JP2005023710A - Vertical joint cut off structure between external wall panels - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a vertical joint cut off structure between external wall panels in which a cut off sheet material can be installed in the depth position between external wall panels and the sheet material can be installed between the external wall panels even after installation thereof. <P>SOLUTION: In between adjacent right and left external wall panels 1, 1, a slit 2 opening in the direction between the external wall panels and closing in the reverse direction is formed between the backing material 6 of respective external wall panel and the external wall face material 5. The space between the external wall face materials 1, 1 is cut off at the position between the external wall face material 5 and the backing material 6 by the cut off sheet material 3. Respective slit 2 is formed by the notch 6a provide at the side of the backing material 6, and an adhesive cut off material 8 stopping water between the backing material 6 and the external wall face material 5 in the depth of the respective slits 2, is provided. Both sides of the cut off sheet material 3 are stuck in a cut off condition to the adhesive cut off materials 8, 8. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a vertical joint waterproof structure between outer wall panels.
[0002]
[Prior art]
[Patent Document 1] Japanese Unexamined Patent Publication No. 2000-1968 In a building such as a house, a secondary water stop between the adjacent left and right outer wall panels is provided between the outer wall material and the panel frame. The thing which installed and implemented the planar water stop material in the back side of the material is provided (patent document 1).
[0003]
[Problems to be solved by the invention]
However, in this structure, it is necessary to attach a planar water-proof material to the building side of the building before erection of the outer wall panel. In that case, when the outer wall panel is erected, the outer wall panel and the planar Carefully lay the outer wall panels to prevent this from happening, as the water material may rub against or be strongly struck and impair the water stop function of the surface water stop material. There was a problem that had to be done.
[0004]
In view of the problems as described above, the present invention can install a planar water blocking material at a back position between outer wall panels, and can perform the installation at a stage after the outer wall panel is erected. It aims at providing the vertical joint water stop structure between the outer wall panels which can be performed.
[0005]
[Means for Solving the Problems]
The above problem is that, between the adjacent left and right outer wall panels, a panel frame is provided on the edge back side of the outer wall surface material of both outer wall panels via a base material,
Between the base material and the outer wall surface material of each outer wall panel is provided with a slit that opens in the direction between the outer wall panels and closes in the opposite direction,
A planar water-stopping material is installed so that both sides in the width direction are inserted into each slit, and the space between the outer wall panels is between the outer wall surface material and the base material by the surface water-stopping material. It is solved by a vertical joint water-stopping structure between outer wall panels characterized by being water-stopped.
[0006]
In this structure, between adjacent outer wall panels, a slit that opens in the direction between the outer wall panels is provided between the base material of the outer wall panel and the outer wall surface material. Since it is installed so as to be inserted inside, the planar water blocking material can be installed at the back position between the outer wall panels, and the installation can be performed at the stage after the outer wall panel is built, In addition, since the slit is closed in the direction opposite to that between the outer wall panels, the space between the outer wall panels can be stopped when the planar water blocking material is inserted into the slit.
[0007]
Furthermore, since the slit is provided between the outer wall surface material and the base material, the slit can be easily formed by a combination of the outer wall surface material and the base material, as compared with the case where the slit is provided on the outer wall surface material itself. Can do.
[0008]
In particular, when the slit is formed by a notch provided on the base material side, the base material is smaller in size and lighter than the outer wall material. Compared with the case where the notch is formed in the notch, the notch can be easily formed.
[0009]
In addition, an adhesive water-stopping material is provided in the back of each slit so as to stop water between the base material and the outer wall surface material, and both sides of the planar water-stopping material are in a water-stopping state to the adhesive water-stopping material. It should be sticky. In this case, the water-stopping action of the adhesive water-stopping material stops water between the base material and the outer wall surface material, and also stops both sides of the surface water-stopping material. Water can be surely prevented from entering the indoor side between the materials and beyond both sides of the planar water-stopping material, and the water-stopping performance can be improved. In addition, the adhesive water-stopping material that stops water between the base material and the outer wall material also stops the side of the planar water-stopping material, so it has a simple structure and exhibits high water-stopping performance. Can do.
