JPH06280367A - Exterior wall board joint processing member, and joint processing method using the exterior wall board joint processing member - Google Patents

Abstract

(57) [Abstract] [Purpose] To provide an outer wall board seam treatment material having a small number of working steps and preventing occurrence of cracks and the like, and a seam treatment method using the outer wall board seam treatment material. An outer wall board seam treatment material 1 is adhered to opposite end edges 12a of adjacent outer wall boards 12 so as to straddle both end edges 12a, 12a.
The adhesive layer 3 which is adhered to 2a and extends between the both end edge portions 12a, 12a and the reinforcing coating 5 are integrally formed, and the both end edges are formed between the adhesive layer 3 and the reinforcing coating 5. Part 1
The fluidized bed 6 was provided at a position corresponding to the range extending over 2a and 12a.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an outer wall board joint treatment material which is adhered between adjacent outer wall boards of a building or the like, and a joint treatment method using the outer wall board joint treatment material.

[0002]

2. Description of the Related Art Conventionally, as this type, there is one as shown in FIG. 4 (Japanese Patent Publication No. 2-137).
No. 02). This is done by adhering a tape 16 so as to cover the gap 14 between the outer wall boards 12 adjacent to each other, applying a broad cloth 18 which is wider than the tape 16 on the tape 16, and further forming a broad cloth on the plain cloth 18 by The elastic sealing material 20 is applied in a strip shape over a wide area.
After that, the exterior coating layer 22 is applied to the entire outer wall board 12.

[0003]

However, in such a conventional example, in order to prevent the occurrence of cracks, the elastic sealing material 2 is further applied after the gauze 18 is attached.
The work of applying 0 is required, and the workability is poor,
The coating thickness is likely to vary, causing cracks.

Therefore, the present invention has a small number of working steps,
An object of the present invention is to provide an outer wall board seam treatment material that prevents the occurrence of cracks and the like and a seam treatment method using the outer wall board seam treatment material.

[0005]

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and the invention described in claim 1 is such that the opposite edge portions of adjacent outer wall boards are opposite to each other. An outer wall board seam treatment material that is adhered so as to straddle between the adhesive layer, which is adhered to the end edge portion and extends between the both end edge portions, and an elastic seal material are integrally formed, and
The outer wall board seam treatment material is characterized in that a fluidized layer having a width narrower than that of the adhesive layer is provided between the adhesive layer and the elastic sealing material at a position corresponding to a range extending over the both edge portions.

According to a second aspect of the present invention, there is provided an outer wall board joint treatment material, which is adhered to opposite edge portions of adjacent outer wall boards so as to extend between the both edge portions. A pressure-sensitive adhesive layer that is adhered and extends between both end edges is formed integrally with the pressure-sensitive adhesive layer by laminating a plurality of layers of elastic sealing material, and between the plurality of layers of elastic sealing material The outer wall board seam treatment material is characterized in that a fluidized bed having a width narrower than that of the adhesive layer is provided at a position corresponding to a gap in an edge portion.

According to a third aspect of the present invention, the outer wall board seam treatment material according to the first aspect is attached so as to straddle the opposite edge portions of the adjacent outer wall boards, and then the outer wall board seam treatment material is applied. It is characterized in that it is a seam treatment method in which the surface of the outer wall board including is coated.

[0008]

[Operation] According to such means, an outer wall board seam treatment material in which an adhesive layer, an elastic sealing material and the like are laminated is prepared in advance, and the treatment material is bonded with an adhesive between adjacent end edges, All you have to do is apply a top coat. Therefore, it is possible to save the labor of separately providing the gauze 18 and the elastic sealing material 20 as in the conventional case, and improve the workability. Moreover, the thickness of the reinforcing coating does not vary, and the occurrence of cracks can be suppressed more than ever before.

Further, between the elastic sealing material and the adhesive layer, a fluidized layer is provided in a range extending over both end edges to prevent the elastic sealing material and the adhesive layer from being fixed at this portion. Even if the relative positions of the both edge portions are changed, it is possible to easily follow the stress and the stress is relieved.

Moreover, since the adhesive layer is provided so as to straddle both edge portions, swelling is prevented at the portion between the both edge portions.

[0011]

Embodiments of the present invention will be described below with reference to the drawings.

1 and 2 show a first embodiment of the present invention. The same members as the conventional ones will be described with the same reference numerals.

First, the structure will be described. In the figure, reference numeral 1 designates opposite edge portions 12a, 12 of adjacent outer wall boards 12.
It is an outer wall board seam treatment material that is adhered to a so as to straddle between both end edge portions 12a and 12a.

As shown in FIG. 2, the outer wall board seam treating material 1 has a belt-like shape with a constant width L2 (about 50 to 200 mm), and has double-sided release paper 2, adhesive layer 3, non-woven fabric 4, reinforcing coating 5, and flow. The layers 6 are laminated and configured. In this example,
The non-woven fabric 4 and the reinforcing coating 5 constitute an elastic sealing material.

The adhesive layer 3 has a recess 3a on the reinforcing coating 5 side.
Is formed, and the fluidized bed 6 is provided in the recess 3a.

Acrylic rubber, polychloroprene rubber, polyurethane rubber or the like is used as the material of the reinforcing coating 5, the thickness thereof is about 100 to 200 μ, and the material of the non-woven fabric 6 is nylon, polyester, rayon or polyacrylic. Acid ester, polypropylene, vinylon, polyethylene, polyurethane, cupra, etc. are used, their weight is about 15 g / m ² , acrylic resin, polyvinyl acetate, etc. are used as the material of the adhesive layer 3, and their thickness is 20- About 50 μm, and silicon or the like is used as the material of the fluidized bed 6, the thickness thereof is about 10 μm, and the width is about 10 to 20 mm. In addition, in order to facilitate understanding in the drawings, the ratio of the thickness to the width is made larger.

