Ventilation structure

Abstract

To provide a ventilation vertical flat roofing structure that enables natural ventilation without spoiling advantages of vertical flat roofing.SOLUTION: A ventilation vertical flat roofing structure 1 comprises a ventilation flat roofing 2 and a ventilation ridge 3. The ventilation vertical flat roofing 2 has a projection part 22 formed continuously from an eaves-side end part to a ridge-side end part, and forms a first ventilation path 110 communicating from the eaves to the ridge, with a top surface of a roof substrate and the projection part. The ventilation ridge 3 is fitted covering the ridge-side end part of the ventilation vertical flat roofing. The ventilation ridge 3 has a ventilation port 33 reaching the outside, and forms a second ventilation path 111 communicating from the first ventilation path 110 to the ventilation port 33. The ventilation vertical flat roofing structure 1 can ventilate from the eaves to the ridge through a roof with the first ventilation path 110 and the second ventilation path 111.SELECTED DRAWING: Figure 1

Description

[Technical Field]

[0001] The present invention relates to a ventilation stand structure and a ventilation structure, and more particularly to a ventilation stand structure and a ventilation structure used for roof ventilation. [Background technology]

[0002] Conventionally, metal sheets formed into various shapes have been used as roof materials for houses, etc. For example, Patent Document 1 discloses the use of a concave-convex roof material and also discloses a ventilation structure for the roof structure.

[0003] Another well-known metal roof is the tachihira-buki, which consists of a roofing sheet laid on top of a sheathing board, and then a tachihira roof made of metal sheet material laid on top of that.

[0004] Tatehira-buki roof structures generally have the advantages of being light, requiring short construction times, and being inexpensive. [Prior art documents] [Patent documents]

[0005] [Patent Document 1] Japanese Patent Application Laid-Open No. 2013-174111 Summary of the Invention [Problem to be solved by the invention]

[0006] However, in the past, no particular configurations for natural ventilation have been proposed for vertical roof structures.

[0007] The present invention has been made to solve the above-mentioned problems, and aims to provide a ventilated vertical roof structure that enables natural ventilation without compromising the advantages of vertical roofing. [Means for solving the problem]

[0008] In order to achieve the above-mentioned object, the invention described in claim 1 is a ventilation stand structure to be installed on the roof of a house, which is a stand made of metal plate, has connecting portions formed at both ends of the short side to connect to adjacent stand, and has a convex portion formed between the connecting portions at both ends that continues from the eaves side end to the ridge side end, is installed above the roof underlayment, and forms a first ventilation passage that connects from the eaves side end to the ridge side end with the upper surface of the roof underlayment and the convex portion, and a ventilation ridge that is configured to cover the ridge side end of the ventilation stand and forms a second ventilation passage that connects from the first ventilation passage to the outside.

[0009] With this configuration, a ventilation path is formed on the roof from the eaves to the ridge.

[0010] The invention described in claim 2, in the configuration of the invention described in claim 1, further comprises an eaves ventilation member attached to the eaves portion of the roof underlayment, wherein the convex portion of the ventilation stand is formed a predetermined distance inward from the tip of the eaves, and the ventilation stand is installed so as to protrude outward toward the eaves from the roof underlayment, thereby forming an opening continuing from the first ventilation passage below the protruding convex portion, and the eaves ventilation member has an attachment portion attached between the ventilation stand and the roof underlayment and formed with a ventilation hole communicating with the opening, a hanging portion extending downward from the attachment portion and formed outward from the ventilation hole, and a bottom portion extending diagonally inward and upward from the lower end of the hanging portion relative to the building and having a first ventilation portion consisting of a plurality of openings.

[0011] With this configuration, an entrance to the ventilation passage is formed below the ventilation stand.

[0012] The invention described in claim 3 has the configuration of the invention described in claim 1, and further comprises an eaves ventilation member attached to the eaves portion of the roof underlayment, the convex portion of the ventilation stand being formed a predetermined distance inward from the tip of the eaves, and the ventilation stand being installed so as to protrude outward toward the eaves from the roof underlayment, so that an open portion continuing from the first ventilation passage is formed below the protruding convex portion, and the eaves ventilation member is attached between the ventilation stand and the roof underlayment and comprises an eaves arabesque having an attachment portion formed with a ventilation hole communicating with the open portion, an eaves arabesque extending downward from the attachment portion and formed outward from the ventilation hole toward the building, and an eaves water-repellent material below the attachment portion of the eaves arabesque and having a second ventilation portion communicating with the ventilation hole.

[0013] With this configuration, an entrance to the ventilation passage is formed below the ventilation stand.

[0014] The invention described in claim 4 is the same as the invention described in claim 1, in which the convex portion of the ventilation stand extends continuously to the tip of the eaves side end, forming an opening at the tip, and further includes a decorative cover that is fixed above the eaves side end of the ventilation stand and is arranged to cover the opening while forming a gap between it and the opening.

[0015] With this configuration, the opening of the ventilation stand is difficult to see from the outside.

[0016] The invention described in claim 5, in the configuration of the invention described in claim 1, further comprises a stand that is adjacent to and connected to the ventilation stand on the eaves end side of the ventilation stand and is installed above the roof underlayment at the eaves end of the house, and an eaves water-repellent material that is installed to cover a climbing tree installed above the roof underlayment at the eaves end of the house, the eaves water-repellent material having an outer covering portion that covers the outer surface of the climbing tree, an upper covering portion that continues from the outer covering portion and covers the top surface of the climbing tree, and an inner covering portion that continues from the upper covering portion and covers the inside of the climbing tree, and the stand that is bent upward along the climbing tree at the end on the eaves end side and has a bent portion that is inserted between the climbing tree and the inner covering portion.

[0017] When configured in this manner, the end of the ventilation stand is covered by the eaves water-repellent material.

[0018] The invention described in claim 6, in the configuration of the invention described in claim 1, further comprises a shed joint formed from the roof underlayment and exterior wall underlayment of a house, which is connected adjacent to the ventilation stand on the exterior wall underlayment side of the ventilation stand and is installed above the roof underlayment, and a water-repellent material attached so as to cover the connection from the exterior wall underlayment to the ventilation stand and the shed joint, and the shed joint ventilation stand has a step formed continuously from the eaves side end to the ridge side end on the exterior wall underlayment side, and a third ventilation channel connecting from the eaves to the ridge is formed by the upper surface of the roof underlayment, the step and the exterior wall underlayment, and in the ventilated ridge, the third ventilation channel is connected to the second ventilation channel.

[0019] With this configuration, an air passage is formed from the eaves to the ridge even at the location of the eaves joint.

[0020] The invention described in claim 7, in the configuration of the invention described in claim 1, further comprises an eaves end ventilation stand that is adjacent to and connected to the ventilation stand and is installed above the roof underlayment at the eaves end of the house, and an eaves arabesque that covers the outside of the eaves end of the house, and the eaves end ventilation stand has a step that is formed continuously from the eaves side end to the ridge side end at the eaves end, and a fourth ventilation passage that connects from the eaves to the ridge is formed by the eaves arabesque, the step and the upper surface of the roof underlayment, and at the ventilation ridge, the third ventilation passage is connected to the second ventilation passage.

