Waterproof sheet construction auxiliary jig and waterproof sheet construction method

Abstract

To provide a waterproof sheet construction auxiliary jig and a waterproof sheet construction method capable of suppressing generation of a winkle when a waterproof sheet is constructed.SOLUTION: A waterproof sheet construction auxiliary jig 1 includes a pressing part 10 including a first pressing part 11A and a second pressing part 12A. The first pressing part 11A directly or indirectly presses a lower part 9A of a wall sheet part 9 attached to a wall 2 in a waterproof sheet 3. The second pressing part 12A presses an upper part 9B of the wall sheet part 9. The second pressing part 12A includes a claw part 16. The claw part 16 is configured to be stuck to the waterproof sheet 3.SELECTED DRAWING: Figure 3

Description

Technical Field

[0001] The present disclosure relates to a waterproof sheet construction auxiliary tool and a waterproof sheet construction method.

Background Art

[0002] In a building, when a waterproof sheet is stretched on a wall rising from the floor, a jig is used to stretch the waterproof sheet so as to suppress the generation of wrinkles in the waterproof sheet. For example, Patent Document 1 discloses a waterproof sheet construction auxiliary tool (in Patent Document 1, a construction tool). The waterproof sheet construction auxiliary tool of this document includes a base portion and a pressing portion provided so as to rotate with respect to the base portion. The auxiliary portion has an elastic body. The auxiliary portion suppresses the generation of wrinkles after pressing by pressing the waterproof sheet against the wall portion through the elastic body.

Prior Art Documents

Patent Documents

[0003]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0004] By the way, when constructing a waterproof sheet, there is room for improvement in the waterproof sheet construction auxiliary tool and the waterproof sheet construction method from the viewpoint of suppressing the generation of wrinkles in the waterproof sheet by stretching the slack of the waterproof sheet.

Means for Solving the Problems

[0005] (1) The waterproof sheet construction assisting jig for solving the above problems is a waterproof sheet construction assisting jig for assisting the pasting operation of pasting a waterproof sheet on a wall, and includes a pressing part having a first pressing part that directly or indirectly presses the lower part of the wall sheet part pasted on the wall in the waterproof sheet, and a second pressing part that presses the upper part of the wall sheet part. The second pressing part has a claw part, and the claw part is configured to pierce the waterproof sheet. According to this configuration, the pressing part presses the lower part and the upper part of the wall sheet part. Thereby, the pressing part can stretch the slack of the waterproof sheet. For this reason, the generation of wrinkles in the waterproof sheet can be suppressed.

[0006] (2) In the waterproof sheet construction assisting jig of the above (1), it further includes a pedestal part, and the pedestal part is rotatably coupled to the lower end part of the pressing part. According to this configuration, the pressing part is rotatably coupled to the pedestal part. Therefore, the pressing part can be rotated so as to easily press the wall sheet part.

[0007] (3) In the waterproof sheet construction assisting jig of the above (2), the lower end part of the pressing part is rotatably coupled to the pedestal part by a first hinge member. According to this configuration, the lower end part of the pressing part is rotatably coupled to the pedestal part by a first hinge member. Therefore, the pressing part can be rotated so as to easily press the wall sheet part.

[0008] (4) In any one of the waterproof sheet construction assisting jigs of the above (1) to (3), the pressing part includes a first pressing member and a second pressing member provided with the claw part, and the second pressing member is rotatably coupled to the first pressing member by a second hinge member. According to this configuration, the second pressing member is rotatably coupled to the first pressing member by a second hinge member. Therefore, the pressing part can rotate the second pressing member so that the claw part can easily pierce the wall sheet part.

[0009] (5) In any one of the waterproof sheet construction auxiliary jigs according to (1) to (4) above, the pressing portion is constituted by a leaf spring. According to this configuration, the pressing portion constituted by the leaf spring presses the lower and upper portions of the wall sheet portion. Thereby, the pressing portion can stretch the slack of the waterproof sheet. Therefore, the generation of wrinkles in the waterproof sheet can be suppressed.

