Connection member for outer wall material

Abstract

To provide a connection member for outer wall material in low cost, with easiness and high durability.SOLUTION: A connection member is provided with: a coated part 2; a partition plate part 3 of which one side end is connected on the coated part 2; and a clamping plate part 4 extending from the other side end of the partition plate part 3 in a vertical direction, wherein a folded part 5 is arranged at one side end part of the coated part 2.SELECTED DRAWING: Figure 6

Description

[Technical field]

[0001] The present invention relates to a member for joining adjacent exterior wall materials on the left and right sides that constitute the exterior wall of a building. [Background technology]

[0002] The exterior walls of buildings are constructed by joining multiple plate-shaped exterior wall materials vertically and horizontally. It is said that exterior wall materials expand or contract due to weather conditions such as outside air temperature, hours of sunlight, rainwater, and wind, as well as deterioration over time. For this reason, exterior wall materials have traditionally been joined by leaving gaps of about 10 mm between adjacent exterior wall materials vertically and horizontally, called joints. Here, the joints between vertically adjacent exterior wall materials extend horizontally and are therefore called horizontal joints, while the joints between horizontally adjacent exterior wall materials extend vertically and are therefore sometimes called vertical joints. The joining member of the present invention is a member that is placed in a portion that corresponds to a vertical joint.

[0003] For example, Patent Document 1 discloses a vertical joint waterproof connection structure for exterior wall materials, characterized in that a wall base waterproof sheet is affixed to the side of a column, and an adhesive waterproof sheet, the both widthwise ends of which are folded back toward the outer surface of the wall at a position narrower than the side of the column, is affixed vertically to cover the outer surface of the column on the base waterproof sheet at a position corresponding to the side of the column, wall panels forming the outer surface of the wall are butted against the surface of the adhesive waterproof sheet, the wall panels are nailed to the side of the column outside the adhesive waterproof sheet, and joint-like grooves with a non-adhesive layer formed on the bottom surface are formed at the joint surfaces between the wall panels, and the joint-like grooves are filled with an elastic sealant that seals between the end faces of the wall panels.

[0004] Patent Document 1 relates to a structure for preventing water from seeping in through vertical joints, and as one waterproofing measure, a sealant is filled into the exterior surface of the vertical joints. Note that, not limited to Patent Document 1, applying a sealant to the exterior surface of a joint for the purpose of waterproofing has been widely practiced for a long time.

[0005] However, sealants have poor durability, and the manufacturer's warranty period for sealants is generally set at around three years. Even if they last longer than that, they only last around seven to ten years at most, which is significantly shorter than the durability of the building itself. [Prior art documents] [Patent documents]

[0006] [Patent Document 1] Japanese Patent Application Publication No. 8-093086 Summary of the Invention [Problem to be solved by the invention]

[0007] As mentioned above, because of the risk of expansion and contraction of exterior wall materials, conventionally, adjacent exterior wall materials are joined together with a specified gap, for example, a joint of about 10 mm, but the inventor has found from his experience that even if the exterior wall materials are found to expand or contract, the amount of expansion or contraction is extremely minor, so that joining exterior wall materials together without leaving a large joint gap of about 10 mm will not affect the function or appearance of the exterior wall of a building. Based on this knowledge, the present invention aims to provide a joining member for exterior wall materials that is inexpensive, easy to use, and highly durable. [Means for solving the problem]

[0008] The first aspect of the present invention is a joining member (1) for an exterior wall material, which comprises a covering portion (2), a partition plate portion (3) having one side end connected to the covering portion (2), and a clamping plate portion (4) extending vertically from the other side end of the partition plate portion (3), and is characterized in that a fold-back portion (5) is provided at one side end of the covering portion (2).

[0009] A joint member (1) for exterior building materials according to a second aspect of the present invention is characterized in that the exterior building material is a ceramic siding, and the joint member (1) is an exterior member.

[0010] The third aspect of the present invention is a joint member (1A) for an exterior wall material, characterized in that the covering portion (2) is approximately flat, and the partition plate portion (3) is connected to the widthwise center position of the covering portion (2) in a vertical direction.