[0021] With this configuration, an air passage is formed from the eaves to the ridge, even at the edge of the roof ridge.

[0022] The invention described in claim 8 is a configuration of the invention described in claim 1, further comprising an eaves ventilation member attached to the eaves portion of the roof underlayment, wherein the convex portion of the ventilation stand is formed a predetermined distance inward from the tip of the eaves, and the ventilation stand is installed so that it protrudes outward toward the eaves from the roof underlayment, thereby forming an opening portion continuous with the first ventilation passage below the protruding convex portion, and the eaves ventilation member is attached between the ventilation stand and the roof underlayment and has an attachment portion formed with a ventilation hole communicating with the opening portion, and an eaves portion formed at the bottom of the attachment portion and having a first ventilation portion consisting of an opening open to the outside.

[0023] With this configuration, an entrance to the ventilation passage is formed below the ventilation stand.

[0024] The invention described in claim 9, in the configuration of the invention described in claim 1, further comprises a shed joint ventilation stand that is adjacent to and connected to the ventilation stand on the exterior wall substrate side of the ventilation stand at the shed joint formed by the roof substrate and exterior wall substrate of the house, and is installed above the roof substrate, and a rain gutter that is installed to cover the area from the exterior wall substrate to above the shed joint ventilation stand.

[0025] This configuration simplifies construction at the location of the eaves joint.

[0026] The invention described in claim 10 is a ventilation stand structure to be installed on the roof of a house, which is a stand made of metal plate, and has connecting portions formed at both ends of the short side to connect to adjacent stand, and a convex portion formed between the connecting portions at both ends that continues from the eaves side end to the end above the water, and is installed above the roof underlayment and forms a first ventilation passage that connects from the eaves side end to the end above the water with the upper surface of the roof underlayment and the convex portion, and a ventilation device installed at the end above the water side of the ventilation stand and forms a second ventilation passage that connects from the first ventilation passage to the outside.

[0027] With this configuration, an air passage is formed from the eaves to the ventilation device.

[0028] The invention described in claim 11 is the configuration of the invention described in claim 10, in which the end on the water side is located at the girder-direction joint between the wall and roof of the house, and the ventilation device is a ventilation rain gutter configured to cover the side end of the girder-direction joint of the ventilation stand.

[0029] This configuration provides a structure that allows ventilation at the girder-direction joint.

[0030] The invention described in claim 12 is the configuration of the invention described in claim 10, in which a parapet section provided at the top of the roof of the house is located at the end on the water side, and the ventilation device is a parapet ventilation system provided at the parapet section side end of the ventilation stand.

[0031] With this configuration, ventilation is achieved at the parapet section provided at the top of the roof of the house.

[0032] The invention described in claim 13 is a ventilation structure in the parapet section installed at the top of the roof of a house, comprising: rafters extending from the eaves to the roof top, supporting the roof underlayment and forming an attic space together with the roof underlayment; rafter supports installed near the roof top, extending perpendicular to the rafters and supporting the rafters; and a parapet ventilation system installed at the top of the roof, a structure having a space formed inside that connects to the attic space through the spaces between the rafters; a waist wall ventilation member installed on the side of the structure and communicating with the outside; exterior wall material installed outside the structure via furring strips; a fascia cover installed at the top of the structure; and a ventilation member installed in the space formed by the top of the exterior wall material, below the fascia cover and the top of the structure, which ventilates air from the ventilation layer formed through the furring strips to the outside.

[0033] This configuration allows ventilation from the attic space to the outside via a parapet ventilation system installed at the top of the roof. [Effects of the Invention]

[0034] As explained above, the invention described in claim 1 forms an air passage from the eaves to the ridge on a Tatehira-gaki roof, allowing ventilation of the entire Tatehira-gaki roof.

[0035] In addition to the effect of the invention described in claim 1, the invention described in claim 2 has an entrance for the ventilation channel formed on the underside of the ventilation stand, so there is no open area due to the ventilation channel at the eaves, and rainwater etc. cannot get in.

[0036] In addition to the effect of the invention described in claim 1, the invention described in claim 3 has an air passage entrance formed on the underside of the ventilation stand, so there is no open area due to the air passage at the eaves, and rainwater etc. cannot get in.

[0037] The invention described in claim 4 has the effect of the invention described in claim 1, and in addition, the opening of the ventilation stand is difficult to see from the outside, which is preferable in terms of appearance.

[0038] In addition to the effect of the invention of claim 1, the invention of claim 5 has an increased waterproofing effect because the ends of the ventilation stand are covered with the eaves water-repellent material.

[0039] In addition to the effect of the invention described in claim 1, the invention described in claim 6 forms an air passage from the eaves to the ridge even at the location of the eaves joint, thereby improving ventilation performance at the location of the eaves joint.

[0040] In addition to the effect of the invention described in claim 1, the invention described in claim 7 also forms an air passage from the eaves to the ridge at the end of the eaves, thereby improving ventilation performance at the end of the eaves.

[0041] In addition to the effect of the invention described in claim 1, the invention described in claim 8 has an entrance for the ventilation channel formed on the underside of the ventilation stand, so there is no open area due to the ventilation channel at the eaves, and rainwater etc. cannot get in.

[0042] The invention of claim 9 has the effect of the invention of claim 1, and in addition simplifies construction at the location of the eaves joint, allowing for efficient waterproofing treatment.

[0043] In the invention described in claim 10, an air passage is formed from the eaves to the ventilation device, so that the entire roof with standing roofing can be ventilated.

[0044] The invention of claim 11 has the effect of the invention of claim 10, and in addition, the structure provides ventilation at the girder direction joint, thereby improving the ventilation performance at the girder direction joint.

[0045] The invention described in claim 12 has the effect of the invention described in claim 10, and in addition, the structure provides ventilation in the parapet section provided at the top of the roof of the house, thereby improving the ventilation performance at the top of the roof of the house.

[0046] The invention described in claim 13 is a structure that allows ventilation from the attic space to the outside through a parapet ventilation system installed at the top of the roof, thereby improving the ventilation performance of a gable roof with a parapet portion. [Brief explanation of the drawings]

[0047] [Figure 1] 1 is a schematic perspective view of a house equipped with a ventilation vertical structure according to a first embodiment of the present invention. [Figure 2] FIG. 2 is a schematic enlarged cross-sectional view taken along the line II-II shown in FIG. [Figure 3] This is a short-side end view of the ventilation stand. [Figure 4] FIG. 2 is a schematic perspective view showing the configuration of the eaves ventilation member. [Figure 5] FIG. 2 is a schematic enlarged cross-sectional view of the VV line shown in FIG. [Figure 6] FIG. 2 is a schematic enlarged end view of the VI-VI line shown in FIG. [Figure 7] FIG. 2 is a schematic enlarged end view of line VII-VII shown in FIG. [Figure 8] 10 is a schematic enlarged cross-sectional view showing a ventilation vertical-flat structure according to a second embodiment of the present invention, and corresponds to FIG. 2.

