JP2000352115A - Air-tight construction method for building - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an air-tight construction method for a building capable of easily spreading an air-tight sheet all over the ceiling of the building whose ceiling construction work is to be carried out in a site. SOLUTION: In an air-tight construction method for building having airtightness by spreading an air-tight sheet 6 all over the ceiling of the building, the air-tight sheet 6 is constituted by having a short width air-tight sheet 7 and a face air-tight sheet 8 stuck on a ceiling face 9, and before an upstairs floor section or a roof section 13 is provided on wall panels 22 and 23, the short width air-tight sheet 7 is prefabricated on the surfaces of the wall panels 22 and 23, and when the ceiling is constructed, the face air-tight sheet 8 is connected to the prefabricated short width air-sheet 7.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to an airtight construction method for improving the airtightness of a building.

[0002]

2. Description of the Related Art To improve the airtightness of a building, it is necessary to provide an airtight sheet on a ceiling surface. However, since the ceiling surface is divided by the wall panel that partitions the living space, airtightness cannot be secured over the entire ceiling surface. As a conventional building in which airtightness is ensured over the entire ceiling surface, a unit building described in JP-A-8-128111 is known. The unit building described in the above publication is
It is composed of a plurality of lower-floor building units and a plurality of upper-floor building units and the like arranged thereon, each between a lower-floor building unit and an upper-floor building unit, and between an upper-floor building unit and a roof. Airtight sheets spread over the entire upper and lower surfaces of the building unit for sound insulation and sound insulation.

[0003]

However, as in the case of the unit building described in the above-mentioned publication, when the building is constructed of a framed building unit which is framed in a box shape from columns and beams, a ceiling beam or the like is required. Because the ceiling surface is pre-formed, it is easy to lay the airtight sheet over the entire ceiling surface, but there is a unit building consisting of a wall-less building unit without ceiling with wall panels standing on floor panels and On the other hand, in a wall-type building, since ceiling construction is performed on site, it is difficult to lay an airtight sheet over the entire ceiling surface without a ceiling because there is no support for the airtight sheet. In addition, since the airtight sheet is laid all over the ceiling surface, the airtight sheet is wide and long, and there is a risk that the airtight sheet will be fanned by wind or the like when laying, and there will be a problem that two or three people work and workability is poor.

It is an object of the present invention to provide an airtight construction method for a building in which it is easy to lay airtight sheets over the entire ceiling surface of a building where ceiling construction is performed locally.

[0005]

According to the first aspect of the present invention,
An airtight sheet is laid over the living area divided by a plurality of wall panels standing on the floor, and on the entire ceiling surface of the building with the upper floor or roof provided above the living area. An airtight construction method for a building, wherein the airtight sheet comprises a short width airtight sheet and a face material airtight sheet attached to a ceiling face material, and an upper floor is provided on the wall panel. Before installing a floor or roof, a narrow airtight sheet is first attached to the upper surface of the wall panel, and after providing a floor or roof on the upper floor, a short airtight sheet is attached to the surface material airtight sheet during ceiling construction. And is made continuous.

According to a second aspect of the present invention, in the airtight construction method for a building according to the first aspect, the building includes a plurality of building units forming a living part and a roof unit forming a roof part. The building is characterized in that the building unit includes a floor panel and a wall panel erected on the periphery of the floor panel, and the short-width airtight sheet is attached to an upper surface of the wall panel of the building unit.

(Operation) According to the first aspect of the present invention, a short airtight sheet is first attached to the upper surface of the wall panel before the floor portion or the roof portion of the upper floor is provided on the wall panel. Or, after the roof is provided, the surface material airtight sheet attached to the ceiling surface material at the time of ceiling construction and the short width airtight sheet attached in advance are connected, so even if there is no support for the airtight sheet, the ceiling It becomes easy to lay an airtight sheet over the entire ceiling surface of the building where construction is performed on site. In addition, since the airtight sheet is configured to have a short width airtight sheet and a surface material airtight sheet stuck to the ceiling surface material, the risk of the airtight sheet being fanned by wind or the like at the time of laying can be reduced. Good nature.

[0008] In the invention according to claim 2, the short-width airtight sheet is pre-attached to the upper surface of the wall panel of the building unit. It becomes easy to spread.

