JPH0842006A - Air-permeable external wall panel and waterproof structure of underaly of the panel - Google Patents

Abstract

PURPOSE:To increase the waterproof function, by forming the lower end of the external wall of an external wall panel composed of the external wall and the internal wall parallelly arranged through a ventilation layer at a higher level than the lower end of the inner wall and detachably fitting a water drip at the lower end of the external wall. CONSTITUTION:The lower end of an external wall 2 is positioned higher than the lower end of an internal wall 3 and a cross-form material fittings 10 are fixed at the lower end of the external wall 2. A water drip 11 is detachably fixed to the metal fittings 10 with screws. The external wall panel 1 is erected so as to get in contact with an outdoor floor composed of a floor panel 13 and a waterproof layer 14. The waterproof layer made of a waterproof sheet like a vinyl chloride sheet laid on the outdoor floor 13 is arranged to rise along the ventilation layer 4 of the external wall panel 1. The upper edge of the rised part is inserted in a recess of a fixing metal tool 15 attached to the inner face of the internal wall 3 of the external wall panel 1 and a caulking material 16 is charged in the peripheral parts of the recess to fix it. Gasckets are independently fitted on the external wall 2 and the internal wall 3 respectively to make a double-cut off structure.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an outer wall panel and a waterproof structure of the lower part of the panel which can improve the waterproof performance in a building such as a house which is composed of the outer wall panel.

[0002]

2. Description of the Related Art Conventional exterior wall panels for buildings such as houses are
As shown in FIGS. 3A and 3B, a single-layer outer wall panel 51
Was used. Therefore, when the conventional outer wall panel 51 is used, the joint 52 formed between these is used.
The outer surface side of the above was filled with a sealing material 53 such as a wet caulking material and a gasket as shown in FIG. 3 (A) to form a waterproof wall.

Further, as shown in FIG. 3B, at the lower portion of the outer wall panel 51, a waterproof layer 55 laid on a floor 54 such as a veranda is erected along the outer surface of the outer wall panel 51, and further the waterproof layer 55. The upper edge of the rising portion of the above was inserted into the horizontal groove 56 formed in the lower portion of the outer wall panel 51, and caulking material 57 was filled around the horizontal groove 56 to provide waterproofing treatment. In the figure, 58 is a weight receiving metal fitting that supports the lower surface of the outer wall panel 51, and 59 is a Z-shaped metal object, which is attached to the outer wall panel 51 via bolts 60. 6
1 is a frame beam.

[0004]

However, since the above-mentioned conventional outer wall panel has a single-layer structure, the outer wall panel 51 has a single layer structure.
The water seal of the joint 52 between the joints 52 is damaged because the waterproof treatment is performed by the single sealing material 53 regardless of whether the wet sealing or the dry gasket is used. In some cases, there was a problem of immediate water leakage.

Further, when the outer wall panel 51 is provided in contact with the outdoor floor 54 such as a veranda, as described above, the waterproof layer 55 is used.
Since the rising part is connected and fixed to the surface of the outer wall panel 51, there is a problem that the water once entering the outer wall panel 51 cannot be discharged to the outside. Therefore, there has been a problem that waterproofing work of this portion becomes complicated and the work is difficult.

The breathable outer wall panel according to the present invention is a completely new technology developed in view of the above-mentioned conventional problems. In particular, the outer wall panel is formed by the outer wall and the inner wall which are juxtaposed via the breathable layer. Further, the present invention provides a technique of a breathable outer wall panel with improved waterproofness, which is constructed by attaching a water draining member to a predetermined position on the lower end of the outer wall panel.

The lower waterproof structure for an outer wall panel according to the present invention uses an outer wall panel composed of an outer wall and an inner wall which are arranged side by side through the above-mentioned ventilation layer, and the waterproof layer provided on the outdoor floor is provided on the ventilation layer side. The present invention provides a technique for waterproofing a lower part of an outer wall panel, which is configured so as to stand up along an inner wall of the inner wall and seal the upper end edge of the rising part on the inner surface of the inner wall.

[0008]

The breathable outer wall panel according to the present invention is a technique which has fundamentally improved the problems of the conventional wall panel described above, and the gist of the invention is to provide an outer wall and an inner wall. In a breathable outer wall panel having a vertical ventilation layer between them, a lower end of the outer wall is placed at a position higher than a lower end of the inner wall, and a draining member is detachably attached to the lower end of the outer wall. It is an outer wall panel.