[0033] FIG. [Figure 9] FIG. 5 is a schematic exploded perspective view of the eaves ventilation member, corresponding to FIG. 4. [Figure 10] 10 is a schematic enlarged cross-sectional view showing a ventilation vertical-flat structure according to a third embodiment of the present invention, and corresponds to FIG. 8.

[0033] FIG. [Figure 11] FIG. 10 is a schematic enlarged end view showing a ventilation vertical-flat structure according to a fourth embodiment of the present invention, and corresponds to FIG. [Figure 12] FIG. 10 is a schematic enlarged end view showing a ventilation vertical structure according to a fifth embodiment of the present invention. [Figure 13] 10 is a schematic enlarged end view showing a ventilation vertical-flat structure according to a sixth embodiment of the present invention, and corresponds to FIG. 7.

[0033] FIG. [Figure 14] FIG. 13 is a schematic enlarged end view showing a ventilation vertical structure according to a seventh embodiment of the present invention. [Figure 15] FIG. 13 is a schematic enlarged end view showing a ventilation vertical-flat structure according to an eighth embodiment of the present invention. DETAILED DESCRIPTION OF THE INVENTION

[0048] 1 is a schematic perspective view of a house equipped with a ventilation stand structure according to a first embodiment of the present invention. Referring to the figure, the ventilation stand structure 1 installed on the roof of a house 10 includes a ventilation stand 2 made of a metal plate, a ventilation ridge 3 installed to cover the ridge end of the ventilation stand 2, an eaves ventilation member 4 attached to the eaves end of the ventilation stand 2 (the eaves of the house 10), a ridge water flashing member 6 attached to the eaves of the house 10, and a gable wall water flashing member 7 used for the eaves joint.

[0049] First, we will explain the installation of the eaves ventilation member of the ventilation stand structure 1. Figure 2 is a schematic enlarged cross-sectional view of the II-II line shown in Figure 1, Figure 3 is a short-side end view of the ventilation stand, and Figure 4 is a schematic perspective view showing the configuration of the eaves ventilation member.

[0050] Referring to these figures, the eaves side end of the ventilation stand structure 1 is structured to include a ventilation stand 2 installed above the roof underlayment 100 and an eaves ventilation member 4 attached to the eaves portion of the roof underlayment 100.

[0051] The roof underlayment 100 is composed of sheathing boards 102 installed on rafters 103 and roofing 104 attached to the top surface of the sheathing boards 102. In this document, when it is stated that a component is attached above the roof underlayment 100, this also includes the case where the component is attached between the roofing 104 and the sheathing boards 102.

[0052] The ventilation stand 2 has connecting portions 21a and 21b formed at both ends in the short direction to connect to adjacent ventilation stand 2 on the left and right. The connecting portions 21a and 21b are formed in a vertical shape with a narrow portion at the bottom. In other words, the connecting portion 21a is an upper seam and the connecting portion 21b is a lower seam. When the connecting portion 21a is fitted from above into the connecting portion 21b of the adjacent ventilation stand 2, the narrow portions of the connecting portions fit together, connecting the ventilation stand 2 to each other.

[0053] Furthermore, protrusions 22a, 22b are formed between connecting portions 21a, 21b. Protrusions 22a, 22b are formed as convex portions that continue from the eaves side end to the ridge side end (described in detail later), and when ventilation stand 2 is installed above roof underlayment 100, the space surrounded by protrusions 22a, 22b and roof underlayment 100 becomes first ventilation passage 110. The width of intermediate portion 28 between protrusions 22a, 22b is set narrower than the width of protrusions 22a, 22b.

[0054] Furthermore, by installing the ventilation stand 2 so that it protrudes outward from the tip of the eaves (sheathing board 102), an open section 23 is formed under the protrusions 22a, 22b. The ventilation stand 2 is bent toward the house (inward) at the tip portion outward from the open section 23 so as to wrap around the eaves ventilation member 4. Furthermore, sun vanes 26 are attached to the tip portions of the connecting portions 21a, 21b.

[0055] Next, we will explain the eaves ventilation member 4. The eaves ventilation member 4 is made by bending a long metal plate. The eaves ventilation member 4 is attached between the roofing 104 and the sheathing board 102. It has a mounting portion 41 folded back at the tip of the eaves, a hanging portion 43 extending downward from the folded position of the mounting portion 41, and a bottom portion 44 extending from the lower end of the hanging portion 43 toward the exterior wall 101 of the house 10. The mounting portion 41 has ventilation holes 42 consisting of multiple openings between the hanging portion 43 and the tip of the sheathing board 102. The bottom portion 44 has an outer portion 46 extending diagonally upward from the lower end of the hanging portion 43, an inner portion 47 extending horizontally further inward from the outer portion 46, and an intermediate portion 48 formed between the outer portion 46 and the inner portion 47 and extending upward parallel to the hanging portion 43. The outer portion 46 has a first ventilation portion 45 consisting of multiple openings. Above first ventilation section 45, ventilation material 121 that allows ventilation in the vertical direction is attached between hanging part 43 and middle part 48. Buffer material 122 is attached between middle part 48 and outer wall 101 so as to rest on the upper surface of inner part 47, and the gap between the inner end of inner part 47 and outer wall 101 is sealed by sealing 123.

[0056] When the eaves ventilation member 4 is attached to the house 10, the ventilation holes 42 are located directly below the open section 23 and are therefore in communication with the open section 23, and outside air flows from the first ventilation section 45 formed in the bottom 44 of the eaves ventilation member 4 through the open section 23 via the ventilation material 121 and the ventilation holes 42, and into the first air passage 110. In addition, the first air passage 110 cannot be seen from the outside, which is aesthetically pleasing.

[0057] Next, we will explain the ridge installation of the ventilation vertical structure 1. Figure 5 is a schematic enlarged cross-sectional view of the VV line shown in Figure 1. Note that the ridge installation configuration of the ventilation vertical structure 1 shown in Figure 5 is symmetrical with respect to the center line C, so we will mainly refer to the left side of the center line C in the explanation, but the right side has the same configuration.

[0058] Referring to the same figure, the ventilation stand 2 is installed above the roof underlayment 100 so that the ridge side tip of the ventilation stand 2 is located closer to the eaves than the ridge side tip of the roof underlayment 100. The convex portion 22 is formed continuously to the eaves side end. As a result, the first ventilation passage 110 is formed so as to connect the eaves side end of the ventilation stand 2 to the ridge side end of the ventilation stand 2. The ridge side tip of the ventilation stand 2 is raised. A ventilation ridge 3 is attached so as to cover the ridge side end of the ventilation stand 2. At the ridge side end of the ventilation stand 2, a face door material 38 is attached between adjacent connecting portions 21.

[0059] The configuration of the ventilation tower 3 will be described below.

