JPH0711717A - Formation of heat insulating wall - Google Patents

Abstract

PURPOSE:To prevent dewing by constructing a dry wall material by way of spraying a synthetic resin foaming body on the overall surface of a backing by means of fixing a plural number of roughly trapezoid furring strips on the backing and forming a space between the furring strips. CONSTITUTION:A board 2 consisting of styrene foam is laid all over a building frame alpha, and on this board 2, a wooden roughly trapezoid furring strip 3 is fixed at a pitch of the building frame alpha. Thereafter, on the upper surface of the furring strip 3, an adhesive tape is adhered, a synthetic resin foaming body 4 consisting of phenol urethane is sprayed and by peeling the adhesive tape, the foaming body 4 on the furring strip 3 is removed. Thereafter, by forming a space 5 by way of laying a waterproofing sheet 6 consisting of asphalt felt on the furring strip 3, a dry wall material is constructed. Consequently, it is possible to improve a heat insulating property and a waterproofing property.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for forming a newly constructed or refurbished heat insulating wall structure.

[0002]

2. Description of the Related Art Conventional heat insulating walls are made of glass wool or other step heating material formed between the bodies, a heat insulating board is formed on the surface of the body, and an in-situ foaming synthetic resin foam is formed between the bodies after wall formation. Filled ones, ones with in-situ foaming synthetic resin foam formed on the inside of the skeleton and the back of the skeleton and wall materials
For example, a space is formed between the body and the wall material to prevent dew condensation.

[0003]

However, due to the dew condensation, the glass wool becomes wet with a wet cloth, and the initial heat insulation performance cannot be expected with this wet glass cloth. Also, it takes a long time to install the heat insulation board, and the space between the skeleton and the wall material is created by the foam thickness, which reduces the fixing force and the wall surface becomes deformed, making the wall material unusable. There was a drawback that
Furthermore, although the condensed water is not stored between the skeleton and the wall material due to the formation of the space, it was not possible to fully utilize the heat insulating property of the wall material.

[0004]

In order to eliminate such drawbacks, the present invention fixes a plurality of substantially trapezoidal furring strips on a base on which a board is formed on a frame or a base made of existing walls. By forming a single-sided adhesive tape on the furring strip, spraying an in-situ foaming synthetic resin foam on the entire surface of the wall foundation and forming a space between the furring strips, then peeling the single-sided adhesive tape (EN) A method for forming a heat insulating wall in which the surface of the edge is exposed and a dry wall material is applied on the furring strip to improve the heat insulating property, the workability and the waterproof property, and prevent dew condensation.

[0005]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The method for forming a heat insulating wall according to the present invention will be described in detail below with reference to the drawings. FIG. 1 is a sectional view showing an example of a wall formed by the heat insulating wall forming method according to the present invention.
Is a substrate, 2 is a board, 3 is a substantially trapezoidal furring strip, 4 is a synthetic resin foam formed by in-situ foaming, 5 is a space, 6 is a waterproof sheet, 7 is a dry wall material, and 8 is an inner wall material.

The base 1 is formed by forming a board 2 on a new frame α, or by an existing wall.

The board 2 is as shown in FIG.
For example, a board made of synthetic resin foam such as styrene foam, polyurethane foam, polyisocyanurate foam, phenol foam, vinyl chloride foam, polyethylene foam, polystyrene foam, urea foam, or a composite of these synthetic resin foam sandwiched by sheet materials. Board, or gypsum board, cement board, calcium carbonate board, calcium silicate board, ceramic board, wood chip cement board, magnesium carbonate board, siding board, siding insulation board, plywood, etc., or composite board of these Is. These boards 2 have properties such as heat insulation, fire resistance, soundproofing, sound insulation and waterproofness.

The substantially trapezoidal furring strip 3 is as shown in FIG. 3, and is formed on the board 2 at a constant pitch, as shown in FIG. 1, vertically or horizontally (not shown).
Further, the trapezoidal shape of the furring strip 3 prevents the formation of a space in the contact portion between the furring strip 3 and the board 2 when the on-site foaming synthetic resin foam 4 described later is sprayed. The purpose is to prevent deterioration of heat insulation performance. In addition, furring 3
Serves as a fixed base of the dry wall material 7 described later.

The furring strip 3 is made of wood, artificial wood, steel (hollow pipe, etc.), plastic (hollow pipe), etc.