[0011] The fourth aspect of the present invention is a joint member (1B) for an exterior wall material, characterized in that the covering portion (2) has a shape formed by folding an approximately flat plate in a mountain shape, and the partition plate portion (3) is connected perpendicularly to the side of the covering portion (2) on which the folded portion (5) is not provided.

[0012] The fifth aspect of the present invention, a joint member (1C) for an exterior wall material, is characterized in that the covering portion (2) has a shape formed by folding a substantially flat plate in a valley, and the partition plate portion (3) is connected to the bottom of the valley fold of the covering portion (2) perpendicular to the side of the covering portion (2) on which the folded-back portion (5) is not provided. Effect of the Invention

[0013] According to the first aspect of the present invention, since the covering portion covers the vertical joint portion, the sealant is not exposed to the vertical joint, it is possible to prevent deterioration of the waterproofing and aesthetic appearance of the building due to deterioration of the sealant for a long period of time. In addition, because adjacent exterior wall materials on the left and right are joined via the partition plate, there is no need to leave a large 10mm gap for joints as in the past, which makes it possible to prevent problems such as a decrease in the fixing strength between the exterior wall material and the column / base material or the exterior wall material cracking due to the fixing devices for fixing the exterior wall material to the column being too close to the edge of the column or the base material placed between the column and the exterior wall material, or the fixing devices being too close to the edge of the exterior wall material. In addition, by providing a folded portion in the covering portion, the strength of the joining member of the present invention is improved, and even if rainwater infiltrates from the folded portion side, the thickness of the folded portion makes it possible to guide the infiltrating water downward and drain it.

[0014] According to the second aspect of the present invention, since the exterior wall material is a ceramic siding and the joining members are exterior members, it is possible to prevent rainwater from entering the interior of the building and to prevent deterioration of the aesthetic appearance of the joining members for a long period of time, even in poor and harsh environments exposed to sunlight, rainwater, etc.

[0015] According to the third aspect of the present invention, the above-mentioned effects of the present invention can be effectively exerted between exterior building materials that are adjacent to each other on the left and right on the same plane.

[0016] According to the fourth aspect of the present invention, the above-mentioned effects of the present invention can be effectively exerted between exterior building materials adjacent to the left and right of a projected corner portion.

[0017] According to the fifth aspect of the present invention, the above-mentioned effects of the present invention can be effectively exerted between exterior building materials adjacent to the left and right of an inside corner portion. [Brief description of the drawings]

[0018] [Figure 1] 1A to 1C are diagrams illustrating an example of use of a joint member according to a first embodiment of the present invention. [Diagram 2] 11A to 11C are diagrams illustrating an example of use of a joining member according to a second embodiment of the present invention. [Diagram 3] 13A to 13C are diagrams illustrating an example of use of a joint member according to a third embodiment of the present invention. [Figure 4] 1A and 1B are a front view and a rear view, respectively, showing an example of a joining member according to a first embodiment of the present invention. [Diagram 5] FIG. 2 is an enlarged plan view showing an example of a joining member according to the first embodiment of the present invention. [Figure 6] FIG. 2 is a schematic diagram showing an example of a construction example of a joint member according to the first embodiment of the present invention. [Figure 7] 11A and 11B are a front view and a rear view, respectively, showing an example of a joining member according to a second embodiment of the present invention. [Figure 8] FIG. 11 is an enlarged plan view showing an example of a joining member according to a second embodiment of the present invention. [Figure 9]FIG. 11 is a schematic diagram showing an example of a construction example of a joint member according to a second embodiment of the present invention. [Figure 10] 13A and 13B are a front view and a rear view, respectively, showing an example of a joining member according to a third embodiment of the present invention. [Figure 11] FIG. 11 is an enlarged plan view showing an example of a joining member according to a third embodiment of the present invention. [Figure 12] FIG. 11 is a schematic diagram showing an example of a construction example of a joint member according to a third embodiment of the present invention. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0019] Hereinafter, an embodiment of the present invention will be described with reference to the drawings.