[0060] A water return 35 is attached above the ridge end of the roof underlayment 100, and ventilation material 32 is attached on top of that. The ventilation material 32 consists of an arrangement of multiple truncated cone-shaped resin cones. Furthermore, a wooden underlayment 36 is attached on top of the ventilation material 32. A wooden underlayment 37 is attached on top of the wooden underlayment 36, spanning from the wooden underlayment 36 to the ridge end of the ventilation stand 2, and a ridge body 34 is attached on top of that to cover the wooden underlayment 37. The ridge body 34 has a ventilation opening 33 that leads to the outside. The ridge body 34 is installed spanning the ridge end of the ventilation stand 2, which are located to the left and right of the center line C in Figure 5.

[0061] The ventilation ridge 3 forms a second air passage 111 that runs from the ridge-side end of the first air passage 110 through the ventilation material 32 to the ventilation opening 33 of the ridge main body 34 and is connected to the outside. As a result, outside air that enters from the eaves passes through the first air passage 110 and then through the second air passage 111 to exit through the ventilation opening 33 to the outside. The cones included in the ventilation material 32 support the structure, including the ridge main body 34, which is installed above them, and because there is space between the cones, this is ideal for maintaining ventilation in the first air passage 110.

[0062] Next, we will explain how to install the ventilation vertical structure 1 at the eaves. Figure 6 is a schematic enlarged end view of the VI-VI line shown in Figure 1. Referring to the figure, at the eaves end of the house 10 equipped with the ventilation vertical structure 1, a climbing beam 106 is provided above the roof substrate 100, and a gable board 107 is provided below the roof substrate 100.

[0063] In the case of installation at the eaves, the ventilation vertical structure 1 is a structure comprising a vertical member 9 installed at the position of the eaves end of the house 10, and a eaves water-repellent material 6 and a water-repellent material 67 attached to cover the eaves end of the house 10 from the climbing tree 106 to the gable board 107.

[0064] The stand 9, which is installed at the edge of the eaves, comprises a groove plate 91, a connecting portion 92 formed at one end (connecting side) of the groove plate 91 in the short direction for connecting to the adjacent ventilation stand 2, and a bent portion 94 formed at the other end (edge ​​side end) in the short direction and bent upward along the climbing bar 106. The connecting portion 92 is a bottom seam similar to the connecting portion 21b of the ventilation stand 2 described above. Waterproof tape 66 is stretched to cover from the bent portion 94 to the top surface of the climbing bar 106.

[0065] The following describes the eaves water flashing material 6 and the water flashing material 67.

[0066] The eaves flashing material 6 has an outer covering portion 61 that covers the outer surface of the climbing beam 106 and extends below the underside of the roof underlayment 100 with its lower end folded back inward, an upper covering portion 62 that continues from the upper end of the outer covering portion 61 and covers the upper surface of the climbing beam 106 and further protrudes inward and is folded back, and an inner covering portion 63 that continues from the upper covering portion 62 and covers the inside of the climbing beam 106. The protruding portion of the upper covering portion 62 serves as a flashing. The inner covering portion 63 consists of a hanging piece 64 that hangs down from the upper covering portion 62 along the climbing beam 106 and an inclined piece 65 that is connected to the lower end of the hanging piece 64 and bent away from the climbing beam 106. The inclined piece 65 serves as a flashing or dust cover.

[0067] The water flashing material 67 is configured to contact the outer surface of the gable board 107, the underside of the roof underlayment 100, and the inner surface of the outer covering portion 61 of the eaves water flashing material 6.

[0068] In this way, by inserting the bent portion 94 of the vertical flat 9 between the climbing tree 106 and the waterproof tape 66 and the inner covering portion 63, waterproof performance is improved.

[0069] Next, we will explain the fitting of the eaves joint of the ventilation stand structure 1. Figure 7 is a schematic enlarged end view of the VII-VII line shown in Figure 1. Referring to this figure, in the fitting of the eaves joint, the ventilation stand structure 1 is structured to include a ventilation stand (eaves joint ventilation stand) 95 installed above the roof substrate at the eaves joint, and a gable wall flashing material 7 installed from the exterior wall substrate 108 so as to cover the ventilation stand 95.

[0070] The ventilation stand 95 comprises a connecting portion 96 for connecting to an adjacent ventilation stand 2, a step portion 97 provided adjacent to the connecting portion 96, and a bent portion 98 extending upward along the exterior wall base 108 from the end of the step portion 97 on the exterior wall base 108 side. The connecting portion 96 is a bottom seam similar to the connecting portion 21b of the ventilation stand 2 described above. The step portion 97 is formed continuously from the eaves side end to the ridge side end, similar to the convex portion 22 of the ventilation stand 2 described above. Furthermore, waterproof tape 77 is stretched from the upper end of the bent portion 98 to the exterior wall base 108.

[0071] The space enclosed by the step 97 of the ventilation stand 95, the roof underlayment 100 (roofing 104), and the exterior wall underlayment 108 forms a third ventilation passage 113, similar to the first ventilation passage 110 described with reference to Figures 2 and 5. In addition, a ventilation material 76 is attached between the step 97 of the ventilation stand 95 and the roof underlayment 100 (roofing 104). Similar to the ventilation material 32 described above, the ventilation material 76 is an array of multiple truncated cone-shaped resin cones, which are attached continuously from the eaves end to the ridge end. The cones included in the ventilation material 76 support the step 97, and since there is space between the cones, this is suitable for maintaining ventilation in the third ventilation passage 113.

[0072] The gable wall flashing material 7 is attached so as to cover the waterproof tape 77 of the exterior wall base 108 and the bent portion 98 of the ventilation vertical member 95.

[0073] The gable wall flashing material 7 is formed by bending a metal sheet and has a mounting portion 71 that is attached to the exterior wall substrate 108 with screws so as to cover the upper end of the waterproof tape 77 and the exterior wall substrate 108, a fixed portion 72 that extends from the lower end of the mounting portion 71 parallel to the sheathing board 102 so as to cover the upper part of the ventilation stand 95 and is fixed to the connecting portion 96 of the ventilation stand 95 with fixing brackets 80, and a hanging portion 73 that extends from the fixed portion 72 toward the roof substrate 100. The hanging portion 73 consists of a hanging piece 74 that hangs down from the fixed portion 72 and an inclined piece 75 that is connected to the lower end of the hanging piece 74 and is bent in the opposite direction to the exterior wall substrate 108. The inclined piece 75 serves as a flashing or dust screen. Since an exterior wall material 109 is attached to the outside of the exterior wall base 108, the screws that attach the attachment parts 71 are covered by the exterior wall material 109, and the fixing metal fittings 80 are covered by the hanging parts 73, so they are not visible from the outside and look good.

[0074] Here, the fixing bracket 80 that secures the fixing portion 72 will be described. The fixing bracket 80 is composed of a fixing body 81 configured to surround the connecting portion 96, a bolt 82 for attaching the fixing body 81 to the ventilation stand 95, and a screw 83 for attaching the fixing body 81 to the gable wall flashing 7. The right end of the fixing body 81 in FIG. 7 is inserted into the recess on the right side of the connecting portion 21, and the bolt 82 is attached to the inclined surface located on the left side of the connecting portion 96, and the bolt 82 is inserted into the recess on the left side of the connecting portion 96, thereby securing the fixing body 81 to the ventilation stand 95. The gable wall flashing 7 is placed on the fixing body 81 and the fixing portion 72 is attached to the fixing body 81 with the screw 83, thereby securing the gable wall flashing 7 to the ventilation stand 95. Multiple fixing brackets 80 are used, and the fixing portion 72 is secured at multiple locations along the longitudinal direction of the connecting portion 96.