[0010] (6) In any one of the waterproof sheet construction auxiliary jigs according to (1) to (5) above, the pressing portion is provided with a pushing-in portion that pushes the pressing portion toward the waterproof sheet. According to this configuration, by pressing the pushing-in portion, the pressing portion can be pushed toward the waterproof sheet. Thereby, the slack of the waterproof sheet can be efficiently stretched by the pressing portion. Therefore, the generation of wrinkles in the waterproof sheet can be suppressed.

[0011] (7) In any one of the waterproof sheet construction auxiliary jigs according to (1) to (6) above, the waterproof sheet construction auxiliary jig further includes a support member that supports the pressing portion, and the support member has a first end portion that directly or indirectly contacts the floor and a second end portion that contacts the pressing portion. According to this configuration, the pressing portion can be supported by the support member. Therefore, it is easy to maintain the state of the pressing portion that stretches the slack of the waterproof sheet.

[0012] (8) A waterproof sheet construction method for solving the above problems is a waterproof sheet construction method for attaching a waterproof sheet to a wall, wherein the waterproof sheet has a wall sheet portion along a wall portion rising from the floor, and in a state where the wall sheet portion is brought into contact with the wall portion, a first step of temporarily fixing the wall sheet portion by the waterproof sheet construction auxiliary jig according to any one of (1) to (7) above, and a second step of fixing the wall sheet portion to the wall portion are included. According to this configuration, the wall sheet portion can be temporarily fixed by the waterproof sheet construction auxiliary jig. Therefore, in a state where the slack of the waterproof sheet is stretched by the waterproof sheet construction auxiliary jig, the wall sheet portion can be fixed to the wall portion.

Advantages of the Invention

[0013] According to the waterproof sheet construction auxiliary jig of the present disclosure, when constructing a waterproof sheet, the generation of wrinkles can be suppressed. According to the waterproof sheet construction method of the present disclosure, when constructing a waterproof sheet, the generation of wrinkles can be suppressed.

Brief Description of the Drawings

[0014]

Figure 1

Figure 2

Figure 3

Figure 4

Figure 5

Figure 6

Figure 7

Figure 8

Figure 9

Figure 10

Figure 11

Modes for Carrying Out the Invention

[0015] <First Embodiment> With reference to FIGS. 1 to 7, the waterproof sheet construction auxiliary jig 1 and the waterproof sheet construction method will be described.

[0016] As shown in FIGS. 1 and 2, the waterproof sheet installation assisting jig 1 is a jig for assisting the installation work of attaching the waterproof sheet 3 to the wall 2. The wall 2 is a wall arranged to rise from the floor of the building 4. Examples include the wall of a veranda, the wall of a balcony, the wall on the indoor side among the walls forming a space outdoors, and the rising wall on the rooftop. In the present embodiment, the wall 2 is a wall rising from the balcony floor 4A of the building 4.

[0017] The wall 2 includes a frame 2A (see FIG. 3), a plywood 2B, and an exterior material 2C. The exterior material 2C is attached to the frame 2A by attaching metal fittings. Hereinafter, the illustration of the attaching metal fittings is omitted. The plywood 2B is located below the exterior material 2C. A drainage material and a sealing material are provided between the plywood 2B and the exterior material 2C. Hereinafter, the illustration of the drainage material and the sealing material is omitted.

[0018] As shown in FIGS. 2 and 3, in the present embodiment, the waterproof sheet 3 forms a unit steel plate 7 together with the gradient heat insulating material 5 and the steel plate 6. The waterproof sheet 3 is composed of a wall sheet portion 9 and a floor sheet portion 3A. The floor sheet portion 3A is joined to the steel plate 6. The wall sheet portion 9 is attached to the plywood 2B (described later). The unit steel plate 7 is arranged along the plywood 2B and the floor beam 8. The operator 1X extends the wall sheet portion 9 along the plywood 2B by the waterproof sheet installation assisting jig 1 in a state where the unit steel plate 7 is arranged.

[0019] On the balcony floor 4A, the unit steel plate 7 may not be arranged. In this case, the floor sheet portion 3A of the waterproof sheet 3 is arranged on the balcony floor 4A without passing through the steel plate 6 and the gradient heat insulating material 5. Also, a drainage groove is provided near the wall 2 on the balcony floor 4A. Hereinafter, the illustration of the drainage groove is omitted.

