JP2000027449A - Exterior wall structure of building - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enhance the design and constructibility of the portion of the exterior wall structure of a building around a sash, in which structure new exterior wall panels are bonded to the existing exterior wall. SOLUTION: A new sash frame 5 is mounted in such a way as to overhang outward of a building beyond an existing sash 6, and the sash side end face of a new exterior wall panel 2 bonded to the surface of an existing exterior wall 1 is covered with the sash frame 5. A joint filler is packed between the sash side end face and the sash frame 5.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an outer wall structure in which a new outer wall panel is attached to an existing outer wall of a building.

[0002]

2. Description of the Related Art Conventionally, there has been known an outer wall structure in which an outer wall panel having a required exterior coating applied thereto is attached to the surface of an existing outer wall to refresh the outer wall of the building. In this case, no large-scale construction is required, and the necessary surface painting is performed in advance at the factory. There is a big advantage that there is no need to do it.

[0003]

However, when a new outer wall panel is attached to an existing outer wall as described above, the existing sash is recessed in the building toward the outer wall panel surface. The end face on the sash side of the outer wall panel attached to the peripheral portion of the sash is exposed, and the appearance in the peripheral portion of the sash is deteriorated. In addition, when a decorative material or the like is attached to each end face of the exposed outer wall panel so as to cover the end face, there is a problem that the number of steps is increased and the workability is deteriorated.

SUMMARY OF THE INVENTION In view of the foregoing, it is an object of the present invention to improve the design and workability of an existing sash, particularly in an exterior wall structure in which a new exterior wall panel is attached to an existing exterior wall of a building. And

[0005]

In order to solve the above-mentioned problems, according to the present invention, a new sash frame is attached so as to project outside the building from the existing sash, and the new sash frame is attached to the surface of the existing outer wall by the sash frame. The sash side end face of the new outer wall panel attached is covered, and a joint material is filled between the sash side end face and the sash frame.

The sash frame is formed by connecting a pair of left and right hollow vertical frame members and a pair of upper and lower hollow horizontal frame members in a rectangular frame shape. The sash frame is attached by screwing a screw inserted into the frame material into an existing outer wall or an existing sash. Further, the outer wall panel is formed by pasting a heat insulating material having a predetermined thickness on the back surface of the siding material.

[0007]

Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is an exploded perspective view of an outer wall structure according to an embodiment of the present invention, and FIG. 2 is a cross-sectional view of a main part of the outer wall structure. As shown in these drawings, the outer wall structure of the present embodiment is a house or a house. By directly bonding a new outer wall panel (2) to the existing outer wall (1) of an apartment or the like, the design of the outer wall surface, especially of the window sash portion, is renewed.

[0008] The outer wall panel (2) is made of a siding material (3) having a thickness of about 5 mm in which the surface is designed and painted with a design, for example, an embossed pattern, and the siding material (3). A heat-insulating material (4) having a required thickness, for example, a thickness of about 30 mm, is previously bonded to the back surface side. As the heat insulating material (4), for example, a hard foamed polystyrene resin or the like is used. This outer wall panel (2) is the same as the existing outer wall (1).
The size is appropriately set in accordance with the location where the sheet is pasted.

[0009] (5) is a new sash frame attached to the existing outer wall (1) so as to protrude outside the building from the existing sash (6). As shown in FIGS. 2 and 3, the sash frame (5) is a pair of left and right rectangular cylindrical vertical frame members (10).
(10) and a pair of upper and lower rectangular tubular horizontal frame members (11) and (11) are connected in a rectangular frame shape, and each of these frame members (10) (10)
(11) On the surface of (11), a pair of screw insertion holes (12) and (12) are respectively formed.

The frame members (10), (10), (11), (1)
From the holes (12) (12) for each screw insertion of 1), the frame material (10)
(10) The screws (13) (13) inserted in (11) and (11) are inserted into the existing outer wall
Existing exterior wall panel (14) or existing sash that constitutes (1)
The sash frame (5) is attached around the existing sash (6) by screwing it into (6). After the screw (13) is inserted, the screw (12) (12)
5) to block.

The existing outer wall panel (14) has an iron frame (16) having a U-shaped cross section, a siding material (17) attached to the front surface side of the iron frame (16), and also attached to the back surface side. Back plate (18)
And a heat insulating material (19) filled between the siding material (17) and the back plate (18), and when screwing the above screws (13) (13) into the existing outer wall panel (14), The sash frame (5) is screwed into the iron frame (16) to increase the mounting strength of the sash frame (5). Note that the existing outer wall panel (14) is fixed to the outer surface of the frame support (20) made of a channel steel.