[0075] As explained above, the ventilation vertical structure 1 can ventilate from the eaves to the ridge at the eaves joint by forming the third air passage 113 from the eaves to the ridge. If the ventilation ridge 3 as described above is installed on the ridge side, the third air passage 113 connects to the second air passage 111, and ventilation can be performed from the ridge to the outside. Therefore, ventilation performance at the eaves joint is improved.

[0076] Figure 8 is a schematic enlarged cross-sectional view showing a ventilation vertical structure according to the second embodiment of the present invention, and is a view corresponding to Figure 2, and Figure 9 is a schematic exploded oblique view of the eaves ventilation member, and is a view corresponding to Figure 4.

[0077] In addition, since the second embodiment is basically the same as the first embodiment, the following description will focus on the differences.

[0078] Referring to these figures, the eaves end of the ventilation vertical structure according to this embodiment is provided with an eaves ventilation member 204 instead of an eaves ventilation member 4. The house to which the eaves ventilation member 204 is attached is formed so that the eaves end tips of the sheathing boards 102 and the eaves end tips of the rafters 103 are aligned.

[0079] The eaves ventilation member 204 includes an eaves arabesque 249 attached to the eaves and an eaves water-repellent material 244 attached directly below the eaves arabesque 249.

[0080] Eaves arabesque 249 has an attachment portion 241 and a hanging portion 243, but does not have a bottom portion 44. Attachment portion 241 has the same overall shape as attachment portion 41, and has rectangular ventilation holes 242 formed in the same area as ventilation holes 42, with their long sides corresponding in the longitudinal direction. Hanging portion 243 extends downward from the folded-back position of attachment portion 241, and its lower end is bent inward.

[0081] Eaves flashing material 244 includes a short piece 245 parallel to hanging portion 243 of eaves edge arabesque 249, a connecting piece 246 parallel to mounting portion 241 and extending from the upper end of short piece 245, and a long piece 247 extending downward from the inner end of connecting piece 246. Connecting piece 246 includes a second ventilation section 248 consisting of multiple openings formed continuously in the longitudinal direction. Long piece 247 is parallel to short piece 245 and extends to the lower end of rafter 103. Eaves flashing material 244 is attached so that short piece 245 contacts hanging portion 243 and connecting piece 246 contacts mounting portion 241. At this time, the areas where ventilation holes 242 of eaves edge arabesque 249 and second ventilation section 248 of eaves edge flashing material 244 are formed overlap vertically.

[0082] When the eaves arabesque 249 and the eaves flashing material 244 are attached to the house 10, the ventilation holes 242 of the eaves arabesque 249 are positioned directly below the opening 23, and the area where the second ventilation section 248 is formed is located below them. When the eaves arabesque 249 and the eaves flashing material 244 are installed, the rectangular ventilation holes 242 of the eaves arabesque 249 include multiple openings of the second ventilation section 248 of the eaves flashing material 244, so one does not block the other even if the alignment is not precise. This ensures a path for outside air to enter the first air passage 110 from the opening 23 via the second ventilation section 248 and the ventilation holes 242.

[0083] FIG. 10 is a schematic enlarged end view showing a ventilation vertical structure according to the third embodiment of the present invention, and corresponds to FIG.

[0084] In addition, since the second embodiment is basically the same as the second embodiment, the following description will focus on the differences.

[0085] Referring to this figure, the ventilation stand structure 1 according to this embodiment does not have a member that communicates with the opening of the convex part of the ventilation stand and guides the ventilation, such as the eaves ventilation member 204. In addition, in the house, the sheathing board 102 is installed so as to protrude outward from the rafters 103.

[0086] In the ventilation vertical structure 1, the convex portion 322 of the ventilation vertical 302 extends continuously to the tip of the eaves side end, and an open portion 323 is formed at this tip. The ventilation vertical structure 1 further includes a decorative cover 5 provided to cover this open portion 323.

[0087] The ventilation vertical structure 1 will be described in more detail below.

[0088] Eaves arabesque 349 and eaves water-repellent material 344 are attached to the lower part of ventilation stand 302. Eaves arabesque 349 comprises an attachment part 341 parallel to the lower part of ventilation stand 302, and a hanging part 343 connected to the inner end of attachment part 341 and extending downward. Eaves water-repellent material 344 has the same overall shape as eaves water-repellent material 244 described above, and comprises short piece 345, connecting piece 346, and long piece 347, but does not have the second ventilation part described above.

[0089] The eaves arabesque 349 is attached below the eaves side end of the ventilation stand 302 so that the attachment part 341 covers the underside of the protrusion 322 and the hanging part 343 contacts the tip of the sheathing board 102.

[0090] Also, ventilation material 326 is attached to the open portion 323. That is, ventilation material 326 is attached between the attachment portion 341 and the roofing 104 and the protrusion 322. The ventilation material 326 is made of a plurality of cones made of resin, similar to the ventilation material 76 described above.

[0091] The eaves edge water-repellent material 344 is attached so that the short piece 345 contacts the inner surface of the hanging part 343 and the connecting piece 346 contacts the underside of the sheathing board 102.

[0092] The decorative cover 5 is made by bending a long metal plate and is attached along the eaves across multiple adjacent ventilation stand 302. The decorative cover 5 comprises a flat portion 51, a cover portion 52 connected to the eaves-side tip of the flat portion 51 and extending diagonally downward outward to shield the open portion 323 while forming a gap between it and the open portion 323, and an inclined portion 53 connected to the ridge-side tip of the flat portion 51. The inclined portion 53 is inclined from the flat portion 51 toward the upper surface of the convex portion 322 of the ventilation stand 302, and has a notch so as not to come into contact with the connecting portion 321 of the ventilation stand 302.

[0093] The decorative cover 5 is attached to the ventilation stand 302 as follows: The fixing bracket 80 as described above is attached to the connecting portion 321 of the ventilation stand 302, the flat portion 51 of the decorative cover 5 is placed above this fixing bracket 80, and the flat portion 51 is fixed to the fixing bracket 80 with screws or the like.

[0094] With the above-described configuration, outside air enters the first air passage 110 through the ventilation material 326 from the opening 323 formed at the tip of the eaves-side end.

[0095] By providing the decorative cover 5 at the eaves, the open portion 323 is less visible, which is preferable in appearance and also blocks wind and rain from outside.

[0096] FIG. 11 is a schematic enlarged end view showing a ventilation vertical-flat structure according to the fourth embodiment of the present invention, and corresponds to FIG.

[0097] In addition, since the second embodiment is basically the same as the first embodiment, the following description will focus on the differences.