[0020] As shown in FIGS. 3 and 4, the waterproof sheet construction auxiliary jig 1 includes a pressing part 10. The pressing part 10 includes a first pressing member 11 and a second pressing member 12. In the present embodiment, the first pressing member 11 and the second pressing member 12 are constituted by metal plates. The first pressing member 11 has a first pressing part 11A. Also, the second pressing member 12 has a second pressing part 12A. The first pressing part 11A directly or indirectly presses the lower part 9A of the wall sheet part 9. In the present embodiment, the waterproof sheet construction auxiliary jig 1 includes a pedestal part 13. The lower end part 10A of the pressing part 10 is rotatably coupled to the pedestal part 13. Specifically, the lower end part 10A of the first pressing member 11 of the pressing part 10 is rotatably coupled to the pedestal part 13 by a first hinge member 14. Thereby, the first pressing part 11A of the present embodiment indirectly presses the lower part 9A of the wall sheet part 9. The first hinge member 14 of the present embodiment is connected to the first pressing member 11 by bolts and nuts. Also, the first hinge member 14 is connected to the pedestal part 13 by screws. The pedestal part 13 of the present embodiment is formed in a rectangular parallelepiped shape. The pedestal part 13 does not have to be formed in a rectangular parallelepiped shape. The pedestal part 13 may be formed like a square prism. Also, it may be formed like a hemisphere.

[0021] The second pressing member 12 is rotatably coupled to the first pressing member 11 by a second hinge member 15. The second hinge member 15 of the present embodiment is connected to the first pressing member 11 by bolts and nuts. Also, the second pressing part 12A has a claw part 16. The claw part 16 is configured to pierce the waterproof sheet 3. In the present embodiment, the claw part 16 is formed in a fork shape. The claw part 16 may be formed in a three-pronged shape. Also, the claw part 16 may have a plurality of needles. The second pressing part 12A having the claw part 16 presses the upper part 9B of the wall sheet part 9 in the waterproof sheet 3 (described later).

[0022] The first pressing member 11 is provided with a pushing-in portion 17 that pushes the pressing portion 10 toward the waterproof sheet 3. In the present embodiment, the pushing-in portion 17 is formed in a mushroom shape. The pushing-in portion 17 may be formed like a triangular prism. Also, the pushing-in portion 17 may be formed like a rod shape. In the present embodiment, the operator 1X manually pushes the pushing-in portion 17 (see Fig. 2).

[0023] The width of the first pressing member 11 is formed to be 30 mm or more and 50 mm or less. The thickness of the first pressing member 11 is formed to be 2 mm or more and 5 mm or less. The height of the first pressing member 11 is formed to be 80 mm or more and 140 mm or less. The width of the second pressing member 12 is formed to be 30 mm or more and 50 mm or less. The thickness of the second pressing member 12 is formed to be 2 mm or more and 5 mm or less. The height of the second pressing member 12 is formed to be 80 mm or more and 140 mm or less. In the present embodiment, the widths of the first pressing member 11 and the second pressing member 12 are formed to be 40 mm. The heights of the first pressing member 11 and the second pressing member 12 are formed to be 110 mm. The thicknesses of the first pressing member 11 and the second pressing member 12 are formed to be 3 mm.

[0024] In the width direction of the first pressing member 11, the width of the pedestal portion 13 is formed to be 70 mm or more and 110 mm or less. The height of the pedestal portion 13 is formed to be 20 mm or more and 50 mm or less. In the thickness direction of the first pressing member 11, the depth of the pedestal portion 13 is formed to be 25 mm or more and 35 mm or less. In the present embodiment, the width of the pedestal portion 13 is formed to be 90 mm. The height of the pedestal portion 13 is formed to be 30 mm. The depth of the pedestal portion 13 is formed to be 28 mm.

[0025] In the width direction of the first pressing member 11, the diameter of the pushing-in portion 17 is formed to be 30 mm or more and 50 mm or less. The thickness of the pushing-in portion 17 is formed to be 25 mm or more and 35 mm or less. In the present embodiment, the diameter of the pushing-in portion 17 is formed to be 40 mm. The thickness of the pushing-in portion 17 is formed to be 28 mm.

