JP4456445B2 - Double wall manufacturing method - Google Patents

Description

  The present invention relates to a method for producing a double wall.

As a wall panel of a wooden unit building, as described in Patent Document 1, an inner surface material is attached to the indoor side of a wall frame formed by assembling an upper frame, a lower frame, and a vertical frame, and on the outdoor side of the wall frame. There is one in which a first outer surface material is attached, and a second outer surface material is attached to the outside of the first outer surface material via a trunk edge. In this wall panel, a double wall is constituted by the first outer surface material and the second outer surface material, and an air flow passage is formed between the double walls, so that the ventilation performance of the building can be improved.
JP 2004-68496 A

In a wall panel provided with a double wall, in order to protect the wall lower end of the first and second outer surface materials, particularly the wall lower end of the second outer surface material constituting the outermost layer from rainwater and the like, It is necessary to apply paint to the lower end of the wall.

However, in the prior art, it is difficult to apply the paint to the back surface (the surface facing the first outer surface material) of the lower end portion of the second outer surface material.

That is, when the paint is applied to the back surface of the lower wall portion of the second outer surface material at the stage where the second outer surface material is attached to the outside of the first outer surface material, the lower end of the wall of the second outer surface material is used. The back surface of the part is covered with the first outer surface material, and it is difficult to apply the paint on the back surface with a painting roller or the like.

In addition, when the paint is applied to the back surface of the lower end portion of the wall of the second outer surface material in advance before attaching the second outer surface material to the outside of the first outer surface material, the second outer surface material In order to facilitate handling such as transporting, the curing period until the paint dries becomes long, and the productivity is poor.

The subject of this invention is to apply | coat a coating material simply to the back surface of the wall lower end part of the 2nd outer surface material which comprises the outermost layer of a double wall.

The invention according to claim 1 is a method of manufacturing a double wall in which the second outer surface material is attached to the outer side of the first outer surface material via the body edge, and the wall to which the body edge of the first outer surface material is fixed. A step of attaching a tape to be adhered to the upper surface of the trunk edge, a step of applying a paint on the upper surface of the tape, and a second outer surface material. A step of attaching the second outer surface material to the outside of the first outer surface material while sandwiching the tape at the lower end of the wall.

According to a second aspect of the present invention, in the first aspect of the present invention, a plurality of trunk edges are fixed in a range extending from one end side to the other end side of the lower end portion of the wall of the first outer surface material, and A gap is provided between them.

(Claim 1)
(a) The paint is applied to the upper surface of the tape that is attached to the upper surface of the body edge of the first outer surface material and is attached from one end side to the other end side of the lower end portion of the wall of the first outer surface material. ing. Therefore, when the second outer surface material is attached to the outside of the first outer surface material, the back surface of the lower end portion of the wall of the second outer surface material is pressed against the tape, and the paint on the upper surface of the tape becomes the wall of the second outer surface material. It is transferred to the back surface of the lower end. This
At the stage of attaching the second outer surface material to the outside of the first outer surface material, the paint can be easily applied to the back surface of the lower end portion of the wall of the second outer surface material.

(Claim 2)
(b) Even when there is a gap serving as an air flow passage between the trunk edge of the first outer surface material, the tape is extended to the upper part of the gap, and this space must be accommodated. The coating material can also be applied to the back surface of the lower end portion of the second outer surface material.

1 is a perspective view showing a wooden unit building, FIG. 2 is a cross-sectional view showing a wall structure taken along line II-II in FIG. 1, FIG. 3 is a wall panel, (A) is an overall perspective view, and (B) is a perspective view. 4 is a sectional view of the lower part, FIG. 4 shows a tape attaching process to the first outer surface material, (A) is an overall perspective view, (B) is an essential perspective view, and FIG.
FIG. 6 is a perspective view of a main part showing a coating application process to the tape, and FIG. 7 is an overall perspective view showing an attaching process of the second outer surface material. FIG.

The wooden unit building 1 in FIG. 1 is constructed by installing a plurality of building units 10 adjacent to each other in the left-right and up-down directions.

As shown in FIGS. 2 and 3, the building unit 10 is configured by standing a wall panel 30 on the outer edge of the floor panel 20.

As shown in FIG. 2, the floor panel 20 is configured by fixing a connecting member 22 around the lower surface of a floor frame 20 </ b> A composed of floor joists 21 and providing a floor material 23 on the upper surface of the floor frame 20 </ b> A.

As shown in FIGS. 2 and 3, the wall panel 30 has an inner surface member 34 attached to the interior side of the wall frame assembly 30A in which the upper frame 31, the lower frame 32, and the vertical frame 33 are assembled, and the chamber of the wall frame assembly 30A. A first outer surface material 35 is attached to the outside, and a second outer surface material 37 is attached to the outside of the first outer surface material 35 via a trunk edge 36. The wall panel 30 fixes a plurality of trunk edges 36 in a range extending from one end side to the other end side in the width direction of the first outer surface member 35, and provides a gap 36 </ b> A between adjacent trunk edges 36, 36. The first outer surface material 35 and the second outer surface material 37 constitute a double wall.