[0098] Referring to this figure, the ventilation vertical structure 1 according to this embodiment is provided with a ridge arabesque 406 instead of a ridge water-repellent material 6. In addition, in a house to which the ridge arabesque 406 is attached, no climbing tree 106 is provided at the ridge end.

[0099] The ventilation stand structure 1 is a structure including a ventilation stand (a ventilation stand at the eaves end) 400 installed at the position of the eaves end of the house 10, and an eaves arabesque 406 covering the outside of the eaves end.

[0100] The eaves arabesque 406 comprises an upper covering portion 462 that covers the upper surface of the ventilation material 468 and protrudes outward from the eaves end and is folded back, and an outer covering portion 461 that is connected to the upper covering portion 462 and extends downward along the side of the sheathing board 102, extending below the underside of the sheathing board 102.

[0101] The ventilation stand 400 comprises, in order from one end (connecting side) in the short direction, a connecting portion 401 for connecting to an adjacent ventilation stand, a convex portion 402 provided adjacent to the connecting portion 401, an intermediate portion 403 provided adjacent to the convex portion 402, and a step portion 404 provided adjacent to the intermediate portion 403.

[0102] The connecting portion 401 is the same as the above-mentioned connecting portion 92. The convex portion 402 and the middle portion 403 are the same as the convex portion and the middle portion of the ventilation stand 2 described above.

[0103] The step portion 404 is basically the same as the convex portion of the ventilation stand 2 described above, but below it, above the roof underlayment 100, a ventilation material 468 similar to the ventilation material 76 is provided from the eaves side end to the ridge side end. In addition, the eaves side end of the step portion 404 extends outward and is formed so as to wrap around the protruding portion of the upper covering portion 462 of the eaves arabesque 406.

[0104] With the above configuration, the space surrounded by the eaves arabesque 406, the roof underlayment 100 and the step portion 404 of the ventilation vertical board 400 forms a fourth ventilation passage 114 that runs from the eaves side end to the ridge side end.

[0105] In addition, a ventilation material 468 is provided from the eaves side end to the ridge side end, and is structured to support the step portion 404 without blocking the fourth ventilation passage 114.

[0106] As explained above, the ventilation vertical structure 1 can ventilate from the eaves to the ridge by forming the fourth air passage 114 from the eaves to the ridge at the ridge end. If the ventilation ridge 3 as described above is installed on the ridge side, the fourth air passage 114 connects to the second air passage 111, and ventilation can be performed from the ridge to the outside. Therefore, ventilation performance at the eaves end is improved.

[0107] In the first embodiment, the ventilation stand structure 1 is said to be equipped with a ventilation stand 2, a ventilation ridge 3, an eaves ventilation member 4, a gable water flashing material 6, and a gable wall water flashing material 7, but it is sufficient if it is equipped with at least the ventilation stand 2 and the ventilation ridge 3.

[0108] Furthermore, in each of the above embodiments, the ventilation material 32 is provided between the water return 35 and the wooden base 36, but it may also be provided between the wooden base 36 and the wooden base 37.

[0109] Furthermore, in each of the above embodiments, the ventilation vertical structure 1 has been described as being installed on a double-sided sheave roof, but this is not limited thereto, and it can also be installed on a single-sided sheave roof. When installing on a single-sided sheave roof, the ventilation ridge of the ventilation vertical structure 1 described using Figure 5 can be changed to one for a single-sided sheave roof, and the structure on either side of the center line C can be adopted.

[0110] Furthermore, in the above embodiments, the ventilation stand has been described as having two convex portions formed thereon, but the convex portions may be formed in one place or in three or more places. It is sufficient that a ventilation path is formed that runs from the eaves end to the ridge end.

[0111] Furthermore, in the first embodiment, no convex portion is provided on the ventilation stand 2, but a configuration in which a convex portion is provided may also be adopted.

[0112] Furthermore, in the second embodiment, the ventilation hole 242 is a rectangle parallel to the eaves, and the second ventilation section 248 is made up of multiple openings, but the opposite configuration may be used, where a ventilation section made up of multiple openings is provided in the eaves arabesque 249, and a rectangular ventilation hole parallel to the eaves is provided in the eaves water-repellent material 244. Also, the ventilation hole and the opening of the ventilation section may have other shapes, as long as they are different shapes so that the ventilation hole is not blocked when the eaves arabesque 249 and the eaves water-repellent material 244 are attached to the house.

[0113] Furthermore, although the mounting portion 241 of the eaves arabesque 249 in the second embodiment is flat, it may be stepped. If the steps are formed by bending the mounting portion 241 downward and upward at two locations parallel to the longitudinal direction, protruding from the sheathing board 102, the folded-back portion of the mounting portion 241 will be positioned lower than the upper surface of the sheathing board 102. This creates a space between the mounting portion 241 at the stepped position and the ventilation stand 2, making it more difficult for rainwater to enter.

[0114] FIG. 12 is a schematic enlarged end view showing a ventilation vertical structure according to the fifth embodiment of the present invention.

[0115] The fifth embodiment is basically the same as the first embodiment, so the following explanation will focus on the differences. The first embodiment relates to a ventilation ridge installed on the ridge of the ventilation vertical structural body 1, but the fifth embodiment relates to a ventilation flashing installed in the girder direction at the eaves joint of the ventilation vertical structural body 1.

[0116] Referring to the same figure, the ventilation rain gutter 140 in this ventilation stand structure 1 is installed at the joint between the exterior wall underlayment 108 and the roof underlayment 100 in the girder direction (hereinafter referred to as the ``girder direction joint''), and is configured to cover the side end of the girder direction joint of the ventilation stand 2.

[0117] The fitting of the ventilation flashing 140 will be explained below. At the end of the ventilation flashing 2 on the side of the joint in the girder direction, a panel material 138 is attached between the adjacent connecting parts 21.

[0118] A gutter 141 is attached above the end of the girder-direction joint on the roof underlayment 100, and ventilation material 132 is attached on top of it so that it partially overlaps it. The ventilation material 132 consists of an arrangement of multiple truncated cone-shaped resin cones. Furthermore, a wooden underlayment 136 is attached on top of the ventilation material 132. A wooden underlayment 137 is attached on top of the wooden underlayment 136, extending on both the abovewater and belowwater sides of the wooden underlayment 136. An apron panel 139 is fixed with screws 134 to the belowwater end of the wooden underlayment 137, and a ventilation flashing 140 is attached on top of the wooden underlayment 137 so as to cover the girder-direction joint.

[0119] The configuration of the ventilation flashing 140 will now be described.

[0120] More specifically, the ventilation flashing 140 comprises a fixing portion 142 that is sandwiched between the furring strip 135 and the exterior wall base 108 and is fixed to the exterior wall base 108 with screws or the like; an upper cover portion 143 that extends diagonally downward and outward from the lower end of the fixing portion 142 and has ventilation holes 144 formed therein; a front cover portion 147 that extends downward from the lower end of the upper cover portion 143 to cover the apron surface door material 139; a lower base portion 145 that is provided below the upper cover portion 143 and placed on the wooden base 137; ventilation material 146 that is sandwiched between the underside of the upper cover portion 143 and the upper surface of the lower base portion 145 and is configured to allow ventilation between the ventilation holes 144 side and the interior of the building; and a bush pin 148 that fixes the ventilation flashing 140 to the wooden base 137.