[0026] The claw portion 16 of this embodiment is composed of a first claw 16A and a second claw 16B. The first claw 16A and the second claw 16B are formed at a certain interval in the width direction of the first pressing member 11. An interval of 10 mm or more and 50 mm or less is provided between the first claw 16A and the second claw 16B. As a preferable example, it is 29 mm.

[0027] <Waterproof sheet construction method> With reference to FIGS. 5 to 7, a waterproof sheet construction method for attaching the wall sheet portion 9 of the waterproof sheet 3 to the wall 2 will be described.

[0028] The waterproof sheet construction method includes a first step and a second step. The first step starts in a state where the wall sheet portion 9 of the waterproof sheet 3 is brought into contact along the wall portion 4B rising from the balcony floor 4A. Hereinafter, each step will be described. In FIGS. 5 to 7, the illustration of the operator 1X is omitted.

[0029] As shown in FIGS. 5 and 6, in the first step, the wall sheet portion 9 is temporarily fixed to the wall portion 4B by the waterproof sheet construction auxiliary jig 1. Hereinafter, the procedure until the temporary fixing will be described. The lower corner portion 13A of the pedestal portion 13 of the waterproof sheet construction auxiliary jig 1 is brought into contact with the boundary portion between the wall sheet portion 9 and the floor sheet portion 3A. The tip of the claw portion 16 is pierced into the upper portion 9B of the wall sheet portion 9. In these states, when the operator 1X presses the pushing portion 17, the first pressing member 11 transmits the pressing force transmitted from the pushing portion 17 to the lower portion 9A of the wall sheet portion 9. Further, the second pressing member 12 transmits the pressing force transmitted from the pushing portion 17 to the upper portion 9B of the wall sheet portion 9. When the pressing force for pressing the pushing portion 17 is transmitted to the pedestal portion 13, the first pressing portion 11A of the pressing portion 10 presses the lower portion 9A of the wall sheet portion 9 via the pedestal portion 13. Further, when the pressing force for pressing the pushing portion 17 is transmitted to the claw portion 16, the second pressing portion 12A of the pressing portion 10 presses the upper portion 9B of the wall sheet portion 9 so as to move the upper portion 9B of the wall sheet portion 9 away from the lower portion 9A. In this state, the wall sheet portion 9 is stretched along the wall portion 4B.

[0030] As shown in FIG. 7, in the second step, the wall sheet portion 9 is fixed to the wall portion 4B. The wall sheet portion 9 is fixed by a fixture. Examples of the fixture include screws, adhesives, and staplers. In the present embodiment, the wall sheet portion 9 is fixed by a stapler 18. After the wall sheet portion 9 is fixed, the operator 1X may cut off the portion of the upper portion 9B of the wall sheet portion 9 that hangs down without contacting the wall portion 4B. By the above waterproof sheet construction method, the wall sheet portion 9 of the waterproof sheet 3 is attached to the wall 2.

[0031] The operation of the present embodiment will be described. The first pressing member 11 of the waterproof sheet construction auxiliary jig 1 is rotatably coupled to the pedestal portion 13 by a first hinge member 14 at the lower end portion 10A. The second pressing member 12 is rotatably coupled to the first pressing member 11 by a second hinge member 15. The first pressing member 11 is provided with a pushing portion 17 that pushes the pressing portion 10 toward the waterproof sheet 3. The first pressing portion 11A of the first pressing member 11 indirectly presses the lower portion 9A of the wall sheet portion 9 via the pedestal portion 13. The claw portion 16 of the second pressing portion 12A of the second pressing member 12 presses the upper portion 9B of the wall sheet portion 9.

[0032] Conventionally, a jig for constructing the waterproof sheet 3 has not disclosed a technique for suppressing the generation of wrinkles in the waterproof sheet 3 by stretching the slack of the waterproof sheet 3 when constructing the waterproof sheet 3. In this regard, according to the present embodiment, by pressing the pushing portion 17, the pressing portion 10 presses the lower portion 9A and the upper portion 9B of the wall sheet portion 9. Thereby, the wall sheet portion 9 is stretched along the wall portion 4B. Therefore, the generation of wrinkles in the waterproof sheet 3 can be suppressed.