The waterproof structure of the lower part of the panel according to the present invention is a technique which has fundamentally improved the problems of the above-mentioned conventional waterproof structure of the lower part of the wall panel. The gist of the invention is the breathability of claim 1. The outer wall panel is erected in contact with the outdoor floor, and the waterproof layer provided on the outdoor floor is raised along the ventilation layer side of the inner wall of the breathable outer wall panel, and the upper edge of the rising portion of the waterproof layer is the outer wall. It is a waterproof structure of the lower part of the breathable outer wall panel configured by sealing the inner surface of the inner wall of the panel.

[0010]

As described above, the outer wall panel according to the present invention is provided with the outer wall and the inner wall, and the ventilation layer is interposed between the outer wall and the inner wall. It can be made to flow down through the aeration layer without staying in. Further, the joints formed by the outer wall and the inner wall of the adjacent outer wall panels can be separately filled with joint materials such as gaskets, and each of them is individually sealed to form a double waterproof structure. You can Furthermore, since the lower end of the outer wall is positioned higher than the lower end of the inner wall, and a predetermined draining member is detachably attached to the lower end of the outer wall, it is possible to prevent wind and rain from flowing back into the ventilation layer and to invade the ventilation layer. The water inside can be discharged smoothly to the outside.

In the waterproof structure of the panel according to the present invention, the above-mentioned breathable outer wall panel is erected in contact with the outdoor floor, and the waterproof layer provided on the outdoor floor is erected along the ventilation layer side of the outer wall panel. The upper edge of the rising portion is sealed and fixed along the inner surface of the inner wall of the outer wall panel, so that all the water and dew condensation water that has entered the outer wall and the ventilation layer is passed through the waterproof layer provided on the outdoor floor. It can be discharged from the drain.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Referring to the drawings, one embodiment of the breathable outer wall panel and the waterproof structure of the lower portion of the panel according to the present invention will be described in detail. FIG. 1 is a cross-sectional view of the main parts of the breathable outer wall panel according to the present invention. FIG. 2 is a vertical cross-sectional explanatory view of the main part showing the outer wall panel and the waterproof structure of the lower part thereof.

1 and 2, reference numeral 1 denotes an outer wall panel, which is an outer wall 2 made of an ALC plate or a siding material, and the like.
Ventilation layer 4 between inner wall 3 such as a board having air permeability or moisture permeability such as wood fiber board, in addition to steel plate and aluminum plate
It is configured by interposing. A channel member 5 is inserted between the outer wall 2 and the inner wall 3, and the edge surfaces of the outer wall 2 and the inner wall 3 are held and fixed by the edge support metal member 6. The edge support metal 6 is a deformed metal formed by extrusion molding of an aluminum alloy or the like, and one edge of the edge support is embedded in and fixed to the outer wall 2, and the other edge is the edge of the inner wall 3. Is sandwiched between.

Further, a first gasket 7 made of a soft synthetic resin or the like is attached to the edge supporting metal member 6. 8
Is a second gasket fitted in the joint between the outer walls 2. The channel member 5 and the edge supporting metal member 6 are in contact with each other back to back and are joined to each other by a screw 9. In particular, as shown in FIG. 2, the lower end of the outer wall 2 is placed at a position higher than the lower end of the inner wall 3, and a cross-shaped mounting member 10 is fixed to the lower end of the outer wall 2, and the draining member 11 is attached to the mounting member 10. Is detachably attached via a screw 12. The vertical length of the draining member 11 is
It has such a size that the tip can be extended to an intermediate position between the lower end of the outer wall 2 and the lower end of the inner wall.

The outer wall panel 1 having the above structure is shown in FIG.
As shown in FIG. 3, the floor panel 13 and the waterproof layer 14 are erected in contact with an outdoor floor. Waterproof layer 14 made of a sheet waterproof material such as vinyl chloride provided on the outdoor floor
Is raised along the ventilation layer 4 of the outer wall panel 1, and the upper edge of the raised portion is inserted into the recess of the fixing fitting 15 attached to the inner surface of the inner wall 3 of the outer wall panel 1, and A caulking material 16 such as urethane type or modified silicon type is filled and fixed around the recess. In the figure, 17 is a waterproof packing for supporting the rising portion of the waterproof layer 14, 18 is a frame attachment fitting, 19 is an angle piece, 20
Is a frame beam.