The vertical frame member (1) of the sash frame (5)
At the time of mounting (0) and (10), as shown in FIGS. 3 and 4, the screws (13) and (13) inserted into the vertical frame members (10) and (10) are used to mount the vertical frame members (10) and (10). Attach the baseboards (22) and (22) to the back of the baseboard so that they protrude more laterally, and attach the part that protrudes to the side of the baseboards (22) and (22) to the existing exterior wall panel.
The screws (23) and (23) are fixed to the iron frame (16) of (14). Note that such attachment is used when the gap between the existing outer wall panel (14) and the vertical frame (21) of the existing sash (6), that is, the joint width is wide, as in the present embodiment.

After the sash frame (5) is attached in this manner, as shown in FIG.
The adhesive (24) is applied so as to be put on several places on the surface of 4), and the adhesive (24) is similarly applied in a bead shape on the four circumferences of the existing outer wall panel (14), and the existing outer wall panel is applied. The above-mentioned new outer wall panel (2) is bonded to (14) to perform construction. At this time, as shown in FIG.
The sash frame (5) projecting outward from the building covers the sash-side end surface (25) of the outer wall panel (2), and the existing sash (6)
Surrounding sash frame (5) and newly attached outer wall panel (2)
And are in a continuous state without discomfort. After filling the joint portion between the sash-side end face (25) of the outer wall panel (2) and the sash frame (5) with the joint filler (26), the synthetic resin sealing material (27) is used. Fits from outside.

FIG. 5 shows a state in which a sash frame (5) is attached to another type of existing sash (30). The existing sash (30) has a step (31) on its surface, and the joint width with the existing outer wall panel (14) is narrow. For this reason, the square pipe-shaped additive (32) is screwed to the step (31) of the existing sash (30) with screws (33) to eliminate the step on the surface, and the sash frame ( 5) screw (34) is stopped. In this case, the screws (34) inserted into the vertical frame member (10) of the sash frame (5) can be directly screwed into the existing sash (30) side. Not to be. In the drawing, (35) is a joint sheet that closes a joint between the existing outer wall panel (14) and the existing sash (30).

[0015]

As is apparent from the above description, according to the present invention, a new outer wall panel attached to the periphery of an existing sash is provided by a sash frame attached so as to project outside the building from the existing sash. Because the sash side end surface is covered, there is no need for complicated work such as attaching decorative materials to the sash side end surface surrounding the existing sash, and the uncomfortable feeling between the existing sash and the new outer wall panel via the sash frame. It can be continuous without. by this,
The appearance around the sash can be improved to improve the design, and the workability can be improved.

Also, since the sash frame is attached by screws inserted into the hollow frame material of the sash frame, the head of the screw is not exposed on the outer wall surface side, and thus the appearance is further improved. can do.
Furthermore, since the outer wall panel is formed by attaching a heat insulating material to the back surface of the siding material, the outer wall panel is not limited to simply remodeling the outer wall, but can improve the heat insulating performance and improve the comfort.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of an outer wall structure according to an embodiment of the present invention.

FIG. 2 is a cross-sectional view of a main part of the outer wall structure.

FIG. 3 is a perspective view showing a state when a sash frame is attached to an existing outer wall.

FIG. 4 is a perspective view showing a state where the attachment plate is attached to an existing outer wall.

FIG. 5 is a cross-sectional view of a main part when a sash frame is attached to another type of existing sash.

[Explanation of symbols]

 (1) Existing exterior wall (2) Exterior wall panel (3) Siding material (4) Insulation material (5) Sash frame (6) Existing sash (10) Vertical frame material (11) Horizontal frame material (12) Screw insertion hole ( 25) Sash side end surface (26) Joint filler (27) Sealing material

Continuing from the front page (72) Inventor Misao Okamoto 1-1-88 Oyodonaka, Kita-ku, Osaka City Inside Sekisui House Co., Ltd. (72) Inventor Takashi Shimada 1-188 Oyodonaka, Kita-ku, Osaka City Sekisui Ha Us Co., Ltd. F-term (reference) 2E001 AA02 AF01 BA03 BA04 CA01 CA02 CA03 2E011 KB03 KC02 KC03 KC04 KC08 KH01 2E110 AA02 AA42 AA52 AA57 AB04 AB22 AB33 BA02 BA12 BB04 BB23 BC02 CA07 CC04 DA12 DB01 DB27 DC02 GA37 AA19 AA21 BB25

Claims (3)

[Claims] 1. A new sash frame is attached so as to protrude outside the building from the existing sash, and the sash frame covers the sash side end surface of the new outer wall panel attached to the surface of the existing outer wall. Exterior wall structure of a building characterized by filling joint material between an end face and a sash frame. 2. The sash frame is formed by connecting a pair of left and right hollow vertical frame members and a pair of upper and lower hollow horizontal frame members in a rectangular frame shape. The outer wall structure of a building according to claim 1, wherein the sash frame is attached by screwing a screw inserted into the frame material into an existing outer wall or an existing sash. 3. The exterior wall structure of a building according to claim 1, wherein the exterior wall panel has a heat insulating material having a predetermined thickness attached to a back surface of a siding material in advance.