[0033] The effects of the present embodiment will be described. (1) The waterproof sheet construction assisting jig 1 is a waterproof sheet construction assisting jig that assists in the pasting operation of pasting the waterproof sheet 3 onto the wall 2. The pressing part 10 has a first pressing part 11A that directly or indirectly presses the lower part 9A of the wall sheet part 9 that is pasted onto the wall 2 in the waterproof sheet 3, and a second pressing part 12A that presses the upper part 9B of the wall sheet part 9. The second pressing part 12A has a claw part 16. The claw part 16 is configured to pierce the waterproof sheet 3. According to this configuration, the pressing part 10 presses the lower part 9A and the upper part 9B of the wall sheet part 9. Thereby, the pressing part 10 can stretch the slack of the waterproof sheet 3. Therefore, the generation of wrinkles in the waterproof sheet 3 can be suppressed.

[0034] (2) The waterproof sheet construction assisting jig 1 further includes a pedestal part 13. The pedestal part 13 is rotatably coupled to the lower end part 10A of the pressing part 10. According to this configuration, the pressing part 10 is rotatably coupled to the pedestal part 13. Therefore, the pressing part 10 can be rotated so as to easily press the wall sheet part 9.

[0035] (3) The lower end part 10A of the pressing part 10 is rotatably coupled to the pedestal part 13 by a first hinge member 14. According to this configuration, the lower end part 10A of the pressing part 10 is rotatably coupled to the pedestal part 13 by the first hinge member 14. Therefore, the pressing part 10 can be rotated so as to easily press the wall sheet part 9.

[0036] (4) The pressing part 10 includes a first pressing member 11 and a second pressing member 12 provided with the claw part 16. The second pressing member 12 is rotatably coupled to the first pressing member 11 by a second hinge member 15. According to this configuration, the second pressing member 12 is rotatably coupled to the first pressing member 11 by the second hinge member 15. Therefore, the pressing part 10 can rotate the second pressing member 12 so that the claw part 16 can easily pierce the wall sheet part 9.

[0037] (5) In the pressing part 10 of the waterproof sheet construction auxiliary jig 1, a pushing-in part 17 for pushing the pressing part 10 toward the waterproof sheet 3 is provided. According to this configuration, by pressing the pushing-in part 17, the pressing part 10 can be pushed toward the waterproof sheet 3. Thereby, the slack of the waterproof sheet 3 can be efficiently stretched by the pressing part 10. For this reason, the generation of wrinkles in the waterproof sheet 3 can be suppressed.

[0038] (6) The waterproof sheet construction method is a waterproof sheet construction method for attaching the waterproof sheet 3 to the wall 2. The waterproof sheet 3 has a wall sheet part 9 along the wall part 4B rising from the floor 4A. The waterproof sheet construction method includes a first step of temporarily fixing the wall sheet part 9 by the waterproof sheet construction auxiliary jig 1 in a state where the wall sheet part 9 is in contact with the wall part 4B. The waterproof sheet construction method also includes a second step of fixing the wall sheet part 9 to the wall part 4B. According to this configuration, the wall sheet part 9 can be temporarily fixed by the waterproof sheet construction auxiliary jig 1. For this reason, in a state where the slack of the waterproof sheet 3 is stretched by the waterproof sheet construction auxiliary jig 1, the wall sheet part 9 can be fixed to the wall part 4B.

[0039] <Second Embodiment> Referring to FIG. 8, the waterproof sheet construction auxiliary jig 1 of the second embodiment will be described. In the present embodiment, for the configuration common to the first embodiment, the same reference numerals as those in the configuration of the first embodiment are given. The description of the overlapping configuration is omitted.

[0040] As shown in FIG. 8, the waterproof sheet construction auxiliary jig 1 of the present embodiment further includes a support member 19 that supports the pressing part 10. The support member 19 has a first end part 19A that directly or indirectly contacts the balcony floor 4A, and a second end part 19B that contacts the pressing part 10. Specifically, the first end part 19A of the support member 19 directly contacts the balcony floor 4A. The first end part 19A may directly contact the pedestal part 13. In this case, the first end part 19A indirectly contacts the balcony floor 4A. The second end part 19B of the support member 19 is rotatably coupled to the back surface part 11B of the first pressing member 11 by the third hinge member 20. The support member 19 of the present embodiment is configured by an iron plate.

