JP2002276128A - Repair structure of exterior wall - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide the repair structure of an exterior wall being fixed at the lower end section of the external side face of an external facing material, covering the damage of the external facing material generated at the lower end section of the external side face of the external facing material while obstructing permeation into the external facing material of moisture by covering the lower end face of the external facing material and being capable of preventing the damage (frost damage) of the external facing material due to the breakdown of the external facing material by the freezing and expansion of moisture in the external facing material. SOLUTION: A facing 2 for repair composed of a surface decorative piece 21 covering the external side face 11 of the external facing material for the existing exterior wall and a lower horizontal piece 22 continuously connected to a rear from the lower end section of the surface decorative piece 21 is fixed at the lower end section of the external facing material 1, and the damage section S of the lower end section of the external side face 11 of the external facing material is covered with the surface decorative piece 21 while the lower end face 12 of the external facing material is covered with the lower horizontal piece 22.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a repair structure for an outer wall of a building.

[0002]

2. Description of the Related Art Conventionally, in order to repair the outer wall of a building, a decorative plate is attached to a damaged portion formed on the outer surface of the exterior material of the existing outer wall to cover and cover the damaged portion, or the outer surface of the exterior material is repaired. It is common practice to paint the entire surface or part of the surface, or change the exterior material. For the repair of the outer wall of such a building, various repair methods are adopted depending on the type and degree of a damaged portion generated on the exterior material of the outer wall. For example, there is a so-called frost damage as one of the damages caused to the exterior material of the outer wall. This means that the moisture impregnated in the exterior material freezes and expands during cold weather such as in winter, so that the exterior material is broken and damaged.

[0003] Damage to the exterior material due to frost damage is caused by freezing and expansion of the moisture impregnated in the exterior material. However, moisture is impregnated in the exterior material usually due to the fact that the moisture is applied to the outer surface of the exterior material. This is due to the permeation into the exterior material from the lower end surface or the like of the exterior material that has not been subjected to the waterproofing treatment. For this reason, damage to the exterior material due to frost damage often occurs at the lower end of the exterior material, and a decorative plate is fixed to the lower end of the exterior material outer surface to cover the damaged portion generated at the lower end of the exterior material outer surface. They were hiding and repairing them.

When such a decorative board is fixed to the lower end portion of the outer surface of the exterior material, it covers the damaged portion generated on the outer surface of the exterior material, but does not cover the lower end surface of the exterior material.
For this reason, in the conventional outer wall repairing structure using the decorative panel, even if the decorative panel is fixed to the lower end portion of the outer surface of the exterior material for repairing the exterior material, the exterior is still exposed. Moisture penetrated into the exterior material from the lower end face of the material, and the permeated water freezes and expands to destroy the exterior material, causing further damage to the exterior material.

[0005]

SUMMARY OF THE INVENTION The present invention has been made in view of the above points, and has as its object to be fixed to the lower end of the outer surface of the exterior material and to be fixed to the lower end of the outer surface of the exterior material. In addition to covering up the damage to the exterior material that has occurred in the exterior material, it also covers the lower end surface of the exterior material and prevents moisture from penetrating into the exterior material, and the moisture inside the exterior material freezes and expands and destroys the exterior material An object of the present invention is to provide a repair structure for an outer wall capable of preventing damage (freezing damage) to an exterior material.

[0006]

In order to solve the above-mentioned problems, a repair structure for an outer wall according to the present invention comprises a surface decorative piece 21 for covering an exterior material outer surface 11 of an existing outer wall and a lower end of the surface decorative piece 21. The decorative cosmetic material 2 for repair, which is composed of a lower lateral piece 22 connected to the back, is fixed to the lower end of the exterior material 1, and the surface decorative piece 21 covers the damaged portion S at the lower end of the exterior material outer surface 11. The lower horizontal piece 22 covers the lower end surface 12 of the exterior material. With such a configuration, the damaged portion S generated at the lower end portion of the exterior material outer surface 11 by the surface decorative piece 21 is formed.
In addition to covering the lower end surface 12 of the exterior material with a lower horizontal piece 22 connected to the lower side of the lower end portion of the surface decoration piece 21, moisture such as air containing water droplets and moisture may be covered by the lower end surface of the exterior material. 12 can be prevented from penetrating into the exterior material 1.

When the repairing decorative material 2 is fixed to the lower end of the exterior material 1, an elastic packing 3 is provided between the inner surface of the surface decorative piece 21 of the repairing decorative material 2 and the outer material outer surface 11. It is preferable to intervene. With such a configuration, even when the exterior material outer surface 11 has irregularities, when the repair cosmetic material 2 is fixed to the lower end portion of the exterior material 1, the surface decorative piece 21 and the exterior material outer surface 11 are fixed. Since the packing 3 sandwiched and compressed between the outer face 11 and the outer face 11 comes into contact without any gap along the irregularities on the outer face 11 of the outer material, moisture such as water droplets or moisture containing air is removed from the inner face of the surface decorative piece 21 and the outer material. It can be reliably prevented from entering between the outer side surface 11.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A repair structure for an outer wall according to the present invention will be described below with reference to the accompanying drawings.