As described above, in the outer wall panel 1 according to the present invention, the ventilation layer 4 is interposed between the outer wall 2 and the inner wall 3, so that the water invading from the outer wall 2 side flows down in the ventilation layer 4. It can be done. Further, since the gaskets 7 and 8 are attached to the outer wall 2 and the inner wall 3 independently of each other, a double waterproof structure can be configured, and even if the seal of the first gasket 7 is damaged, rainwater can be prevented. Can be prevented from entering the wall. Further, the draining member 1 is attached to the lower end of the outer wall 2.
Since 1 is attached, it is possible to prevent wind and rain from flowing back into the ventilation layer 4, and separately drain the water that has entered the ventilation layer 4 to the outside through the drain port 21.

In the waterproof structure of the lower part of the panel according to the present invention, the outer wall panel 1 is erected in contact with the outdoor floor, and the waterproof layer 14 of the outdoor floor is erected along the ventilation layer 4 of the outer wall panel 1. Since the upper edge of the rising portion is inserted and fixed in the recess of the fixing fitting 15 provided on the inner surface of the inner wall 3, and is caulked with the caulking material 16, the outer wall panel 1
All the water that has entered the outer wall 2 and the ventilation layer 4 and the dew condensation water generated on the back surface of the outer wall can be received by the waterproof layer 14 and smoothly discharged from the drainage channel of the outdoor floor. Also, since the draining part 11 is removable, caulking material 1
Construction of 6 is easy.

[0018]

Since the breathable outer wall panel and the waterproof structure of the lower part of the panel according to the present invention have the above-mentioned structure and function, they have the following great effects.

(1) Water or condensed water that has entered the outer wall or the ventilation layer can be easily and surely discharged through the ventilation layer. (2) The joints formed between the outer wall and the inner wall can be sealed independently of each other. (3) Therefore,
A double waterproof structure can be constructed. (4) The water draining member attached to the lower end of the outer wall can prevent wind and rain from invading the ventilation layer.

(5) A part of the waterproof layer of the outdoor floor can be easily set up along the ventilation layer. (6) Since the upper edge of the rising portion of the waterproof layer is fixed to the inner surface of the inner wall, all the water that has entered the outer wall and the ventilation layer can be received by this waterproof layer and discharged to the drain port on the outdoor floor. (7) Therefore, since the draining member is detachable, the construction of the waterproof layer and the caulking material at the joint portion between the outdoor floor and the outer wall panel can be facilitated and the waterproofing can be ensured.

[Brief description of drawings]

FIG. 1 is a cross-sectional explanatory view of a main part of a breathable outer wall panel according to the present invention.

FIG. 2 is an explanatory longitudinal sectional view of a main part showing an outer wall panel and a waterproof structure of a lower part thereof.

3 (A) and 3 (B) are cross-sectional explanatory views showing a conventional outer wall panel and a waterproof structure of a lower portion of the outer wall panel, respectively.

[Explanation of symbols]

1 Outer wall panel 2 Outer wall 3 Inner wall 4 Ventilation layer 5 Channel material 6 Small support hardware 7,8 Gasket 9 Screw 10 Mounting bracket 11 Draining member 12 Screw 13 Floor panel 14 Waterproof layer 15 Fixing bracket 16 Caulking material 17 Waterproof packing 18 Body mounting bracket 19 Angle piece 20 Frame beam 21 Drain port 51 Outer wall panel 52 Joint 53 Seal material 54 Floor 55 Waterproof layer 56 Horizontal groove 57 Caulking material 58 Self-supporting metal fitting 59 Z-shaped metal fitting 60 Bolt 61 Body beam

Claims (2)

[Claims] 1. A breathable outer wall panel having a vertical ventilation layer between an outer wall and an inner wall, wherein a lower end of the outer wall is placed at a position higher than a lower end of the inner wall, and a draining member is attached to and detached from the lower end of the outer wall. Breathable outer wall panel that is freely installed and configured. 2. The breathable outer wall panel according to claim 1, which is erected in contact with an outdoor floor, and a waterproof layer provided on the outdoor floor is raised along the breathable layer side of the inner wall of the breathable outer wall panel. A waterproof structure for a lower portion of a breathable outer wall panel, in which the upper edge of the rising portion of the waterproof layer is sealed on the inner surface of the inner wall of the outer wall panel.