[0041] According to the configuration of the present embodiment, the pressing portion 10 can be supported by the support member 19. Therefore, it is easy to maintain the state of the pressing portion 10 that stretches the slack of the waterproof sheet 3.

[0042] <Modification Example> Each of the above embodiments is an exemplification of a form that the waterproof sheet construction auxiliary jig 1 and the waterproof sheet construction method can take, and is not intended to limit that form. The waterproof sheet construction auxiliary jig 1 and the waterproof sheet construction method can take forms different from those exemplified in the above embodiments. An example thereof is a form in which a part of the configuration of the embodiment is replaced, changed, or omitted, or a new configuration is added to the embodiment. An example of a modification example of the embodiment is shown below.

[0043] <First Modification Example> As shown in FIG. 9, the first pressing portion 11A of the first pressing member 11 may directly press the lower portion 9A of the wall sheet portion 9 attached to the wall 2 in the waterproof sheet 3. A folded-back portion 21 may be connected to the lower end portion 10A of the pressing portion 10. In this modification example, the folded-back portion 21 is connected to the lower end portion 10A. The folded-back portion 21 of this modification example is integrally formed with the first pressing member 11. The folded-back portion 21 may be formed by a member different from the first pressing member 11. The folded-back portion 21 extends flatly along the balcony floor 4A from the lower end portion 10A of the pressing portion 10.

[0044] According to this configuration, the lower portion 9A of the wall sheet portion 9 can be directly pressed by the first pressing member 11. Therefore, the generation of wrinkles in the waterproof sheet 3 can be suppressed by the first pressing member 11 and the second pressing member 12.

[0045] <Second Modification Example> As shown in FIGS. 10 and 11, the pressing portion 10 may be constituted by a leaf spring 22. Specifically, the first pressing member 11 and the second pressing member 12 of the first embodiment are integrally constituted by the leaf spring 22. A leaf spring folding portion 23 may be connected to the lower end portion 10A of the pressing portion 10 of the leaf spring 22. In this modification, the leaf spring folding portion 23 is connected to the lower end portion 10A of the pressing portion 10 of the leaf spring 22. The leaf spring folding portion 23 of this modification is integrally formed with the leaf spring 22. The leaf spring folding portion 23 may be formed by a member different from the leaf spring 22. The leaf spring folding portion 23 extends flatly along the floor 4A of the balcony from the lower end portion 10A of the pressing portion 10 of the leaf spring 22.

[0046] An operator 1X (not shown) presses the back surface portion 22A of the leaf spring 22 to stretch the wall sheet portion 9 along the wall portion 4B. The lower end portion 10A of the leaf spring 22 transmits the pressing force transmitted from the back surface portion 22A to the lower portion 9A of the wall sheet portion 9. Thereby, the first pressing portion 11A of the leaf spring 22 presses the lower portion 9A of the wall sheet portion 9. Further, the claw portion 16 of the leaf spring 22 transmits the pressing force transmitted from the back surface portion 22A to the upper portion 9B of the wall sheet portion 9. Thereby, the claw portion 16 of the leaf spring 22 presses the upper portion 9B of the wall sheet portion 9 so as to move the upper portion 9B of the wall sheet portion 9 away from the lower portion 9A. In this state, the wall sheet portion 9 is stretched along the wall portion 4B.

[0047] According to this configuration, the pressing portion 10 constituted by the leaf spring 22 presses the lower portion 9A and the upper portion 9B of the wall sheet portion 9. Thereby, the pressing portion 10 can stretch the slack of the waterproof sheet 3. Therefore, the generation of wrinkles in the waterproof sheet 3 can be suppressed.

[0048] This specification discloses the following technology. [Appendix 1] It is a waterproof sheet construction assisting jig for assisting the pasting operation of pasting a waterproof sheet on a wall. The waterproof sheet construction assisting jig includes a pressing portion having a first pressing portion that directly or indirectly presses the lower portion of the wall sheet portion pasted on the wall in the waterproof sheet, and a second pressing portion that presses the upper portion of the wall sheet portion. The second pressing portion has a claw portion. The claw portion is configured to pierce the waterproof sheet.