The wall panel 30 is provided with a heat insulating material 38 in the wall between the inner surface material 34 and the first outer surface material 35, and the first
A first air flow passage 39 </ b> A communicating with the upper and lower floors is formed between the outer surface material 35 and the heat insulating material 38.
In addition, the wall panel 30 forms a second air flow passage 39B communicating with the upper and lower floors via the gap 36A in the double wall between the first outer surface member 35 and the second outer surface member 37. To do. In the wall panel 30, when the gap 36 </ b> A is not provided between the adjacent trunk edges 36, 36, the second air flow passage 39 </ b> B may be formed via a through hole formed in the trunk edge 36. it can. Thereby, the wall panel 30 can ensure heat insulation performance and in-wall ventilation performance.

Accordingly, the wall panel 30 is formed at the lower end portion of the wall of the second outer surface member 37 that constitutes the outermost layer of the double wall (
In order to protect the lower end portion in the vertical direction of the second outer surface member 37 from rainwater or the like, it is manufactured as follows.

(1) Single-sided adhesive property that is adhered to the upper surface of the body edge 36 over the entire region from one end side to the other end side in the width direction of the lower end of the wall to which the 35 outer edge 36 of the first outer surface material is fixed. Alternatively, a tape 40 such as a plastic sheet having a double-sided adhesive property is attached (FIGS. 4 and 5). 4 shows a case where the first outer surface material 35 is continuous from one end side to the other end side of the lower end portion of the wall, and FIG. 5 shows that the first outer surface material 35 is the other end portion from the one end side of the lower end portion of the wall. The case where there is a missing part in a part of the range extending to the side is shown.

(2) The paint 41 is applied to the upper surface of the tape 40 of the above (1) using the painting roller 50 (FIG. 6).
). The paint is, for example, a sealant SF10 coat manufactured by Fujikura Kasei Co., Ltd., and makes it possible to prevent the penetration of rainwater into the second outer surface material 37 made of a wood chip cement board or the like.

(3) The second outer surface material 37 is nailed to the outside of the first outer surface material 35 while the tape 40 coated with the paint 41 of (2) is sandwiched between the lower end portions of the second outer surface material 37 and the like. And attach (FIG. 7). Thereby, the paint 41 on the upper surface of the tape 40 is transferred to the rear surface of the lower end portion of the wall of the second outer surface material 37.

In addition, a coating material can be separately applied also to the mouth and the surface of the lower end portion of the wall of the second outer surface member 37.
In addition, a paint can be separately applied to the front and back surfaces and the end of the lower end of the wall of the first outer surface material 35.

According to the present embodiment, the following operational effects can be obtained.
(a) On the upper surface of the tape 40 attached to the upper surface of the body edge 36 of the first outer surface material 35 and attached from one end side to the other end side of the lower end portion of the wall of the first outer surface material 35. Paint 41 is applied.
Accordingly, when the second outer surface material 37 is attached to the outside of the first outer surface material 35, the back surface of the lower end portion of the wall of the second outer surface material 37 is pressed against the tape 40, and the paint 41 on the upper surface of the tape 40 is 2 is transferred to the back surface of the lower end of the wall of the outer surface material 37. As a result, the second outer surface material 37 is replaced with the first outer surface material 3.
5, the paint 41 can be easily applied to the back surface of the lower end of the wall of the second outer surface member 37.

(b) A gap 36 </ b> A that forms an air flow passage 39 </ b> B between the trunk edge 36 of the first outer surface member 35.
Even if there is, the tape 40 is extended to the upper part of the space of the gap 36A, and the paint 41 can be applied also to the back surface of the lower end portion of the wall of the second outer surface material 37 corresponding to this space. .

The embodiment of the present invention has been described in detail with reference to the drawings. However, the specific configuration of the present invention is not limited to this embodiment, and even if there is a design change or the like without departing from the gist of the present invention. It is included in the present invention.

FIG. 1 is a perspective view showing a wooden unit building. FIG. 2 is a cross-sectional view showing a wall structure taken along line II-II in FIG. FIG. 3 shows a wall panel, (A) is an overall perspective view, and (B) is a lower sectional view. 4A and 4B show a tape attaching step to the first outer surface material, where FIG. 4A is an overall perspective view, and FIG. FIG. 5 is an overall perspective view showing a modification of the tape attaching step to the first outer surface material. FIG. 6 is a perspective view of an essential part showing a coating application process on a tape. FIG. 7 is an overall perspective view showing a second outer surface material attaching step.

Explanation of symbols

35 First outer surface material 36 Body edge 36A Clearance 37 Second outer surface material 40 Tape 41 Paint

Claims (2)

In the method of manufacturing a double wall in which the second outer surface material is attached to the outside of the first outer surface material via the trunk edge,
A step of attaching a tape to be attached to the upper surface of the trunk edge to the entire region from one end side to the other end side of the lower end of the wall to which the trunk edge of the first outer surface material is fixed;
Applying a paint on the upper surface of the tape;
Attaching the second outer surface material to the outside of the first outer surface material while sandwiching the tape at the lower end of the wall of the second outer surface material. A plurality of trunk edges are fixed in a range extending from one end side to the other end side of the lower end portion of the wall of the first outer surface material,
The method for producing a double wall according to claim 1, wherein a gap is provided between adjacent barrel edges.

Images