JPH0762381B2 - Outer wall structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of use] The present invention relates to an outer wall structure formed by attaching a dry outer wall material on a new building or an existing outer wall through a specially shaped furring strip instead of a nail. It is about.

[Conventional technology]

In order to renovate the outer wall of a new wooden building, a new non-combustible building, or the outer wall of an existing building or existing house, the following structure was adopted. That is, in the former case, the structure in which the fixing portion of the dry outer wall material is fixed to the furring strip made of wood, steel square wood, square pipe, and C-shaped channel material with nails is common.

In addition, in the case of wooden construction, a wooden furring is newly constructed when the dry outer wall material is vertically stretched. In the latter case, the existing outer wall is completely removed and the dry outer wall material is fixed to the furring strip with nails to form a new wall.The existing outer wall is used as a base and the dry outer wall material is directly nailed to it. It is either a structure that is fixed via a wooden structure, a wooden furring strip on the existing outer wall, a furring strip made of C-shaped channels is fixed with nails or anchor bolts, and a dry outer wall material is fixed with nails or screws. It was

[Problems to be solved by the invention]

However, when forming an outer wall in a new construction, it is necessary to fix the dry outer wall material by driving nails in the case of wooden construction, and in the non-combustible structure, the dry outer wall material is fixed on the furring strip made of steel with screw screws. Therefore, the construction efficiency is poor, and as a result, there is a disadvantage that the cost is increased due to the extension of the construction period. In addition, when renovating the existing outer wall, the cost of the structure is enormous, the renovation period is long, and the residence must be stopped. There were drawbacks such as. In addition, the construction of (3) is not only difficult to construct concrete or the like and is inferior in workability, but also has the disadvantages of corrosion of the fixture due to waterproofness, dew condensation, and impermeability, and lack of heat insulation. further,
In this structure, the C-shaped channel is usually used, so that the cost is high and there are many places to be constructed. Moreover, the dry outer wall material is fixed by tapping screws at the portion that contacts the furring strip.
As a result, the work efficiency is poor, and there is a disadvantage that it is necessary to form a large fool hole especially when the expansion is large due to heat like aluminum.

[Means for solving problems]

In order to eliminate such drawbacks, the present invention forms a hat-shaped or ladle-shaped furring strip, and forms a fixing piece for fixing the dry outer wall material on the top surface of the shroud furring, and applies the dry outer wall material to the body. Is a construction in which the fixed piece engagement groove of the dry type outer wall material and the fixing piece of the furring strip, and the male and female mating structure of the dry type outer wall material are used to facilitate mounting and reduce the cost by shortening the construction period. It does not require any skill, and in addition, it eliminates fixtures such as nails, and can be attached so that the cosmetic surface does not change even if it is greatly deformed by heat like a metal siding material made of aluminum material. It proposes an outer wall structure.