First, an outline of an outer wall of a building will be described. The outer wall of the building is an outer side 4 of a wall member 4 such as an intermediate face plate.
1, an exterior material 1 is attached to an outer surface side 51 of the body edge 5, and an indoor side wall member 61 such as an inner surface plate is disposed on the indoor side of the wall member 4 via a space. At the same time, the space is filled with a filler 62 such as a heat insulating material. The exterior material 1 and the wall member 4 are arranged on a foundation 64 and a foundation covering portion 65 made of mortar for covering the outer surface and the upper surface of the foundation 64. A draining member 63 is provided below the exterior material 1 and the body edge 5 and above the basic covering part 65. The outer wall repairing structure according to the present invention includes a repairing decorative material 2 attached to an exterior material 1,
By preventing moisture from penetrating into the exterior material 1, the moisture permeating into the exterior material 1 is prevented from freezing and expanding to destroy the exterior material 1 (frost damage). 1 will be described.

In the present embodiment, the exterior material 1 is formed of ceramic, but is not particularly limited. Since the exterior material 1 is made of a porous ceramic material and easily permeates water, the exterior surface 11 of the exterior material is waterproofed to prevent moisture from penetrating. Not processed. The exterior material 1 is attached to the outer surface side of the body edge 5, and the lower end surfaces of the exterior material 1 and the body edge 5 are substantially flush. Although the lower end surfaces of the exterior material 1 and the body edge 5 are partially covered by the draining member 63 provided below the exterior material 1 and the body edge 5, the lower end surfaces of the exterior material 1 The end face is entirely exposed.

The exterior material 1 has a lower end surface 12 of the exterior material.
Is exposed, in cold weather such as winter in a cold region, moisture penetrating into the exterior material 1 from the lower end surface 12 of the exterior material that is not waterproofed freezes and expands, and the exterior material 1 is removed. Fig. 2
As shown in (1), the damaged portion S is generated at the lower end of the exterior material 1. Therefore, the repair cosmetic material 2 is fixed to the lower end portion of the outer surface 11 of the exterior material for repair.

The repair decorative material 2 is an angle material comprising a surface decorative piece 21 covering the lower end of the exterior material outer surface 11 and a lower horizontal piece 22 connected to the lower side of the lower end of the surface decorative piece 21. In this embodiment, it is formed of aluminum. The repair cosmetic material 2 is fixed to the lower end of the exterior material outer surface 11 with a fixing tool 7 such as a nail or a screw, and is formed on the lower end of the exterior material outer surface 11 by the surface decorative piece 21 of the repair cosmetic material 2. While covering and covering the damaged portion S, the lower end surface 12 of the exterior material is covered with a lower horizontal piece 22 that is continuously provided behind the lower end of the surface decorative piece 21,
This prevents water from penetrating into the exterior material 1 from the lower end surface 12 of the exterior material. At this time, as shown in FIG. 3, the surface decorative piece 2 of the repair decorative material 2 fixed to the lower end of the exterior material 1.
A packing 3 having elasticity may be interposed between the inner surface 1 and the outer surface 11 of the exterior material. In this manner, even when the outer surface 11 of the exterior material has irregularities, when the repair cosmetic material 2 is fixed to the lower end of the exterior material 1, the elastic packing 3 is attached to the repair cosmetic material 2. The packing 3 is interposed between the inner surface side of the surface decorative piece 21 and the outer surface of the exterior material 1, and the packing 3 is fixed by the fixing tool 7.
The packing 3, which is sandwiched between the inner surface and the outer material outer surface 11, and compressed in the thickness direction abuts without gaps along the unevenness of the outer material outer surface 11, so that moisture such as air containing water droplets or moisture is contained. Penetrates between the inner surface of the surface decoration piece 21 and the outer surface 11 of the exterior material, reaches the lower end of the exterior material 1, and further reliably prevents moisture from penetrating into the exterior material 1 from the lower end surface 12 of the exterior material. can do. Further, a caulking material 8 is filled in a gap between the upper end portion of the surface decorative piece 21 of the repair cosmetic material 2 fixed to the outer material outer surface 11 and the outer material outer surface 11, so that water droplets and It is possible to prevent moisture, such as air containing moisture, from entering between the inner surface of the surface decorative piece 21 and the outer surface 11 of the exterior material.

According to the above-described configuration, the surface decorative piece 21 covering the lower end of the exterior material outer surface 11 and the surface decorative piece 21
The repair material 2 in the form of an angle, which is composed of a lower horizontal piece 22 and a lower lateral piece 22 provided behind the lower end portion, is fixed to the lower end portion of the outer surface 11 of the exterior material to repair the existing outer wall. Lumber 2
The surface decoration piece 21 can cover the damaged portion S generated at the lower end of the outer surface 11 of the exterior material, and can also cover the surface decoration piece 2.
Covering the lower end surface 12 of the exterior material with a lower horizontal piece 22 provided continuously from the lower end of the exterior material 1 to prevent moisture such as air containing water droplets and moisture from penetrating into the exterior material 1 from the exterior material lower end surface 12. This prevents new frost damage, that is, water that has newly penetrated into the exterior material 1 from freezing and expanding and destroying the exterior material 1.