[0020] 1 to 3 are diagrams showing examples of use of a joint member 1 for exterior building materials according to the present invention. Although only two exterior wall materials 6, one on the left and one on the right, are shown in Figs. 1 to 3, a plurality of exterior wall materials 6 are usually joined together vertically and horizontally to form the exterior wall of a building. A joining member 1 for exterior building materials according to the present invention is a member for joining exterior building materials 6 adjacent to each other on the left and right, as shown in Figs. FIG. 1 is a diagram showing an example of the use of a joining member 1A according to a first embodiment of the present invention, and shows an example of the use of a joining member 1A arranged between two adjacent exterior wall materials 6 on the same surface. FIG. 2 is a diagram showing an example of a use of a joining member 1B according to the second embodiment of the present invention, and shows an example of a use of a joining member 1B arranged between two exterior wall materials 6 adjacent to the left and right of a protruding corner portion. FIG. 3 is a diagram showing an example of a use of a joining member 1C according to the third embodiment of the present invention, and shows an example of a use of a joining member 1C arranged between two exterior wall materials 6 adjacent to the left and right of an inside corner portion.

[0021] Figures 4 and 5 are diagrams showing an example of a use of an example of a joining member 1A according to a first embodiment of the present invention, Figures 7 and 8 are diagrams showing an example of a use of an example of a joining member 1B according to a second embodiment of the present invention, and Figures 10 and 11 are diagrams showing an example of a use of an example of a joining member 1C according to a third embodiment of the present invention.

[0022] As shown in Figures 4, 5, 7, 8, 10 and 11, the joining member 1 comprises a covering portion 2, a partition plate portion 3 having one end connected to the covering portion 2, and a clamping plate portion 4 extending vertically from the other end of the partition plate portion 3, and a folded-back portion 5 is provided at one end of the covering portion 2.

[0023] 5, 8 and 11, the joining member 1 is a long member manufactured by bending, for example, one or more plate-shaped members made of metal, resin, or a combination of metal and resin, although it is not particularly limited thereto. As the plate-shaped member, it is desirable to use an extremely thin plate having a thickness of less than 1 mm. In this way, the joining member 1 can be manufactured by bending, for example, a long thin plate, and therefore can be provided inexpensively and easily. It is preferable to use an aluminum-zinc alloy plated steel sheet, specifically a "Galvalume Steel Sheet" (registered trademark), as the material for the joining member 1. This improves the durability of the joining member 1, and makes it possible to use the joining member 1 for, for example, about 15 to 20 years without deterioration in function or aesthetics.

[0024] 1 to 3, the joining member 1 joins two adjacent exterior wall materials 6 on the left and right, in other words, covers the vertical joint between the two adjacent exterior wall materials 6 on the left and right. Conventionally, a sealant with poor durability was exposed on the exterior surface of the vertical joint, but since the covering part 2 of the joining member 1, which is preferably made of, for example, an aluminum-zinc alloy plated steel sheet or the like, covers the vertical joint, the function and aesthetics of the joining member 1, specifically the covering part 2, do not deteriorate over a long period of time.

[0025] 6, 9, and 12, the joint member 1 is attached by fixing members 9 such as nails to a pillar 7 constituting a building structure and a base material 8, also called a blank, provided on the pillar 7. Then, two exterior wall materials 6 adjacent to each other on the left and right are joined together with the partition plate portion 3 of the joint member 1 sandwiched therebetween.

[0026] L1 (dotted line portion) in FIG. 6 is the length in the width direction of the base material 8, which is generally set to 90 mm according to standards. On the other hand, it has been recommended in the past that the gap between adjacent exterior wall materials 6 on the left and right, i.e., the width of the vertical joint, be set to about 10 mm. Therefore, in the past, in order to fix the left and right exterior wall materials 6 to the base material 8 with the fixing members 9, it was necessary to fix them to the 40 mm-wide portions of the base material 8 remaining on the left and right. Here, when nails are used as the fixing members 9, if the nails are driven too close to the end of the joint side of the exterior wall material 6, the end portion of the exterior wall material 6 may crack and break, and conversely, if the nails are driven closer to the center of the exterior wall material 6, the nails will be driven toward the end of the base material 8, which has the disadvantage of reducing the fixing by the nails, i.e., the holding power. In contrast, the joining member 1 of the exterior wall material of the present invention, i.e., the partition plate portion 3, is made of an extremely thin plate, for example less than 1 mm in thickness, and the partition plate portion 3 and each of the left and right exterior wall materials 6 can be joined with a gap of, for example, about 1 to 2 mm, more preferably about 1.5 mm. Therefore, the width of the vertical joint in the present invention, i.e., the length between the side end face 6as of the joining side of the exterior wall material 6a and the side end face 6bs of the joining side of the exterior wall material 6b (L2 in Figure 6), can be set to about 2 to 4 mm. As a result, the left and right width dimension of the base material 8 for fixing the exterior wall material 6 can be made 43 to 44 mm, which is larger than the conventional width, and it becomes possible to effectively prevent damage to the exterior wall material 6 and a decrease in the holding power of the fixing member 9 as described above. It should be noted that the difference between the width dimension of the base material 8 of the present invention, excluding the width of the vertical joints, and the width dimension of the conventional base material, excluding the width of the vertical joints, is only a few millimeters; however, at the construction site, this difference of a few millimeters results in a significant difference in effectiveness.