[0009]

1 to 4 show an embodiment of the present invention. FIG. 1A is a perspective view of a unit building without a roof, and FIG. Perspective view of the seat, (c)
The figure is a plan view of a top-floor building unit group showing a portion where a short airtight sheet is attached. 2A is a side view of the unit building shown in FIG. 1, and FIG. 2B is a perspective view of the building unit. 3 (a) and 3 (b) are cross-sectional views taken along the line A in FIG. 1 (a) showing the procedure of the airtight construction method.
FIGS. 1A and 1B are cross-sectional views of a portion B of FIG. 1A showing the procedure of the airtight construction method.

In FIG. 2, 1 is a unit building, 2, 3
Is a building unit. The unit building 1 is shown in FIG.
(A) As shown in the figure, the lower-floor living space 11 (the first floor)
And an upper-floor living part 12 (second floor part) and a roof part 13. The lower-floor living section 11 is constructed by arranging the building units 2 and 3 on the foundation 4 adjacent to each other, and the upper-floor living section 12 is constructed by installing the building units 2 and 3 on the lower-floor living section 11. The roof unit 13 is constructed by mounting the roof units 5 and 5A on the upper-floor living unit 12. As shown in FIG. 2 (b), in the building unit 2, the wall panel 22 is erected on the long side of the rectangular floor panel 21 and the wall panel 23 is erected on the short side thereof. It is shaped like a letter. In addition, the building unit 3 includes the rectangular floor panel 2.
The wall panels 23 are erected on both short side sides of 1 and have a D-shape in plan view.

This embodiment is an airtight construction method for the above-mentioned unit building 1. As shown in FIG. 1 (a), an airtight sheet 6 is laid all over the top floor of the unit building 1 to make it airtight. Is what you do. The airtight sheet 6 includes a short-width airtight sheet 7 and a face material airtight sheet 8 attached to cover the entire surface of the ceiling face material 9. The short width airtight sheet 7 and the face material airtight sheet 8 are both formed of polyethylene having a thickness of 0.2 mm. The short width airtight sheet 7 is a long product having a width of 700 mm as shown in FIG.

Before the roof units 13 are provided by mounting the roof units 5 and 5A on the wall panels 22 and 23 of the top-floor building units 2 and 3 at the construction site, the upper surfaces of the wall panels 22 and 23 are provided. A short airtight sheet 7 is attached in advance,
Thereafter, after the roof portion 13 is provided, when the ceiling surface material 9 is pasted and the ceiling is constructed, the surface material airtight sheet 8 attached to the ceiling surface material 9 and the short width airtight sheet 7 attached thereto are connected.

More specifically, as shown in FIG.
In the three building units 2, 3, 2, and 3 on the top floor arranged on the left side on the paper surface and the four building units 2, 2, 3, and 2 on the top floor arranged on the right side, two adjacent short sides The narrow airtight sheet 7 is attached in advance to a portion a along the upper surfaces of the wall panels 23, 23 (see FIG. 3A). In the same manner as described above, the short airtight sheet 7 is also pre-attached to the upper surface of the long side wall panel 22 shown in the section b (see FIG. 4A), and overlaps the short airtight sheet 7 in the section a. To cross over.

At the time of the subsequent ceiling construction, as shown in FIG. 3 (b), the short width airtight sheet 7 attached at the portion a is sandwiched between the upper side surfaces of the wall panels 23, 23 by the edge 91. The edge 91 is attached, and a field edge receiver 92 is provided on the field edge 91 at right angles. Then, the ceiling panel 9 is pasted on the lower surface of the ridge 91.
The face material airtight sheet 8 and the pre-attached short width airtight sheet 7 are overlapped and continuous with the lower surface of the sheet 1.

As shown in FIG. 4 (b), the short airtight sheet 7 is also sandwiched between the upper edges of the wall panel 22 by the ridges 91 at the portion b, similarly to the portion a. A field edge 91 is attached, and a field edge receiver 92 is provided on the field edge 91 at right angles. Then, the ceiling panel 9 is pasted on the lower surface of the ridge 91, and the ceiling panel 9 and the ridge 91 are attached.
A sheet material airtight sheet 8 and a short-width airtight sheet 7 attached thereto are overlapped with each other between the lower surfaces of the sheets to be continuous.