〔Example〕

An embodiment of an outer wall structure according to the present invention, for example, a modified outer wall structure, will be described in detail with reference to the drawings. 1 (a) and 1 (b) are a partially cutaway perspective view showing a case where the outer wall structure according to the present invention is applied to a cement concrete wall, and a sectional view taken along the line ii, in which 1 is an existing outer wall, Concrete wall, mortar wall, tile wall, 2 is furring and existing outer wall 1
Vertical fixture with a certain pitch P on top, eg P = 300-450mm
21, which is fixed via anchor bolts, screw screws, and nails, for example. Reference numeral 7 denotes a dry type outer wall material, which is made of any one of a metal siding material 7a and a ceramic siding material 7b. More specifically, the furring strip 2 is made of a material such as a metal, a synthetic resin, or a material obtained by molding a metal with a synthetic resin in a shape as shown in FIG. 2, and is used for roll molding, extrusion molding, injection molding, press working, etc. Kind of
Alternatively, it is formed by combining two or more kinds.
That is, the fixing portion 3, the rising portion 4, the mounting surface 5, the fixing piece 6 formed by notching and bending the mounting surface 5 and projecting outward from the mounting surface 5, and the fixing portion 3 as necessary. It is formed to be longer than the mounting hole 3a provided, and its length L is
It is about 1818 mm to 7272 mm. The fixing pieces 6 are inserted into the fixing piece engaging groove 15 of the dry outer walls 7 to be described later, dry exterior wall materials 7
For fixing to the furring strip 2 and also to the existing outer wall 1 with a gap 6a, and a plurality of them in the same direction.
It is formed at a predetermined pitch P ₁ . The dry outer wall material 7 is
As shown in FIG. 3 as an example of the metal-based siding material 7a, a surface material 8, a male connecting portion 9, a female connecting portion 10, a core material.
18 and the back material 19 are formed in a sandwich structure. That is, the surface material 8 is aluminum, stainless steel,
A male type connecting portion 9 formed on one end edge and made of a kind of steel plate such as galvalume, galfan, colored zinc iron plate or the like, or a synthetic resin plate has a decorative surface 8a formed in a concave section of the surface material 8.
An insertion edge 11 having one end edge protruding outward, an engagement groove 12 having a U-shaped cross section formed by bending an end of the insertion edge 11 inward and outward. An engaging piece 14 in which the tip of the lower edge 12 of the 12 is bent and extended inward, and a fixing piece engaging groove 15 having a U-shaped cross section formed by the lower edge 13 and the engaging piece 14. is there. A tongue piece 14a is provided at the tip of the engaging piece 14 as needed. Further, the female connecting portion 10 is formed by a fitting groove 16 formed by bending the other end edge of the decorative surface 8a inward in a U shape, and a fitting piece 17 formed in the fitting groove 16. If necessary, a tongue piece 17a in which the tip of the fitting piece 17 is bent like a fit is provided. The tongue piece 17a sandwiches the backing material 19 in the figure, but it can be formed without sandwiching. More specifically, the engagement groove 12 engages with the fitting piece 17, the insertion edge 11 is inserted into the fitting groove 16, and the connection structure is doubled, thereby significantly improving waterproofness and airtightness. It will be improved. In addition, the shape of the decorative surface 8a is arbitrary, and the decorative surface 8a can be formed in two or more steps or can be formed with an inclination. The core material 18 is to fill a gutter-shaped portion surrounded by the surface material 8, the male connecting portion 9, and the female connecting portion 10, and specifically, is a synthetic resin foam,
For example, a resin for polyurethane foam, a resin for phenol foam, a resin for polyisocyanurate foam, a polystyrene foam, a phenol foam resin coated around perlite, and foamed by heating and pressurizing it, and a flame retardant for these, Addition of one or more flame retardant aids (borax, sodium metaborate, antimony trioxide, calcium carbonate, aluminum hydroxide, bentonite, pearlite grains, shirasu balloon, asbestos, various fibers), rock wool, or sheathing board , Glass wool, gypsum board, wood wool cement board, etc., and mainly functions as a new outer wall material, heat insulating material, soundproofing material, and waterproof material. Further, the core member 18 near the male connecting portion 9 is formed by cutting out the fixing piece 6 of the same edge 2 by an amount necessary for engaging with the fixing piece engaging groove 15 to form a concave groove 18a. Is. The backing material 18 is, for example, asbestos paper, kraft paper, asphalt felt, metal foil (Al,
Fe, Pb, Cu), synthetic resin sheet, rubber sheet, cloth sheet, gypsum paper, aluminum hydroxide paper, glass fiber non-woven fabric 1
The core material 18 is made of a single kind, or a laminate of two or more kinds of these, or a sheet-like material that is waterproofed.
It covers the back surface of the dry type outer wall material 7 to improve the mechanical strength of the dry outer wall material 7 itself, and also serves as a function of a non-combustible sheet, a waterproof film, a heat shield sheet, a water absorbing sheet, a soundproof sheet, a packing material and the like.

Here, the dimensions of the same edge 2 and the dry type outer wall material 7 will be described with reference to FIGS. 2 and 3. In the same edge 2 , the width of the fixing portion 3 is W ₁ , the width of the mounting surface 5 is W ₂ , H is h, width of the fixing piece 6 is W ₃ , length is l ₁ , pitch of the fixing piece 6 is P ₁ , mounting hole
The pitch of 3a is set to P _2, and the engagement groove 12 is formed in the dry outer wall material 7 .
L ₂ The distance from re back to Sakomien 11 the tip of a length l ₃ of the engaging piece 14, the length 1 ₄ of the fitting piece 17, the width of the recessed groove 18a l _5, the fitting piece Assuming that the distance from the tip of 17 to the deepest part of the engaging groove 12 is l ₆ , W ₁ = about 15 to 50 mm, W ₂ ≈ 20 to 50 mm, W ₃ = 10 to 50 mm
Position, h = 5 to 50 mm, l ₁ = 10 to 50 mm, P ₂ = 450 to 600 mm
And P ₁ ≈l ₆ , l ₁ ≈l ₂ ≈l ₃ ≈l ₄ , and l ₅ ≧ l ₁ . This relationship is to secure the dry outer wall member 7 to the same edge 2 and to form a wall body excellent in waterproofness, airtightness, earthquake resistance, and workability.