[0027] In a preferred embodiment of the present invention, the exterior wall material 6 is a ceramic siding. The ceramic siding is a plate-shaped exterior wall material whose main base material is cement, a siliceous material, a fibrous material, an admixture, or the like. In addition to ceramic siding, other exterior wall materials include metal siding, and a member known as a "gasket" is generally used to join pieces of metal siding together. In the present invention, however, the joining member 1 is preferably used for ceramic siding.

[0028] In the present invention, the joining member 1 is preferably an exterior member. As a member for joining exterior wall materials, it is possible to configure it as an interior component placed on the indoor side, but the joining member 1 of the present invention is preferably used as an exterior component because it has the strength and durability to withstand harsh environments and can prevent water from entering a building from the outdoors.

[0029] Next, a first embodiment of the present invention will be described in detail with reference to FIGS. As shown in Figures 4A (front view), 4B (rear view) and 5, the joining member 1A of the exterior wall material in the first embodiment has a covering portion 2 that is approximately flat, and a partition plate portion 3 that is connected vertically to the widthwise center position of the covering portion 2.

[0030] 6 shows a part of the exterior wall structure of a building, with the joining member 1A of the present invention and the exterior wall material 6, etc., viewed from above. The exterior wall materials 6a and 6b are adjacent to each other on the same plane with a small gap between them, and the joining member 1A of the first embodiment is used as a joining member in the gap.

[0031] In the exterior wall structure of a building, multiple pillars are provided at a certain interval. There are various types of pillars called main pillars, furring strips, etc., and the joint member 1 of the present invention can be attached to any part of the pillar, so hereinafter it will be simply referred to as a pillar. The pillar 7 is generally a long rectangular wooden pillar.

[0032] A base material 8 having approximately the same width as the outdoor side of the pillar 7, i.e., a width of about 90 mm, is placed on the outdoor surface of the pillar 7, for example, via a waterproof sheet (not shown). The base material 8 is a piece of wood having a thickness of, for example, 15 mm and a length of about 200 to 250 mm. A plurality of base materials 8 are placed on the pillar 7 in the vertical direction.

[0033] When using the joint member 1A of the first embodiment of the present invention, first, the exterior wall material 6a is fixed to the base material 8 and the pillar 7 by the nail 9a. Here, the position where the nail 9a is driven is outside the covering portion 2.

[0034] Next, the joining member 1A, which has sealing material 10 attached over the entire vertical direction near the connection with the partition plate portion 3 on the indoor side of the covering portion 2 on the side (exterior wall material 6a side) where the clamping plate portion 4 is not present, is abutted against the exterior wall material 6a and the base material 8, and the joining member 1A (clamping plate portion 4) is fixed to the base material 8 and the pillar 7 with nails 9b. Specifically, the indoor side of the covering portion 2 on which the clamping plate portion 4 does not exist (the exterior wall material 6a side) is abutted against the outdoor end of the exterior wall material 6, and the indoor side of the clamping plate portion 4 is abutted against the base material 8. Preferably, a gap of, for example, 1 mm to 2 mm, more preferably about 1.5 mm, is provided between the side end face 6as of the exterior wall material 6a and the opposing partition plate portion 3. By providing such a gap, even if the exterior wall material 6a expands laterally, the expanded portion is contained in the gap, making it possible to avoid adverse effects caused by the expansion of the exterior wall material 6a. Moreover, the nail 9b is driven into a position outside the side end of the covering portion 2.