In the wall panels 22, 23 (outer wall surfaces) facing the outdoor side of the unit building 1, an airtight sheet (not shown) provided inside the wall panels 22, 23 is pulled out from the upper surface. And it is made to be continuous with the face material airtight sheet 8 of the ceiling face material.

As described above, according to the airtight construction method of the unit building 1 of the present embodiment, before the roof portion 13 is provided on the wall panels 22 and 23, the short width airtight sheet 7 is provided on the upper surfaces of the wall panels 22 and 23. The ceiling surface material 9 at the time of ceiling construction
Since the face material airtight sheet 8 and the short width airtight sheet 7 attached thereto are connected continuously, even if there is no support for the airtight sheet 6 for the wall-type building units 2 and 3 without a ceiling, It becomes easy to lay an airtight sheet over the entire ceiling surface of the unit building 1 where the ceiling construction is performed locally. Further, since the airtight sheet 6 includes the short width airtight sheet 7 and the face material airtight sheet 8 stuck to the ceiling face material 9, the short width airtight sheet 7 is insulated by wind or the like at the time of laying. The danger of being damaged can be reduced and workability is good.

Although the embodiment of the present invention has been described in detail with reference to the drawings, the specific configuration 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. , Included in the present invention. For example, when the wall panels 22 and 23 shown in the embodiment are sound-insulating partitions, a sound-insulating sheet may be attached to the short airtight sheet 7 in an overlapping manner. When an electric wire or the like provided in the ceiling interferes with the short airtight sheet 7, the short airtight sheet 7 may be cut and passed, and then the cut portion may be repaired with an adhesive tape.

[0019]

According to the method for airtight construction of a building according to the first aspect, even if there is no support for the airtight sheet, it is easy to spread the airtight sheet over the entire ceiling surface of the building where the ceiling construction is performed locally. Become. In addition, the danger of the airtight sheet being fanned by wind or the like when laying can be reduced, and workability is good.

According to the second aspect of the present invention, the short airtight sheet is attached to the top surface of the wall panel of the top floor building unit. It becomes easy to lay the airtight sheet.

[Brief description of the drawings]

FIG. 1 is an embodiment of the present invention, in which (a) is a perspective view of a unit building without a roof, (b) is a perspective view of a short airtight sheet, and (c) is a short width. It is a top view of the top floor building unit group which showed the pasting part of the airtight sheet.

FIG. 2 (a) is a side view of the unit building shown in FIG. 1,
(B) The figure is a perspective view of the building unit.

FIGS. 3A and 3B are cross-sectional views taken along the line A in FIG. 1A showing the procedure of an airtight construction method.

FIGS. 4 (a) and 4 (b) are cross-sectional views taken along the line B in FIG. 1 (a) showing the procedure of the hermetic construction method.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Unit building 11 Lower-floor living part 12 Upper-floor living part 13 Roof part 2, 3 Building unit 21 Floor panel 22, 23 Wall panel 5, 5A Roof unit 6 Airtight sheet 7 Short airtight sheet 8 Panel airtight sheet 9 Ceiling surface Lumber

Claims (2)

[Claims] 1. A living room partitioned by a plurality of wall panels standing on a floor, and an entire ceiling surface of a building having an upper floor or a roof provided on the living room. Airtight construction method of a building to be airtight by laying an airtight sheet on the wall, wherein the airtight sheet has a short width airtight sheet and a face material airtight sheet attached to a ceiling face material, and the wall Before installing the upper floor or roof on the panel, attach a short width airtight sheet to the upper surface of the wall panel, install the upper floor or roof, and then attach it to the surface material airtight sheet during ceiling construction. Airtight construction method of a building, characterized in that continuous narrow airtight sheets are connected. 2. The building is a unit building comprising a plurality of building units forming a living part and a roof unit forming a roof part, wherein the building unit stands on a floor panel and on a periphery of the floor panel. The airtight construction method for a building according to claim 1, further comprising a wall panel provided, wherein the short-width airtight sheet is pre-attached to an upper surface of the wall panel of the building unit.