Next, the construction method will be described.

First, it is assumed that a repaired outer wall as shown in FIGS. 1 (a) and 1 (b) is formed. That is, the existing outer wall 1 is a concrete wall, the furring strip 2 is as shown in FIG. 2, and a steel plate is used as the material, and the thickness t is 2 mm. The dry type outer wall material 7 has the shape shown in FIG. Therefore, the furring strips 2 are pitched P to the existing outer wall 1 via the fixtures 21.
= 450 mm, a plurality of fixing pieces 6 are fixed so that the fixing pieces 6 are horizontally aligned. Next, a starter (not shown), a toe edge, etc. are fixed to the lower end (base side) of the furring strip 2 in the horizontal direction with screw screws. Then, at the same time as engaging the fitting piece 17 on the female connecting portion 10 side of the first-stage dry outer wall member 7 with the starter,
Engages fixed 6 of furring strip 2 to the fixing piece engaging groove 15 of the male coupling portion 9 side, to secure the dry exterior wall member 7 of the first stage on the furring strips 2.
Then at the same time engaging the second stage fitting pieces 17 of the dry outer walls 7 in the engaging groove 12 of the first stage of the dry outer walls 7, the fixing piece engaging groove 15 of the upper end of the furring strip 2 The fixing piece 6 is inserted to form the second stage wall body. Such a process is sequentially performed from the base to the eaves to form the new outer wall 20. It is necessary to use caulking material or a well-known accessory for parts such as projections, corners, eaves, and vertical joints. It is also possible to make the furring strip 2 function as a horizontal furring strip and form a new outer wall 20 by vertically lining it.

[Other Examples]

What has been described above is only one embodiment of the outer wall structure according to the present invention, and the furring strip 2 is formed as shown in FIGS. 4 (a) to (g) and FIGS. 5 (a) to (k). Or dry type outer wall material 7
6 (a) to (w), and FIGS. 7 (a) to (k).
Can be formed as shown in FIG. That is, FIG. 4 (a) shows a furring strip 2 formed by removing one fixing portion 3,
(B) is a furring strip formed by projecting one fixing portion 3 inward
2 , (c) is a furring strip 2 in which the fixing portion 3 is bent inward to form a C-shaped channel, and the mounting hole 3a is formed on the mounting surface 5.
(D) In the figure, a communication hole 4a is formed in the rising portion 4 to connect the spaces α formed at both ends of the furring strip 2 to each other, and in particular, a furring strip 2 which forms an air cycle path when it is constructed as a horizontal furring strip. , (E)
Shown on the back of the fixed part 3 is a long material or a seismic isolation material β made of a material having elasticity and rigidity to some extent, such as polyurethane rubber, arabic rubber, synthetic rubber, etc. The furring strip 2 shown in (f) is a furring strip 2 composed of two members. A fixing piece member 2a made of a substantially Z-shaped metal, synthetic resin or the like is formed into a hat-shaped long piece made of metal, synthetic resin or the like. The plate-shaped plate member 2b is fixed by spot welding, screws, bolts, etc., (g) shows the furring strip 2 consisting of three members, and the rectangular pipe 2d has a width wider than the fixing piece member 2a and the rectangular pipe 2d. The iron plate 2e is welded, screwed, or bolted. Further, FIG. 5 (a) is a furring strip 2 in which a tongue piece 6b is formed at the tip of the fixing piece 6, and FIG.
c, or a furring strip 2 formed with a concave strip (not shown),
(C) and (d) are furring edges 2 in which the fixing piece 6 is formed in a semicircular shape, a triangular shape, etc., (e) and (f) are shown with the fixing piece 6 inclined outward or inward. Formed furring strip 2 , (g), (h)
Figure furring strip 2 with the tip of the fixed piece 6 is formed by cutting a semicircular or corner, (i) Figure furring strip 2 formed as _{W 2 ≒ W 3, (j} ) drawing the top end The furring edge 2 is formed by bending upwards except ( 2 ), (k) shows that the tip of the fixing piece 6 is bent outward and extends to the mounting surface 5, and the fixing piece 6 is doubled to strengthen the strength. It is the furry rim 2 . Also, FIG. 6 (a)-
(W) The figure is a modification of the metal-based siding material 7a,
The drawings (a) to (k) particularly show the one for horizontal stretching, and the drawings (l) to (w) particularly show one for vertical stretching. Further, FIG. 7 (a)-
FIG. (K) shows an example of the ceramic siding material 7b, which is an ALC material, a ceramic material, a concrete material, a tile material, or the like. Of course, FIGS. 4 (a) to (g), FIGS. 5 (a) to (k), FIGS. 6 (a) to (w), and FIG. 7 (a).
It is also possible to form the outer wall structure by combining each of (k) to (k).