Further, the repair structure of the outer wall in the present invention is as follows.
It may be applied to an outer wall as shown in FIG. The outer wall shown in FIG. 4 is not provided with the draining member 63 and is not provided with the body edge 5 on the wall member 4 such as the intermediate panel, so that ventilation is not required. The caulking material 8 is filled between the upper portion of the portion 65 and the caulking material 8.

When the repairing decorative material 2 is fixed to the outer wall, first, the caulking material 8 filled between the lower end of the exterior material 1 and the upper surface of the basic covering portion 65 is peeled off. 1 is fixed to the outer surface 11 of the exterior material in the same manner as shown in FIG. 1, and then the caulking material 8 and the lower surface of the lower horizontal piece 22 of the repairing decorative material 2 and the base cover are fixed in the same manner as in FIG. Part 6
5 is filled between the upper surface 5 and the upper surface. By doing so, it is possible to reliably prevent moisture such as water containing water droplets and moisture from permeating into the exterior material 1 from the lower end surface 12 of the exterior material, and to newly prevent frost damage, that is, newly enter the interior of the exterior material 1. It is possible to prevent the permeated moisture from freezing and expanding and destroying the exterior material 1.

[0016]

As described above, according to the first aspect of the present invention, the surface decoration piece for covering the outer surface of the exterior material of the existing outer wall and the surface decoration piece are provided continuously behind the lower end of the surface decoration piece. Fixing the decorative material for repair consisting of the lower horizontal piece to the lower end of the exterior material, and covering the damaged portion at the lower end of the outer surface of the exterior material with the surface decorative piece,
Since the lower side piece covers the lower end surface of the exterior material, it is possible to cover the damaged portion generated at the lower end of the outer side surface of the exterior material with the surface decoration piece, and to continuously connect the lower part of the exterior decoration material behind the lower end part. By covering the lower end surface of the exterior material with a horizontal piece, water such as water droplets and moisture including moisture prevents penetration from the lower end surface of the exterior material into the exterior material,
It is possible to prevent frost damage, that is, to prevent the moisture permeated into the exterior material from freezing and expanding and destroying the exterior material.

According to the second aspect of the present invention, in addition to the effect of the first aspect, when the repairing decorative material is fixed to the lower end portion of the exterior material, the inner face of the surface decorative piece of the repairing decorative material is removed. Since the packing with elasticity was interposed between the outer surface of the exterior material, even if irregularities were formed on the outer surface of the exterior material,
When fixing the repair cosmetic material to the lower end of the exterior material, an elastic packing is interposed between the inner side of the surface decorative piece of the repair cosmetic material and the outer surface of the exterior material, and the packing is fixed to the surface by the fastener. Sandwiched between the inner surface of the decorative piece and the outer surface of the exterior material,
Since the packing compressed in the thickness direction abuts without gaps along the irregularities on the outer surface of the exterior material, water such as water droplets and moisture including moisture enters between the inner surface of the surface decorative piece and the outer surface of the exterior material. Thus, it is possible to reliably prevent moisture from reaching the lower end of the exterior material and permeating into the exterior material from the lower end surface of the exterior material.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view of an embodiment of an outer wall repair structure of the present invention.

FIG. 2 is a sectional view showing a state of an outer wall before repairing in the embodiment.

FIG. 3 (a) is a perspective view of a repair cosmetic material and packing used in the embodiment, and FIG. 3 (b) is a schematic cross section of an outer wall repaired using the repair cosmetic material and packing shown in FIG. FIG.

4A and 4B show examples of application of the outer wall repair structure of the present invention to another outer wall, wherein FIG. 4A is a cross-sectional view of the outer wall before repair, and FIG.
FIG. 4 is a sectional view of the outer wall after repair.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Exterior material 11 Exterior material outer surface 12 Exterior material lower end surface 2 Repair cosmetic material 21 Surface decoration piece 22 Lower horizontal piece 3 Packing 4 Wall member 41 Outside surface side of wall member 5 Body edge 51 Exterior surface side of body edge 61 Interior side wall member 62 Filler 63 Drainer 64 Foundation 65 Foundation cover 7 Fixing tool 8 Caulking material 81 Caulking material S Damaged part

Claims (2)

[Claims] 1. A repair decorative material comprising a surface decorative piece covering an outer surface of an exterior material of an existing outer wall and a lower horizontal piece connected to a lower side of the lower end of the surface decorative piece is fixed to a lower end of the external material. Then, while covering the damaged portion at the lower end of the outer surface of the exterior material with a face piece,
A repair structure for an outer wall, wherein the lower horizontal piece covers a lower end surface of the exterior material. 2. The method according to claim 1, wherein the repairing cosmetic material is fixed to a lower end portion of the exterior material by interposing an elastic packing between an inner surface of the surface decorative piece of the repairing cosmetic material and an outer surface of the exterior material. The outer wall repair structure according to claim 1, wherein