Next, a method of using the outer wall board seam treatment material 1 having such a structure will be described.

First, the outer wall board 12 is subjected to a base treatment, an undercoat is applied thereto, and the outer wall board joint treatment material 1 is attached. In this case, the double-sided release paper 2 is peeled off, and the adhesive layer 3 is adhered so as to straddle both end edge portions 12 a of both outer wall boards 12. After that, the top coating 7 and the drying are repeated from above to complete the process.

In this way, the adhesive layer 3, the nonwoven fabric 4, and the
It suffices to prepare the outer wall board seam treatment material 1 in which the reinforcing coating 5 and the like are laminated, to bond the treatment material 1 between the both end edge portions 12a, 12a adjacent to each other, and apply the top coating 7 thereon. Therefore, it is possible to save the labor of separately providing the gauze 18 and the elastic sealing material 20 as in the conventional case, and improve the workability. Moreover, the thickness of the reinforcing coating 5 does not vary, and cracking can be suppressed more than before.

Further, a fluidized layer 6 is provided between the reinforcing coating 5 and the adhesive layer 3 in a range extending over both end edges 12a, 12a to prevent the reinforcing coating 5 and the adhesive layer 3 from being fixed at this portion. Therefore, even if the relative positions of the both edge portions 12a, 12a are changed, they can be easily followed and the stress is relieved.

Moreover, the adhesive layer 3 is applied to both edge portions 12a, 12
Since it is provided so as to straddle a, the both edge portions 12a, 12
It is possible to prevent swelling in the portion between a.

FIG. 3 shows a second embodiment of the present invention.

This embodiment is compared with the above embodiment,
A reinforcing coating 8 as an elastic sealing material is further interposed between the reinforcing coating 5 and the adhesive layer 3. As a result, two layers of reinforcing coatings 5 and 8 are provided. This reinforcing coating 8 has a thickness of about 30 μ, and between the reinforcing coating 8 and the reinforcing coating 5,
A fluidized bed 6 made of a silicon material, which is a fluidized bed, is provided. The fluidized bed 6 is provided in a range straddling both end edge portions 12a, 12a, and has a width and thickness substantially similar to those of the first embodiment.

By providing the fluidized bed 6 in this way,
Since the reinforcement coating 5 and the reinforcement coating 8 are directly fixed to each other and the reinforcement coating 5 and the adhesive layer 3 are indirectly fixed to each other,
Similar to the first embodiment, even if the relative positions of the both edge portions 12a, 12a are changed, they can be easily followed and the stress is relieved.

The other structure and operation are the same as those of the first embodiment, and the description thereof will be omitted.

Although the embodiment of the present invention has been described with reference to the drawings, the specific configuration is not limited to this embodiment, and there are design changes and the like within a range not departing from the gist of the present invention. However, it is included in the present invention.

[0027]

As described above, according to the present invention, an outer wall board seam treatment material in which a non-woven fabric and a reinforcing coating are laminated is prepared, and the treatment material is bonded by an adhesive agent between adjacent end edges. All you have to do is glue it and apply a topcoat on it. Therefore, it is possible to save the labor of separately providing the gauze 18 and the elastic sealing material 20 as in the conventional case, and improve the workability. Moreover, the thickness of the reinforcing coating does not vary,
The occurrence of cracks can be suppressed more than ever before.

Further, between the elastic seal material and the adhesive layer, a fluidized layer is provided in a range extending over both end edges to prevent the elastic seal material and the adhesive layer from being fixed at this portion. Even if the relative positions of the both edge portions are changed, it is possible to easily follow the stress and relieve the stress.

Moreover, since the adhesive layer is provided so as to straddle both edge portions, it has a practically useful effect that swelling can be prevented in the portion between both edge portions.

[Brief description of drawings]

FIG. 1 is a cross-sectional view of a used state of the outer wall board seam treatment material of the present invention and a first embodiment of a seam treatment method using the outer wall board seam treatment material.

FIG. 2 is a cross-sectional view of an outer wall board seam treatment material showing the first embodiment.

FIG. 3 is a sectional view of an outer wall board seam treatment material corresponding to FIG. 2 showing a second embodiment of the present invention.

FIG. 4 is a cross-sectional view showing a conventional example.

[Explanation of symbols]

 1 Exterior wall board seam treatment material 3 Adhesive layer Elastic sealing material 4 Nonwoven fabric 5 Reinforcement coating 8 Reinforcement coating 6 Fluidized layer 7 Topcoat

Claims (3)

[Claims] 1. An outer wall board seam treatment material, which is adhered to opposite edge portions of adjacent outer wall boards so as to straddle both end edge portions, the end material being adhered to the end edge portions and the both end edges. An adhesive layer extending between the parts and an elastic sealing material are integrally formed, and the width between the adhesive layer and the elastic sealing material is narrower than that of the adhesive layer at a position corresponding to a gap between the both end edges. An outer wall board seam treatment material characterized by having a fluidized bed. 2. An outer wall board seam treatment material that is adhered to opposite edge portions of adjacent outer wall boards so as to straddle both end edge portions, the end wall portions being adhered to the end edge portions. A plurality of elastic sealing materials are laminated and integrally formed on the adhesive layer having an adhesive layer extending between the parts, and the elastic sealing materials of the plurality of layers correspond to the gaps at both end edges. An outer wall board seam treatment material, wherein a fluidized bed having a width narrower than that of the adhesive layer is provided at a position. 3. The outer wall board seam treatment material according to claim 1 or 2 is attached so as to straddle the opposite edge portions of adjacent outer wall boards, and then the outer wall containing the outer wall board seam treatment material. A seam treatment method characterized by applying a top coat to the surface of the board.