The synthetic resin foam 4 is formed by using an in-situ foaming type (in-situ blowing type) synthetic resin foam. Urethane foam (hard) is the main material, but it is flame-retardant class 2 and flame-retardant class 3 (JIS-A-132).
1) Accepted phenol polyol + isocyanate +
There are also flame-retardant materials (hereinafter simply referred to as phenol urethane).

The space 5 is an air cycle space or a space for discharging indoor humidity to the outside, and is for improving the durability of the house.

The waterproof sheet 6 is made of asphalt felt, asphalt roofing, windproof and moisture permeable sheet (sheet that allows moisture to pass through without passing air), polyethylene sheet, or the like, and is mainly for improving waterproofness. .

The dry type wall material 7 is a metal siding material, as shown in FIGS. 4 (a) to 4 (f) and 5 (a) to 5 (e).
It is made of ceramic siding material, ALC plate, PC plate and the like. These dry wall materials 7 have properties such as heat insulation, fire resistance, soundproofing, sound insulation, waterproofness, durability, and the like.

Here, a brief description will be given of a construction example of the heat insulating wall forming method according to the present invention. First, as shown in FIG. 6 (a), a board 2 made of styrene foam on a frame α is used.
Are formed on the entire surface.

Next, as shown in FIG. 6 (b), the substantially trapezoidal wooden furring strip 3 is fixed with a fixture such as a plurality of nails at the pitch of the frame α.

Thereafter, as shown in FIG. 6 (c), a single-sided adhesive tape 3a is attached to the upper surface of the furring strip 3, and then an in-situ foaming synthetic resin foam 4 made of phenol urethane is sprayed on the entire surface.

After the synthetic resin foam 4 is formed on the entire surface, the single-sided adhesive tape 3a is peeled off as shown in FIG. 6 (d) to remove the synthetic resin foam 4 on the furring strip 3.

Thereafter, as shown in FIG. 6 (e), a waterproof sheet 6 made of asphalt felt is laid on the furring strip 3 to form a space 5.

Next, the dry type wall material 7 as shown in FIG.
As shown in FIG. 1, the construction is completed on the furring strip 3 from the base toward the eaves, and the construction is completed.

Of course, in the case where the board 2 is formed on an existing wall, the board 2 does not have to be formed because a base for spraying the synthetic resin foam 4 exists.

As the base 1, the waterproof sheet 6 is formed on the frame α and the board 2 is removed, a heat insulating material such as glass wool is formed between the frames α, or the board 2 is formed on the surface of the frame α. It is optional, such as one in which the in-situ foaming synthetic resin foam 4 is formed between the indoor and the frame α later.

[0022]

As described above, according to the heat insulating wall forming method of the present invention, a highly heat insulating wall structure can be easily formed in a short time. Since the heat insulation layer made of synthetic resin foam is made of in-situ synthetic resin foam,
A space can be formed between the furring strips by simply spraying the furring strip on the base. Since the space is formed, this space can be used as a flow passage of an air cycle or an exhaust passage for discharging moisture from the inside to the outside.
Since the furring strip is formed into a substantially trapezoidal shape, a space is not formed between the furring strip and the base surface when a foamed synthetic resin foam or the like is sprayed on the spot, and a complete heat insulating layer can be formed. Features such as
effective.

[Brief description of drawings]

FIG. 1 is a cross-sectional view showing a construction state of a heat insulating wall forming method according to the present invention.

FIG. 2 is a perspective view showing a board used in the heat insulating wall forming method according to the present invention.

FIG. 3 is a perspective view showing a furring strip used in the heat insulating wall forming method according to the present invention.

FIG. 4 is a cross-sectional view showing a dry-type wall material used in the heat insulating wall forming method according to the present invention.

FIG. 5 is a cross-sectional view showing a dry-type wall material used in the heat insulation wall forming method according to the present invention.

FIG. 6 is a cross-sectional view showing a method for forming a heat insulating wall according to the present invention.

[Explanation of symbols]

 1 Base 2 Board 3 Furrow 3a Single-sided adhesive tape 4 Synthetic resin foam 5 Space 6 Waterproof sheet 7 Dry wall material 8 Inner wall material α skeleton

Claims (1)

[Claims] 1. A base on which a board is formed on a skeleton, or a plurality of substantially trapezoidal furring strips are fixed on a grounding consisting of existing walls, and a single-sided adhesive tape is adhered onto the furring strips, and the wall underlayment is formed. On-site foaming synthetic resin foam is sprayed on the entire surface and a space is formed between the furring strips, and then the one-sided adhesive tape is peeled off to expose the surface of the furring strip, and the dry wall is placed on the furring strip. A method for forming a heat insulating wall, characterized in that a material is applied.