[0035] The sealing material 10 is also known as a sticky sealing material, and since it is not exposed to the outside, it does not deteriorate quickly as described above. In the unlikely event that water infiltrates between the indoor side of the covering portion 2, the side where the clamping plate portion 4 is not present (the exterior wall material 6a side), and the exterior wall material 6a, it is effectively possible to prevent further water from infiltrating into the indoor side of the base material 8, pillars 7, etc.

[0036] Furthermore, since a folded portion 5 is provided at the side end portion of the covering portion 2 on the side where the clamping plate portion 4 is not present (the exterior wall material 6a side), a small gap is formed on the indoor side of the covering portion 2 between the side where the clamping plate portion 4 is not present (the exterior wall material 6a side) and the outdoor side end portion of the exterior wall material 6a, so that water that has been prevented from entering by the sealing material 10 can be more effectively guided downward and allowed to escape, i.e., drained.

[0037] Next, the side end of the joint side of the exterior wall material 6b is fitted into the area surrounded by the covering portion 2, the partition plate portion 3, and the clamping plate portion 4, and the exterior wall material 6a and the exterior wall material 6b are joined together. Here, it is preferable that the exterior wall material 6b is fitted between the side end face 6bs of the joint side of the exterior wall material 6b and the opposing partition plate portion 3 with a gap of preferably 1 mm to 2 mm, more preferably 1.5 mm. By providing a gap in this manner, even if the exterior wall material 6b expands laterally, the expanded portion fits into the gap, making it possible to avoid adverse effects caused by the expansion of the exterior wall material 6b.

[0038] As described above, a plurality of base materials 8 are provided in the vertical direction, and the nails 9a and 9b are driven into the locations where the base materials 8 exist in the same manner as described above. In Figure 6 and Figures 9 and 12 described later, for the purpose of explanation, and particularly to illustrate the nails 9 and the sealant 10, some of the components are shown as if there were gaps between them. However, in reality, except for the gap between the exterior wall material 6a and the exterior wall material 6b, the components are arranged so that they are substantially in close contact with each other unless otherwise specified.

[0039] Next, a second embodiment of the present invention will be described in detail with reference to FIGS. 7A (front view), 7B (rear view), and 8, in the joint member 1B of the exterior wall material of the second embodiment, the covering portion 2 has a shape formed by folding a generally flat plate in a mountain shape, and the partition plate portion 3 is connected perpendicularly to the side of the covering portion 2 where the folded-back portion 5 is not provided. Note that the tip of the covering portion 2 on the side where the folded-back portion 5 is not provided may also be folded back, but this is due to bending processing to form the joint member 1B, and is different from the folded-back portion 5.

[0040] 9 shows a part of the exterior wall structure of a building, with the joining member 1B of the present invention and the exterior wall material 6, etc., viewed from above. The exterior wall materials 6a and 6b are adjacent to each other on the left and right with a small gap provided at the so-called protruding corner portion, that is, the portion where the exterior wall materials 6a and 6b are joined so as to protrude outward to form a corner, and the joining member 1B of the second embodiment is used as a joining member in the gap.

[0041] The pillars 7 and base material 8 are the same as those in the first embodiment.

[0042] When using the joining member 1B of the second embodiment of the present invention, first, the exterior wall material 6a is fixed to the base material 8a and the pillar 7 by the nail 9a. Here, the position where the nail 9a is driven is outside the covering portion 2. Also, the exterior wall material 6a is fixed so that its side end on the joining side protrudes further toward the joining side than the base material 8a.

[0043] Next, the joining member 1B is arranged so that the side end of the exterior wall material 6a, i.e., the protruding portion, is fitted into the area surrounded by the covering portion 2 and the partition plate portion 3. When fitting the exterior wall material 6a, it is desirable to provide a gap of, for example, 1 mm to 2 mm, more preferably about 1.5 mm, between the side end face 6as of the joining side of the exterior wall material 6a, i.e., the tip face 6as of the protruding portion, and the opposing covering portion 2. As a result, even if the exterior wall material 6a expands laterally, the expanded portion fits into the gap, making it possible to avoid adverse effects caused by the expansion of the exterior wall material 6a. Then, the clamping plate portion 4 of the arranged joint member 1B is fixed to the base material 8b and the pillar 7 by the nail 9b. Here, the position where the nail 9b is driven is outside the covering portion 2.