[0010]
DETAILED DESCRIPTION OF THE INVENTION
Next, embodiments of the present invention will be described with reference to the drawings.
[0011]
In the water stop structure of the embodiment shown in FIGS. 1 and 2, 1 and 1 are adjacent left and right outer wall panels, 2 and 2 are slits, and 3 is a planar water stop material. Reference numeral 4 denotes a pillar as a building frame.
[0012]
As shown in FIG. 3A, each outer wall panel 1 is provided with a strip-like base material 6 extending in the vertical direction on the back side of the side edge portion of the outer wall surface material 5, and the back side of the base material 6. Is provided with a vertical panel frame 7 and integrated with screws or the like, and is a slit between the base material 6 and the outer wall surface material 5 that opens in the direction between the outer wall panels 1 and 1 and closes in the opposite direction. 2 is provided.
[0013]
In the present embodiment, the slit 2 is formed by a notch 6a provided on the base material 6 side as shown in FIG. The base material 6 is made of, for example, a foamed polystyrene resin or the like having water-stopping properties, and the notch 6a is formed by subjecting the base material of an integrated object to a notch process or a notch. It may be formed by integrally molding a base material having a base material, or by forming a base material in a laminated structure.
[0014]
And, as shown in FIG. 2 and the like, an adhesive water-stopping material 8 such as butyl for providing a water-stopping state between the base material 6 and the outer wall surface material 5 is provided at the back of each slit 2, 2. As shown in FIG. 1 (b), both sides in the width direction of the planar water-stopping material 3 are inserted into the pair of slits 2 and 2 and adhered to the adhesive water-stopping materials 8 and 8 in a water-stopping state. .
[0015]
In addition, when it is not easy to provide the adhesive water-stopping material 8 at the back position in the slits 2 and 2, in the manufacture of the outer wall panel 1, as shown in FIG. It is also possible to provide an adhesive water-stopping material 8 at the back position in the notch 6a, and then, as shown in FIG. 3 (a), the base material 6 and the outer wall surface material 5 are overlapped.
[0016]
The planar water blocking material 3 may be installed so as to be pushed between the outer wall panels 1 and 1 from the outdoor side, or may be installed by being inserted from above and slid downward. The planar water-stopping material 3 of the present embodiment is made of polypropylene resin or the like, has a cross-sectional “<” shape, and has both sides inserted into the pair of slits 2 and 2. By opening both wings 3a, 3a, both sides can be adhered to the adhesive water-stopping material 8, 8 with a margin. In order to open both wings 3a, 3a, a removable knob is provided on the inner peripheral side of the bent portion of "<", and the wings 3a, 3a are opened by pulling the knob from the outdoor side, to the adhesive waterproofing material 8, 8. After sticking, the knob may be cut off.
[0017]
Furthermore, in this embodiment, between the outer wall surface materials 5 and 5 of the adjacent left and right outer wall panels 1 and 1 is temporarily stopped by the dry gasket 9, and the planar water blocking material 3 is the secondary water blocking material. As provided. Instead of the dry gasket 9, the water may be temporarily stopped by wet sealing, or the space between the outer wall surface materials 5 and 5 may be set to zero or substantially zero to stop the water primarily. Alternatively, the primary wall may be stopped between the outer wall surfaces 5 and 5 in various forms. Moreover, it is good also as opening between the outer wall surface materials 5 and 5 and making the planar water stop material 3 into a primary water stop material.
[0018]
In the water stop structure, a slit 2 that opens in the direction between the outer wall panels 1 and 1 is provided between the base material 6 and the outer wall surface material 5 of each outer wall panel 1 between the adjacent left and right outer wall panels 1 and 1. Since the planar water-stopping material 3 is installed so that both side portions in the width direction thereof are inserted into the respective slits 2, the planar water-stopping material can be installed at the back position between the outer wall panels 1. In addition, the installation can be performed at a stage after the construction of the outer wall panels 1 and 1, and in addition, the planar water-stopping material 3 is inserted into the bottomed slits 2 and 2. Water between the outer wall panels 1 can be stopped.
