JPH0778347B2 - Exterior wall repair method - Google Patents

Description

TECHNICAL FIELD The present invention relates to a method for repairing existing walls of buildings and structures, for example, existing walls such as mortar walls, roof decks, wood board walls, steel plate walls, and slate walls.

[Conventional technology]

2. Description of the Related Art Conventionally, for example, repairing the outer wall of a house or a structure has been widely performed as a part of remodeling because of the number of years of construction. For example, to repair the mortar wall, remove the front part of the existing wall that should be repaired, wash the existing wall and repaint the mortar wall, or install a new outer wall material directly on the existing wall. It was a composition.

[Problems to be solved by the invention]

However, the outer wall structure modified by this method has the following drawbacks. That is, in the above, it takes time and money to destroy, remove, and install an existing wall, and the house must be discontinued. Also, in the above, it is possible to repair the existing mortar wall by cracking and peeling it off to form a beautiful outer wall, but this is not a fundamental improvement and is 4 to 5
It will take several tens of thousands of years for the repair work again. Furthermore, there is a disadvantage that the drainage and the starter must be newly provided on the base part, which is inferior in workability.

[Means for solving problems]

In order to eliminate such drawbacks, the present invention does not modify the existing wall at all, disposes the furring on the existing wall, and the base or the mounting base is flush with the surface of the furring. A thick batten is placed, a cover material with a U-shaped cross section is placed on the batten, and a drain port is provided in the storage part of the cover material to discharge rainwater to the outside. Inserting a building panel into the U-shaped part, covering and locking the edge of the building panel, improving the appearance aesthetics, and making the construction slower and easier, greatly reducing the construction period With
It proposes a method of renovating the outer wall, which does not stop the residence.

〔Example〕

An embodiment of an outer wall repairing method according to the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view showing an example of a repairing method according to the present invention. In particular, a new outer wall is laterally stretched, 1 is a stud, and 2 is an existing wall. To explain further, the existing wall structure is a structure including an existing wall 2 such as a mortar, a slate plate, a metal system, and a ceramic siding board on the outer surface of the stud 1. 3 is a furring strip for attaching a building panel 6 forming a wall surface to be described later, and nails from the upper end to the lower end of the existing wall 2 at a position substantially perpendicular to the surface of the existing wall 2 corresponding to the stud 1. It is to be set in. Reference numeral 4 denotes a sheet-like material, which extends over the surface of the existing wall 2 or the surface of the furring strip 3, and the material thereof is asphalt felt, terfelt, or the like, and mainly functions as a waterproof material. More specifically, the sheet-like material 4 is used as necessary depending on the state of the existing wall 2.
Reference numeral 5 is a heat insulating material, which is arranged between the furring strips 3 as required, and the material thereof is, for example, a board made of synthetic resin foam such as phenol foam or isocyanurate foam, gypsum board, or sheathing insulation. It is a board, a wood chip cement board, a particle board, a calcium silicate board, a glass wool, etc., or a composite thereof, which adds heat insulation, soundproofing, and fireproofing to a repair wall. The shape when the heat insulating material 5 is a molded body is the fifth
As shown in FIGS. (A) to (e), a rectangular parallelepiped shape having the same thickness as the thickness T of the furring strip 3 or a thinner thickness ((a)).
(Fig.), One side or both sides of the board 5a is covered with a waterproof surface material 5b ((b) figure), or the surface material 5b coated on one side of the board 5a is on one side of the board 5a or adjacent to it. It can be taken out from two sides ((c), (d) figure), or the shape of the heat insulating material 5 can be made into a wedge shape ((e) figure) according to the back surface of the building panel 6 described later. Reference numeral 6 denotes a building panel (hereinafter, simply referred to as a panel), which is a panel for laterally laying, and is arranged by driving it on the furring strip 3 with a nail α to form a repair wall surface. The shape is, for example, as shown in FIG. 3, a color steel plate, a stainless steel plate, a copper plate,
A surface material 7 made of an aluminum plate, a flat plate such as a galvalume steel plate, or an embossed thin metal plate is formed, and an engaging groove 8 is formed on the upper surface of the surface material 7, and an extension portion 9 for nailing is formed on the upper surface of the surface material 7. An engaging piece 10 is provided at the bottom of the surface material 7, and a particle board, a board made of synthetic resin foam, a gypsum board, a calcium silicate board, a glass wool board, a siding insulation board, a wood chip cement are provided on the back surface of the surface material 7 as required. A core material 11 made of a hard heat insulating material such as a plate is filled and adhered. Although not shown, the extension 9 may be provided with a hole for nailing. FIG. 2 is an explanatory view showing the structure of the base portion. In the figure, reference numeral 12 is a batten for arranging a cover material 13 which will be described later, and is a square wood whose surface is flush with the surface of the furring strip 3 and which has a base 18 or an existing wall structure. It is fixed on the surface of the attachment base 17. The cover material 13 is to be fixed to the batten 12 through the nail α, and is mainly used at the beginning of tensioning when the panel 6 is arranged, and covers the lower end portion of the panel 6 for waterproofing and makeup,
And functions to lock the panel 6. To explain further, the cover material 13 is made of a metal plate (Al, Fe, Cu) or one kind of extruded product as shown in FIG. It is formed from 15 and the decorative surface portion 16. Further, the mounting portion 14 has a tongue piece 14a formed at the upper end, and is mainly for nailing the cover material 13 to the surface of the hitting tree 12, and the storage portion 15 is the panel 6.
The lower end portion of the is accommodated, and drainage ports 15a and projections 15b for preventing leakage of rainwater are alternately formed. Further, the decorative surface portion 16 is 10 to 100 mm at the lower end portion of the panel 6.
The recess 16a is formed in a shape to cover the width in the height direction of the unit and to fill the caulking material β.
The opening width W of the storage portion 15 is substantially equal to the thickness t of the panel 6. Also, the cover material 13 has a long shape, for example,
It is 2424, 3030, 3636 mm, etc. Although not shown, the mounting portion 14 may be provided with a hole for driving nails. In addition, 17 is a base, 18 is a base, and 19 is a foundation.