[0044] The exterior wall material 6b is fitted into the area surrounded by the covering portion 2, the partition plate portion 3, and the clamping plate portion 4. Here, when fitting the exterior wall material 6b, it is desirable to provide a gap of, for example, 1 mm to 2 mm, more preferably about 1.5 mm, between the side end face 6bs of the joining side of the exterior wall material 6b and the opposing partition plate portion 3. Even if the exterior wall material 6b expands laterally, the expanded portion fits into the gap, making it possible to avoid adverse effects caused by the expansion of the exterior wall material 6b. Then, by fixing exterior wall material 6b to base material 8 and pillar 7 using nail 9c at a position farther from the joint between exterior wall material 6a and exterior wall material 6b than nail 9b, exterior wall material a and exterior wall material 6b are joined at the protruding corner.

[0045] Since a folded portion 5 is provided at the side end portion on the side where the clamping plate portion 4 of the covering portion 2 is not present (the exterior wall material 6a side), even if water infiltrates from the side where the clamping plate portion 4 of the covering portion 2 is not present (the exterior wall material 6a side), a small gap is formed on the indoor side of the covering portion 2 between the side where the clamping plate portion 4 is not present (the exterior wall material 6a side) and the outdoor side end portion of the exterior wall material 6a, so that the infiltrating water can be effectively guided downward and allowed to escape, i.e., drained.

[0046] In the second embodiment, the side ends of the exterior wall materials 6a and 6b on the joint side are surrounded by the covering portion 2 and the partition plate portion 3, and the covering portion 2, the partition plate portion 3 and the clamping plate portion 4, respectively, so that it is possible to prevent rainwater, etc. from entering the indoor side of the base material 8, pillars 7, etc. through the joint, and therefore a sealing material 10 as in the first embodiment and the third embodiment described later is not required.

[0047] As described above, a plurality of base materials 8 are provided in the vertical direction, and the nails 9a, 9b, and 9c are driven into the locations of the base materials 8 in the same manner as described above.

[0048] Next, a third embodiment of the present invention will be described in detail with reference to FIGS. As shown in Figures 10A (front view), 10B (rear view), and 11, in the joint member 1C of the exterior wall material of the third embodiment, the covering portion 2 has a shape formed by folding a generally flat plate in a valley, and the partition plate portion 3 is connected to the bottom of the valley fold of the covering portion 2 perpendicular to the side of the covering portion 2 where the folded portion 5 is not provided. In other words, the partition plate portion 3 is connected to the bottom of the valley fold of the covering portion 2 on the same plane as the side of the covering portion 2 where the folded portion 5 is provided. Note that the tip of the covering portion 2 on the side where the folded portion 5 is not provided may also be folded back, but this is a bending process that is performed to form the joint member 1C, and is different from the folded portion 5.

[0049] 12 shows a part of the exterior wall structure of a building, with the joining member 1C of the present invention and the exterior wall material 6, etc., viewed from above. The exterior wall materials 6a and 6b are adjacent to each other on the left and right sides with a small gap provided at a so-called inside corner portion, i.e., a portion where the exterior wall materials 6a and 6b are recessed inward and joined to form a corner, and the joining member 1C of the third embodiment is used as a joining member in the gap.

[0050] The pillars 7 and base material 8 are the same as those in the first embodiment.

[0051] When using the joint member 1C of the third embodiment of the present invention, first, the exterior wall material 6a is fixed to the base material 8a and the pillar 7a by the nail 9a. Here, the position where the nail 9a is driven is outside the covering portion 2.

[0052] Next, a sealant 10 is attached over the entire vertical direction to the tip of the joint side of the exterior wall material 6a, that is, to the corner formed by the side end face 6as of the exterior wall material 6a and the face of the exterior wall material 6a facing the partition plate portion 3. The sealant 10 here is the same as the sealant 10 of the first embodiment, and the presence of the sealant 10 makes it possible to effectively prevent further water from penetrating into the interior side of the base material 8, pillars 7, etc., even in the unlikely event that water penetrates between the exterior wall material 6a and the covering portion 2 that abuts against the exterior wall material 6a.