[0019]
Further, since the slit 2 is provided between the outer wall surface material 5 and the base material 6, the slit 2 is formed between the outer wall surface material 5 and the base material 6 as compared with the case where the slit is provided in the outer wall surface material 5 itself. It can be easily formed by a combination. In particular, in this embodiment, since the slit 2 is formed by the notch 6a provided on the base material 6 side, the notch 6a is formed as compared with the case where the notch is formed on the outer wall surface material 5 side. Can be easily formed.
[0020]
In addition, an adhesive water-stopping material 8 is provided at the back of each slit 2, in this embodiment, at the back bottom of the slit 2, to stop the space between the base material 6 and the outer wall surface material 5. Since both side portions of the water material 3 are adhered to each adhesive water-stopping material 8, 8 in a water-stopped state, the water-stopping action of the adhesive water-proof material 8 stops between the base material 6 and the outer wall surface material 5. Further, both sides of the planar water-stopping material 3 are also water-stopped by the adhesive water-stopping material 8, so that the space between the base material 6 and the outer wall surface material 5, It is possible to reliably prevent water from entering the indoor side. In addition, the adhesive water-stopping material 8 that stops water between the base material 6 and the outer wall surface material 5 also stops the side portion of the planar water-stopping material 3, so that it can be firmly stopped with a simple structure. A water state can be formed.
[0021]
Furthermore, since the installation of a water stop material on the back side of the base material 6 is omitted, for example, at the boundary between the roof of the lower house and the outer wall above the roof, or on the foundation side of the outer wall panel, The edge side can be easily installed on the back side of the outer wall panel base material.
[0022]
Although the embodiment of the present invention has been described above, the present invention is not limited to this, and various modifications can be made without departing from the spirit of the invention. For example, in said embodiment, the case where the side part of the planar water-stopping material 3 is also water-stopped by the adhesive water-stopping material 8 which stops water between the base material 6 and the outer wall surface material 5 is shown. However, the adhesive waterproofing material 8, 8 may be omitted, and the both sides of the planar waterproofing material 3 may be simply inserted into the pair of slits 2, 2, for example, in such a case For the surface water-stopping material, a band plate-shaped material or a cross-sectional hat-shaped material may be used. In addition, the slit may be formed by a notch provided on the outer wall surface material side, or a notch provided on the outer wall surface material side and a notch provided on the base material side. It may be formed by a combination.
[0023]
【The invention's effect】
Since the present invention is as described above, the planar water blocking material can be installed at the back position between the outer wall panels, and the installation can be performed at a stage after the construction of the outer wall panels. In addition, the slit for realizing it can be easily formed by a combination of the outer wall surface material and the base material.
[Brief description of the drawings]
BRIEF DESCRIPTION OF DRAWINGS FIG. 1 shows a vertical joint waterstop structure of an embodiment, in which FIG. (A) is a plan sectional view, and (B) is an enlarged plan view of a main part.
FIG. 2 is an exploded plan sectional view of the same.
3A and 3B show an outer wall panel, in which FIG. 1A is a plan sectional view and FIG. 3B is an exploded plan sectional view.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... Outer wall panel 2 ... Slit 3 ... Planar water blocking material 5 ... Outer wall surface material 6 ... Base material 6a ... Notch 7 ... Panel frame 8 ... Adhesive water blocking material

Claims (3)

Between the adjacent left and right outer wall panels, a panel frame is provided on the edge back side of the outer wall surface material of both outer wall panels via a base material,
Between the base material and the outer wall surface material of each outer wall panel is provided with a slit that opens in the direction between the outer wall panels and closes in the opposite direction,
A planar water-stopping material is installed so that both sides in the width direction are inserted into each slit, and the space between the outer wall panels is between the outer wall surface material and the base material by the surface water-stopping material. A vertical joint water-stop structure between outer wall panels, characterized by being water-stopped. The water stop structure between the outer wall panels according to claim 1, wherein the slit is formed by a notch provided on the base material side. An adhesive water-stopping material is provided in the back of each slit to make the space between the base material and the outer wall material waterproof, and both sides of the surface water-proof material are adhered to the adhesive water-proof material in a water-stopped state. The vertical joint water stop structure between the outer wall panels according to claim 1 or 2.

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