Next, the construction method will be briefly described. First, in order to form the outer wall repair wall as shown in FIG. 1, the sheet-like material 4 is arranged on the surface of the existing wall 2 with nails α or joints.
Next, the furring strip 3 is driven by a nail α at a position corresponding to the stud 1 from the upper end to the lower end of the existing wall 2. Next 12
Are struck by nails α to the mounting base 17 which is the base of the existing wall structure. Next, the heat insulating material 5 is driven between the furring strips 3 with a nail α.
Next, as shown in FIG. 2, the mounting portion 14 of the cover material 13 is brought into contact with the surface of the hitting tree 12 and driven by the nail α. Next, insert the lower end of the first panel 6 into the storage portion 15 of the cover material 13 ,
It is fixed to the furring strip 3 via the nail α. Next, the engaging piece 10 of the panel 6 of the second step is fitted into the engaging groove 8 of the panel 6 of the first step, and the extension portion 9 is fixed to the furring strip 3 by the nail α. By repeating this in sequence, a new outer wall having excellent heat insulation, soundproofing and fireproofing is formed. Further, caulking material β is planted in the recess 16a in the base portion as shown in FIG. The caulking material β is made of any one of rubber type, hot melt type and synthetic rubber type. Therefore, in the base portion, the panel 6 and the cover material 13 close this gap by the caulking material β, so that the waterproof property is improved. Further, even if rainwater enters the storage section 15, it can be quickly discharged to the outside through the drain port 15a, and corrosion of the furring strip 3 and the like can be prevented. Although not shown, it is also possible to remove the support wood 12, attach the furring strip 3 to the base 17, and dispose the cover material 13 . Further, it is possible to arrange the furring strip 3 horizontally on the existing wall 2 and to vertically install the panel 6.

What has been described above is only one embodiment of the present invention, and the members shown in FIGS. 6 (a) to (n) and FIGS. 7 (a) to (n) can also be used. Sunamuchi Figure 6 (a)-
(N) is a modification of the panel 6, (a) ~ (k) is a panel 6 in which the back surface of the surface material 7 is filled with the core material 11, and the back surface is sandwiched by the back surface material 6a, (L) ~
(N) is a ceramic-based, concrete-based, ALC-based, or ceramic-based panel 6. Further, FIGS. 7A to 7N show a modified example of the cover member 13 , which is a modified example of the storage portion 15 and the drain port 15a. The shape of the drainage port 15a is a square, rectangle, triangle, circle, ellipse, or other deformation, the size is 1 mmφ to 10 mmφ in terms of diameter, and at least a part of the opening 15a is included in the bottom 13a. It is preferable that it is drained. Further, although not shown, when the furring strip 3 is attached to the base 17 and the cover material 13 is placed at the lower end thereof, the drain port 15a also functions as an air intake port for the air cycle, and the panel 6 and Condensation can be prevented by the flow of air in the middle of the existing wall 2.

〔The invention's effect〕

As described above, according to the outer wall repairing method according to the present invention, it is not necessary to dismantle the existing outer wall, so that it is possible to reduce the number of man-hours required for the construction, and the construction period can be significantly shortened. There is a feature that does not cause any trouble. Furthermore, since the furring strip is fixed to the existing wall structure during construction, it has sufficient strength to support the repair panel.
Further, since the cover material disposed on the base portion has a structure in which the lower end portion of the panel is fitted and inserted, it can be installed by dropping it into the storage portion regardless of the connecting portion of the panel and does not require skill. Further, according to the outer wall repair structure according to the present invention, a double wall structure of an existing wall and a new outer wall is obtained, and the heat insulating property is
It is characterized by a wall structure that is soundproof and fireproof.

[Brief description of drawings]

FIG. 1 is a perspective view showing an example of an outer wall repairing method according to the present invention, FIG. 2 is an explanatory view showing a base portion of the outer wall repairing method according to the present invention, and FIG. 3 is used for an embodiment according to the present invention. FIG. 4 is a perspective view showing an example of a building panel, FIG. 4 is a perspective view showing a cover material used in the same example, and FIGS. 5 (a) to 5 (e) are perspective views showing shape examples of heat insulating materials. (A)-(n) is explanatory drawing which shows the other modification of a construction panel, and FIG.7 (a)-(n) is explanatory drawing which shows the modification of a cover material. 2 …… Existing wall, 3 …… Furnace, 6 …… Architectural panel, 12…
… Amber, 13 … Cover material.

Claims (1)

[Claims] 1. A furring strip for mounting a new outer wall on an existing wall such as a mortar surface of a building, a structure, a roof deck, and a board covering is fixed to an existing wall surface, and a surface of the furring strip is attached to a base or a mounting base. A cover with a thickness of a flat surface and a roughly U-shaped cross section that locks the start of tensioning of the refurbished building panel on the surface, and a drainage port in the storage section. Material is disposed, the lower end of the long building panel is covered with the cover material and locked, and is attached to the outer surface of the furring strip in a direction orthogonal to the furring strip, and the building panels are sequentially mounted on the trunk. A method of repairing the exterior wall of a building, which is characterized by constructing a new exterior wall by attaching it to the outside surface of the edge.