[0053] The clamping plate 4 of the joint member 1C is fixed to the base material 8b and the column 7b by the nail 9b after the clamping plate 4 is positioned at a position that is approximately flush with the side end surface 6as of the joint side of the exterior wall material 6a. Here, the positional relationship between the side end surface 6as of the joint side of the exterior wall material 6a and the clamping plate 4 is preferably such that the position of the side end surface 6as is shifted 1 mm to 2 mm, more preferably 1.5 mm, toward the covering part 2 from the clamping plate 4. By arranging the exterior wall material 6a and the joint member 1C in this way, when the exterior wall material 6a and the exterior wall material 6b are joined, a gap of preferably 1 mm to 2 mm, more preferably 1.5 mm is formed between the side end surface 6as of the joint side of the exterior wall material 6 and the opposing base material 8b. Therefore, even if the exterior wall material 6a expands in the lateral direction, the expanded portion fits into the gap, making it possible to avoid the adverse effects caused by the expansion of the exterior wall material 6a.

[0054] Next, the side end of the joining side of the exterior wall material 6b is fitted into the area surrounded by the covering portion 2, the partition plate portion 3, and the clamping plate portion 4. Here, it is desirable to fit the exterior wall material 6b with a gap of, for example, 1 mm to 2 mm, more preferably about 1.5 mm, between the side end face 6bs of the joining side of the exterior wall material 6b and the opposing partition plate portion 3. Even if the exterior wall material 6b expands laterally, the expanded portion fits into the gap, making it possible to avoid adverse effects caused by the expansion of the exterior wall material 6b.

[0055] Then, by fixing exterior wall material 6b to base material 8b and pillar 7b using nail 9c at a position farther from the joint between exterior wall material 6a and exterior wall material 6b than nail 9b, exterior wall material a and exterior wall material 6b are joined at the inside corner.

[0056] Since a folded portion 5 is provided at the side end portion of the side (exterior wall material 6a side) of the covering portion 2 where the clamping plate portion 4 is not present, even if water infiltrates from the side (exterior wall material 6a side) of the covering portion 2 where the clamping plate portion 4 is not present, a small gap is formed between the indoor side of the covering portion 2, the side (exterior wall material 6a side) where the clamping plate portion 4 is not present, and the outdoor side of the exterior wall material 6a, so that the infiltrating water can be effectively guided downward and allowed to escape, i.e., drained.

[0057] As described above, a plurality of base materials 8 are provided in the vertical direction, and the nails 9a, 9b, and 9c are driven into the locations of the base materials 8 in the same manner as described above. [Explanation of symbols]

[0058] 1 Joining materials 2 Covering part 2t mountain fold top 2v Valley fold bottom 3 Partition plate 4 Holding plate part 5 Turning section 6 Exterior wall materials 6as Side end face of exterior wall material 6bs Side end face of exterior wall material 7 Pillars 8 Base material 9 Fixing member 10 Sealing materials L1 Width of the exterior side of the substrate L2 Gap (joint) between exterior wall materials

Claims

1. A covering portion (2); A partition plate portion (3) whose one side end portion is connected to the covering portion (2); a clamping plate portion (4) extending vertically from the other end of the partition plate portion (3), A joining member (1) for exterior wall materials, characterized in that a folded-back portion (5) is provided at one end of the covering portion (2).

2. The exterior wall material is a ceramic siding, The joint member (1) of exterior wall materials according to claim 1, characterized in that the joint member (1) is an exterior component.

3. The covering portion (2) is substantially flat, 3. The joining member (1A) for exterior wall materials according to claim 1 or 2, characterized in that the partition plate portion (3) is connected to the covering portion (2) at a widthwise center position and in a vertical direction.

4. The covering portion (2) has a shape of a substantially flat plate bent in a mountain-like manner, A joining member (1B) for exterior wall materials as described in claim 1 or 2, characterized in that the partition plate portion (3) is connected vertically to the side of the covering portion (2) on which the folded-back portion (5) is not provided.

5. The covering portion (2) has a shape obtained by folding a substantially flat plate into a valley, A joining member (1C) for exterior wall materials as described in claim 1 or 2, characterized in that the partition plate portion (3) is connected to the bottom of the valley fold of the covering portion (2) in a perpendicular direction to the side of the covering portion (2) on which the folded-back portion (5) is not provided.

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