[0121] In the ventilation vertical-flat structure 1, a second ventilation path 152 is formed, which passes from the end of the first ventilation path 110 on the side of the girder-direction joint, passes through the ventilation material 32, passes through the ventilation material 146, and is connected to the outside through the ventilation hole 144. As a result, outside air entering from the eaves passes through the first ventilation path 110, then passes through the ventilation material 132 and the second ventilation path 152, and further passes through the ventilation material 146, and exits to the outside through the ventilation hole 144.

[0122] Furthermore, since an opening is provided between the exterior wall underlayment 108 and the roof underlayment 100, air from the attic also passes through the third air passage 153 formed in this opening, and then passes through the ventilation material 146 and exits to the outside through the ventilation hole 144.

[0123] This construction allows ventilation of the entire roof, as well as the attic, since an air passage is formed in the roof up to the girder joint.

[0124] FIG. 13 is a schematic enlarged end view showing a ventilation vertical-flat structure according to the sixth embodiment of the present invention, and corresponds to FIG.

[0125] In the explanation, the difference will be mainly explained since it is basically the same as the first embodiment. In the fitting of the eaves joint of the first embodiment, the bent portion 98 of the ventilation stand 95 is configured to extend upward along the exterior wall substrate 108, but in the ventilation stand structure 1 according to the sixth embodiment, the bent portion is configured to be attached to the wooden substrate.

[0126] Referring to the same figure, the ventilation stand (siding joint ventilation stand) 155 is provided at one end on the side of the adjacent ventilation stand 2 and includes a connecting portion 156 for connecting to the adjacent ventilation stand 2, and a bent portion 98 extending upward from the other end on the side of the exterior wall base 108. The connecting portion 156 is a bottom seam similar to the connecting portion 21b of the ventilation stand 2 described above.

[0127] Flashing 170 is attached so as to cover the area from exterior wall base 108 to the upper part of connecting portion 156. Specifically, flashing 170 includes a fixing portion 171 that is fixed to exterior wall base 108 with screws 165, a cover portion 172 that extends diagonally downward from the lower end of fixing portion 171 toward connecting portion 156, and a hem portion 173 that extends downward from the lower end of cover portion 172 so as to cover the upper part of connecting portion 156.

[0128] During construction, first, the base board 159 is attached to the roof underlayment 100 in a predetermined position. Next, the other end of the ventilation stand 155, which is on the exterior wall underlayment 108 side, is raised along the base board 159 to form a bent portion 98, and the bent portion 98 is fixed to the base board 159 with a screw 160. Next, a base board 161, which extends toward the connecting portion 156 side in the width direction (left and right direction in the drawing) beyond the base board 159, is attached on top of the base board 159, and an apron panel door 162 is fixed to the end of this base board 161 on the connecting portion 156 side with a screw 163. Next, a base board 164 of the same width as the base board 161 is attached on top of the base board 161. Then, the flashing 170 is attached to the exterior wall base 108 so as to cover the upper part of the connecting portion 156, the fixing portion 171 is fixed to the exterior wall base 108 with a screw 165, and the bottom portion 173 is fixed to the base wood 164 with a screw 166.

[0129] This configuration allows for installation without using metal fittings, reducing the number of parts. Also, the screws 163 that secure the apron panel 162 to the base wood 161 and the screws 166 that secure the flashing 170 to the base wood 164 are fastened horizontally, reducing the risk of water intrusion.

[0130] FIG. 14 is a schematic enlarged end view showing a ventilation vertical structure according to the seventh embodiment of the present invention.

[0131] In addition, since the seventh embodiment is basically the same as the first embodiment, the following explanation will be focused on the differences. The first embodiment relates to a ventilation ridge installed on the ridge of the ventilation vertical structure 1, but the seventh embodiment relates to a parapet part installed on the top of the roof of a house.

[0132] Referring to the same figure, the parapet section 180 provided at the top of the roof of the house comprises a roof underlayment 100 extending from the eaves to the roof top, a ventilation stand 2 installed above the roof underlayment 100, rafters 181 extending from the eaves to the roof top and supporting the roof underlayment 100, rafter supports 182 extending in a direction perpendicular to the rafters 181 and supporting the rafters 181, and a parapet ventilation system 190 provided at the top of the roof at the parapet section 180 side end of the ventilation stand 2.

[0133] The joint between the parapet portion 180 and the roof will be explained below.

[0134] A wooden base 183 extending to the downstream side of the wooden base 36 is attached on top of the wooden base 136, and an apron panel 184 is fixed to the downstream end of the wooden base 183 with screws, etc. Also, a flashing gutter 185 is basically the same as that explained using Figure 14, but is installed so as to cover the area from the parapet ventilation system 190 side to the roof top side of the ventilation stand 2.

[0135] Next, the parapet ventilation system 190 will be described as follows. The parapet ventilation system 190 is for efficiently ventilating the air inside the parapet to the outside.

[0136] Specifically, the parapet ventilation system 190 comprises a body 192 composed of a pair of exterior wall base materials 191a, 191b which are ceramic siding and which has a space S formed inside; waist wall ventilation members 193a, 193b which are provided in the middle of the pair of exterior wall base materials 191a, 191b in the vertical direction, i.e., on the sides of the body 192, and which communicate with the outside of the body 192; exterior wall materials 195a, 195b which are respectively installed outside the body 192 via furring strips 194a, 194b; a fascia cover 198 which is installed on the top edge 192a of the body 192 via a seat sheet 196 and a cushioning material 197; and ventilation members 199a, 199b which are installed in the space formed by the upper parts of the exterior wall materials 195a, 195b, the lower part of the fascia cover 198, and the upper part of the body 192.

[0137] The technology disclosed in Japanese Patent Application Laid-Open No. 2018-127883, "Coping Structure and Ventilation Member," can be adopted for the ventilation structure under the coping of such a parapet ventilation system 190. Furthermore, the technology disclosed in Japanese Patent Application Laid-Open No. 2016-89487, "Exterior Wall Ventilation Structure, Under-Coping Ventilation Structure, and Construction Method of Exterior Wall Ventilation Structure," can be adopted for the waist wall ventilation members 193a, 193b, and 200.

[0138] The exterior wall base material 191a, furring strips 194a, and exterior wall material 195a extend continuously from the bottom of the house.

[0139] On the other hand, since a roof is formed on the side of the exterior wall base material 191b, furring strips 194b, and exterior wall material 195b, the exterior wall base material 191b, furring strips 194b, and exterior wall material 195b are set to sizes that assume they will fit into the roof.

[0140] In addition, in the parapet ventilation system 190, a waist wall ventilation member 200 is installed at the lower end of the exterior wall base material 191b, thereby forming a second ventilation path 201 that connects the space S with the first ventilation path 110 on the ventilation stand 2 side.