[0049] [Appendix 2] In the waterproof sheet construction assisting jig of Appendix 1, it further includes a pedestal portion. The pedestal portion is rotatably coupled to the lower end portion of the pressing portion.

[0050] [Appendix 3] In the waterproof sheet construction assisting jig of Appendix 2, the lower end portion of the pressing portion is rotatably coupled to the pedestal portion by a first hinge member.

[0051] [Appendix 4] In the waterproof sheet construction assisting jig of Appendix 1, the pressing portion includes a first pressing member and a second pressing member provided with the claw portion. The second pressing member is rotatably coupled to the first pressing member by a second hinge member.

[0052] [Appendix 5] In the waterproof sheet construction assisting jig of Appendix 1, the pressing portion is constituted by a leaf spring.

[0053] [Appendix 6] In the waterproof sheet construction assisting jig of Appendix 1, a pushing-in portion for pushing the pressing portion toward the waterproof sheet is provided on the pressing portion.

[0054] [Appendix 7] In the waterproof sheet construction assisting jig of Appendix 1, it further includes a support member for supporting the pressing portion. The support member has a first end portion that contacts the floor or the pedestal portion, and a second end portion that contacts the pressing portion.

[0055] [Appendix 8] A waterproof sheet construction method of attaching a waterproof sheet to a wall, wherein the waterproof sheet has a wall sheet portion along a wall portion rising from the floor. In a state where the wall sheet portion is in contact with the wall portion, a first step of temporarily fixing the wall sheet portion by the waterproof sheet construction auxiliary jig described in any one of Supplementary Notes 1 to 7, and a second step of fixing the wall sheet portion to the wall portion are included.

Explanation of Signs

[0056] 1... Waterproof sheet construction auxiliary jig, 2... Wall, 3... Waterproof sheet, 4B... Wall portion, wall sheet portion 9, lower portion 9A, upper portion 9B, 10... Pressing portion, 10A... Lower end portion, 11... First pressing member, 11A... First pressing portion, 12... Second pressing member, 12A... Second pressing portion, 13... Pedestal portion, 14... First hinge member, 15... Second hinge member, 16... Claw portion, 17... Pushing-in portion, 19... Support member, 19A... First end portion, 19B... Second end portion, 22... Leaf spring.

Claims

1. A waterproof sheet construction auxiliary jig for assisting the pasting operation of pasting a waterproof sheet on a wall, comprising a pressing part having a first pressing part that directly or indirectly presses the lower part of the wall sheet part to be pasted on the wall in the waterproof sheet and a second pressing part that presses the upper part of the wall sheet part, wherein the second pressing part has a claw part, and the claw part is configured to pierce the waterproof sheet, a waterproof sheet construction auxiliary jig.

2. further comprising a pedestal part, wherein the pedestal part is rotatably coupled to the lower end of the pressing part, the waterproof sheet construction auxiliary jig according to claim 1.

3. The lower end of the pressing part is rotatably coupled to the pedestal part by a first hinge member, the waterproof sheet construction auxiliary jig according to claim 2.

4. The pressing part includes a first pressing member and a second pressing member provided with the claw part, and the second pressing member is rotatably coupled to the first pressing member by a second hinge member, the waterproof sheet construction auxiliary jig according to claim 1.

5. The pressing part is constituted by a leaf spring, the waterproof sheet construction auxiliary jig according to claim 1.

6. The pressing part is provided with a pushing-in part for pushing the pressing part toward the waterproof sheet, the waterproof sheet construction auxiliary jig according to claim 1.

7. further comprising a support member for supporting the pressing part, wherein the support member has a first end that directly or indirectly contacts the floor and a second end that contacts the pressing part, the waterproof sheet construction auxiliary jig according to claim 1.

8. A waterproof sheet construction method for pasting a waterproof sheet on a wall, wherein the waterproof sheet has a wall sheet part along a wall part rising from the floor, a first step of temporarily fixing the wall sheet part by the waterproof sheet construction auxiliary jig according to any one of claims 1 to 7 in a state where the wall sheet part is in contact with the wall part, and a second step of fixing the wall sheet part to the wall part, a waterproof sheet construction method.

Images