〔The invention's effect〕

As described above, according to the outer wall structure of the present invention, since the dry outer wall member having the fixing function is used for fixing to the furring strip, it is possible to easily and without using a fixture such as a nail. A new outer wall can be formed with high efficiency. By forming a space between the skeleton and the new outer wall, heat insulation and dew condensation prevention can be achieved by air permeability. In the case of renovation, the new outer wall can be formed without removing the existing outer wall, so that the renovation period can be shortened and the cost can be reduced without stopping the residence.
In the case of renovation, since a new outer wall is formed on the existing outer wall, a waterproof sheet is not required at the time of construction, and the waterproof function can be performed without concern. It can be installed regardless of vertical or horizontal tension. Since it is a drop-down method when it is laid horizontally, it can be securely fixed by the weight of the dry type outer wall material itself, and construction is easy. Even if a dry type outer wall material that uses a material that expands and contracts due to heat, such as aluminum material, is used, the decorative surface does not change. There are characteristics and effects.

[Brief description of drawings]

1 (a) and 1 (b) show an example of an outer wall structure according to the present invention. Partially cutaway perspective views and vertical sectional views, and FIGS. 2 and 3 are used for the outer wall structure according to the present invention. Partially cutaway perspective views showing an example of the furring strip as a member and a dry outer wall material, FIGS. 4 (a) to (g) and FIGS. 5 (a) (k) show other working examples of the furring strip. Partially cutaway perspective view, FIG.
(W) and FIGS. 7 (a) to (k) are explanatory views showing other examples of the dry type outer wall material. 1 …… Existing outer wall, 2 …… Furnace edge, 6 …… Fixing piece, 7 …… Dry outer wall material, 15 …… Fixing piece engaging groove, 20 …… New outer wall.

Claims (1)

[Claims] 1. An outer wall structure in which a dry outer wall material having a male / female connection structure is mounted on an outer wall or a frame composed of main columns, studs, etc., with furring edges fixed at regular intervals. The furring strip is formed in a hat-shaped or ladle-shaped cross section, and a fixing piece is formed on the top surface of the furring strip, a so-called mounting surface, which projects outward and is bent in a substantially L-shape in the same direction. Then
The dry outer wall material has a horizontally long metal plate or a synthetic resin plate as a surface material, a male connecting portion is formed at one end of the decorative surface of the surface material, and a female connecting portion is formed at the other end, and the back surface of the surface material is formed. A core material made of synthetic resin foam or the like is filled, and the back surface of the core material is covered with a sheet-shaped back surface material to form a sandwich structure. A fixed piece engaging groove having a U-shaped cross section is formed from an engaging groove formed by bending in a U shape, and a lower edge of the engaging groove and an engaging piece in which a tip of the lower edge is bent inward. The female type connecting portion is formed by a fitting piece projecting by bending the multi-end edge of the surface material outward and fixing the above-mentioned furring edge on the body, and fixing the furring edge to the fixing piece of the dry outer wall material. An outer wall structure characterized in that a fixing piece engaging groove is inserted and the dry outer wall members are integrally connected as an engaging groove and a fitting piece.