[0141] The effects of this configuration are as follows.

[0142] First, as described above, the parapet ventilation system 190 is connected to the first air passage 110, and therefore air from the first air passage 110 can be ventilated to the outside. Specifically, the first air passage 110 is connected to the parapet ventilation system 190 via the ventilation material 132. In addition, the waist wall ventilation member 200 forms a second air passage 201, which connects the first air passage 110 to the space S inside the skeleton 192. In addition, in the space S, air can flow upward as indicated by the solid arrow 202. Ventilation layers 205a, 205b are formed between exterior wall base materials 191a, 191b and exterior wall materials 195a, 195b via furring strips 194a, 194b, respectively. This allows air to flow from space S through waist wall ventilation members 193a, 193b to ventilation layers 205a, 205b, forming third ventilation channels 203a, 203b. Fourth ventilation channels 206a, 206b are formed from ventilation layers 205a, 205b, connecting to the outside via ventilation members 199a, 199b, respectively. In this way, first ventilation channel 110, second ventilation channel 201, third ventilation channels 203a, 203b, and fourth ventilation channels 206a, 206b are connected in series, allowing air under the eaves to be efficiently ventilated to the outside through parapet ventilation system 190 installed at the top of the roof.

[0143] The top end 181a of the rafter 181 extends beyond the position of the rafter support 182 provided below one exterior wall (the side where the exterior wall base material 191b is installed) to the other exterior wall on the opposite side (the side where the exterior wall base material 191a is installed). The effects of this configuration are as follows.

[0144] In the past, there were structures that were sized to the position of the rafter support 182, and the exterior wall on the roof side extended downward to the rafter support 182. In such a structure, there was a risk that ventilation in the attic K would not be sufficient.

[0145] With the above configuration, the rafters 181 extend to the other exterior wall, allowing air in the attic K to move to below the parapet in the direction of arrow 206 through the spaces between the rafters 181. In addition, the air that has moved to below the parapet can be ventilated to the outside through the parapet ventilation system 190 above.

[0146] FIG. 15 is a schematic enlarged end view showing a ventilation vertical structure according to the eighth embodiment of the present invention.

[0147] In the following explanation, the differences will be mainly explained since the seventh embodiment is basically the same as the seventh embodiment. In the seventh embodiment, the first ventilation passage is connected to the space inside the building frame, but in the eighth embodiment, the first ventilation passage is connected to the ventilation layer on the roof side.

[0148] Referring to the same figure, first, at the lower end of the exterior wall base material 191b, instead of a waist wall ventilation member 200 being installed, it extends to the level of the roof base material 100, and the lower end of the exterior wall base material 191b abuts against the roof base material 100.

[0149] Additionally, the flashing 186 has a spacer 187 formed at the fixing portion where it is fixed to the exterior wall base material 191b. That is, the spacer 187 is formed by providing a step of a size that allows it to be inserted between the exterior wall base material 191b and the exterior wall material 195b, and this step has a through-hole formed in it. With this configuration, the first ventilation passage 110 on the ventilation stand 2 side communicates with the ventilation layer 205b. This allows air from the eaves to be efficiently ventilated to the outside through the parapet ventilation system 190 installed at the top of the roof.

[0150] In the above embodiments, a ventilation vertical structure having a specific shape has been described, but this is not limited to this. For example, the eaves ventilation member has a hanging portion and a bottom portion, and the bottom portion has the first ventilation portion, but this is not limited to this. The first ventilation portion may be provided in the hanging portion rather than the bottom portion. Furthermore, the portion of the eaves ventilation member having the first ventilation portion may have a different shape. The eaves ventilation member may have an eaves portion having a first ventilation portion formed below the mounting portion and consisting of an opening open to the outside.

[0151] Furthermore, in the seventh and eighth embodiments, a ventilated vertical roof is used as the roof material, but other types of roof material such as a slate roof may also be used.

[0152] Furthermore, in the above-mentioned embodiments, specific ventilation devices such as a ventilation ridge, ventilation flashing, and parapet ventilation system are described for the top of the roof on the water side or the junction between the top of the roof on the water side and a wall, but the invention is not limited to these. Any ventilation device can be used as long as it is installed at the end of the ventilation stand on the water side and forms a second ventilation passage that connects the first ventilation passage to the outside.

[0153] Furthermore, in the seventh and eighth embodiments, the parapet ventilation system has been described as being connected to the first air passage in a specific manner, but the present invention is not limited to this.

[0154] Furthermore, in the seventh and eighth embodiments, the ventilation layers are provided on both sides of the body, but this is not limiting, and the ventilation layer may be provided on only one side.

[0155] Furthermore, in the seventh and eighth embodiments, the rafters extend beyond the rafter holders to the other exterior wall side, but this is not limited thereto, and the rafters may be set to a size that extends to the rafter holders. Also, the position of the rafter holders may be closer to the other exterior wall side or on the downstream side. [Explanation of symbols]

[0156] 1...Ventilated vertical structure 2…Vent vertical 3...Ventilation building 4...Eaves ventilation element 6...Water-repellent material for eaves 7... Gable wall drainage material 21...Connection part 22a, 22b...Convex parts 23...Open part 32...Ventilation material 42...Ventilation hole 110...First ventilation channel 111...Second ventilation channel 140...Ventilation rainproofing 170...Rain gutter 190...Parapet ventilation system In addition, the same reference numerals in each drawing indicate the same or corresponding parts.

Claims

1. A ventilation structure in a parapet section provided at the top of a roof of a house, Rafters extending from the eaves to the roof peak, supporting the roof underlayment, and forming an attic space together with the roof underlayment; a rafter support provided near the roof apex, extending in a direction perpendicular to the rafters and supporting the rafters; a parapet ventilation system provided in the parapet section, The parapet ventilation system includes: A structure with an internal space, a waist wall ventilation member provided on a side of the skeleton and communicating the space inside the skeleton with the outside of the skeleton; An exterior wall material installed outside the body via a furring strip; A ventilation layer formed between the skeleton and the exterior wall material via the furring strip; A capping cover installed at the top end of the body; a ventilation member that is installed in a space formed by an upper portion of the exterior wall material, a lower portion of the coping cover, and an upper portion of the skeleton, and that ventilates air from the ventilation layer to the outside; The rafters extend from one side of the frame to the other side below the parapet, The attic space is connected to the space inside the parapet through the rafters. Ventilation structure.

2. The roof structure further comprises a ventilation stand installed on the roof substrate, and a rain gutter installed to cover the space between the roof top side of the ventilation stand and the parapet portion, The air in the first ventilation passage formed between the ventilation stand and the roof substrate is ventilated to the outside through the rain flashing. The ventilated structure of claim 1.

3. Further comprising a second waist wall ventilation member installed at the lower end of the body, The ventilation structure according to claim 2 , wherein the space inside the body communicates with the first ventilation passage through the second waist wall ventilation member.

4. A ventilation structure as described in claim 2, wherein the rain gutter has a portion that is inserted into the ventilation layer, and a through hole is formed in this portion to connect the ventilation layer to the first ventilation path.

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