JP4466251B2 - How to repair the corner - Google Patents

Description

  The present invention relates to a method for repairing a corner of an outer wall of an existing building.

A sheet metal called an insertion corner sheet metal is arranged at the outer corner of the outer wall of an existing building, and the end surface of the outer wall siding facing the outer corner and the edges of the front and back are formed by the insertion corner sheet metal. Covering is described in FIG. 17 of JP-A-10-311130. FIGS. 1 to 7 of the same publication show, as a method of repairing the inserted corner sheet metal, after cutting and removing the outer exposed surface portion (cover surface) of the inserted corner sheet metal, a corner having a new L-shaped cross-sectional shape is shown. A repair method for nailing members is described.
Japanese Patent Laid-Open No. 10-311130

  The repair method disclosed in Japanese Patent Laid-Open No. 10-311130 is for eliminating the gap when the outer wall siding is warped due to aging and a gap is generated between the inserted corner sheet metal and the outer wall siding. Therefore, the clearance of the gap prevents the intrusion of rainwater from the corner, but the outer surface of the deteriorated outer wall siding remains as it is, and the aesthetic appearance is not improved.

  An object of this invention is to provide the method of renovating so that the beauty | look of a protruding corner part and an outer wall siding may fully improve.

  The method of repairing a protruding corner portion according to claim 1 is a method of repairing a protruding corner portion of an outer wall of an existing building, and the building has an existing outer wall siding on both right and left sides of the protruding corner portion. The left and right outer wall siding end faces are arranged orthogonally to each other at the protruding corners, and the outer wall siding end faces are covered with insertion corner sheet metal. The insertion corner sheet metal includes left and right insertion pieces that overlap the rear edges along the end surfaces of the left and right outer wall sidings, and left and right sides that are connected to the insertion pieces and overlap the end surfaces of the left and right outer wall sidings. The left and right front covering pieces that are connected to the front edge along the end face of each outer wall siding, and the front covering pieces are connected to each other, and the end faces of the outer wall siding are connected to each other. Hiding the space between In the method of repairing the projecting corner provided with the bar piece, the front covering piece and the cover piece are respectively removed by cleaving the inserted corner sheet metal in the longitudinal direction along the front edge of the wooden piece. A removing step, a protruding corner sheet metal mounting step for mounting a protruding corner sheet metal across the front edge of the left and right outer wall sidings, and a finishing step for finishing the outer surface of the outer wall siding and the protruding corner sheet metal It is characterized by.

  According to a second aspect of the present invention, there is provided a method for repairing a protruding corner portion according to the first aspect, wherein after the removing step, a sealant is applied between the piece pieces.

  According to a third aspect of the present invention, there is provided a method for repairing a protruding corner portion according to the first or second aspect, wherein the finishing process of the finishing step is tiled.

  The method for repairing the protruding corner portion according to claim 4 is the method according to claim 3, wherein after the protruding corner sheet metal mounting step, the adhesive is attached to one surface of the base tape made of non-woven fabric before tiling. The joint tape is adhered to the protruding corner sheet metal with the adhesive.

The method of repairing a protruding corner portion of claim 5 is a method of repairing a protruding corner portion of an outer wall of an existing building, and the building has an existing outer wall siding on each of the left and right sides of the protruding corner portion. In the method of repairing a protruding corner portion, wherein the left and right outer wall siding end faces are arranged at the protruding corner portion, the protruding corner sheet metal straddling the front edge along the end surface of the left and right outer wall siding And then finishing the outer surface of the outer wall siding , the finishing treatment being tiled, and the base tape made of non-woven fabric after the projecting corner sheet metal attaching step and before the tiled A joint tape formed by adhering an adhesive to one surface of the sheet is adhered to the protruding corner sheet metal with the adhesive .

  According to the method for repairing a protruding corner portion of claim 1, since the outer wall siding and the outer surface of the protruding corner sheet metal are finished after the protruding corner sheet metal is attached, the appearance of the outer wall siding including the protruding corner sheet metal is sufficiently improved. To do.

  According to the method for repairing a protruding corner of claim 2, the intrusion of rainwater from the protruding corner is sufficiently prevented.

  According to the method for repairing the protruding corner of claim 3, it is possible to obtain a tiled finish having a beautiful and excellent durability.

  According to the method for repairing the protruding corner portion of claim 4, the adhesion area with the tile is increased due to the minute unevenness on the tape surface, and the adhesion strength of the tile to the protruding corner sheet metal can be sufficiently increased.

The exterior corner siding including the projected corner sheet metal is sufficiently improved because the exterior corner siding and the outer surface of the projected corner sheet metal are finished after the projected corner sheet metal is attached by the method for repairing the projected corner part of claim 5 as well. To do. Further, it is possible to achieve a beautiful and durable tiled finish, and it is possible to sufficiently increase the adhesion strength of the tile to the protruding corner sheet metal.

  Embodiments of the present invention will be described below with reference to the drawings.

  FIG. 1 and FIG. 2 are a perspective view and a horizontal sectional view of a protruding corner portion of an existing outer wall. 3 and 4 are a perspective view and a horizontal view of the protruding corner portion in the initial stage of construction of the method for repairing the protruding corner portion according to the embodiment (the stage where the front cover piece and the cover piece of the inserted corner sheet metal are removed). It is sectional drawing. FIG. 5 is a horizontal sectional view in the middle of attachment of the protruding corner sheet metal to the protruding corner, and FIGS. 6 and 7 are a horizontal sectional view and a perspective view of the protruding corner after the protruding corner sheet metal is attached. FIG. 8 is a horizontal sectional view of the projected corner after the joint tape is attached to the projected corner sheet metal, and FIGS. 9 and 10 are a horizontal sectional view and a perspective view of the projected corner after the net is attached to the outer wall. It is. FIG. 11 is a horizontal cross-sectional view of the protruding corner after tiled (when repair is completed).

  As shown in FIGS. 1 and 2, existing outer wall sidings 1 and 1 are installed on the left side and the right side, respectively, across the protruding corner. As shown in the figure, the left and right outer wall sidings 1 and 1 extend in a direction orthogonal to each other across the protruding corner, and each end surface (cut end surface) faces the orthogonal direction to the protruding corner. It is arranged to face. The end surfaces of the left and right outer wall sidings 1 and 1 are respectively covered with insertion corner metal plates 2.

  As shown in FIG. 1 and FIG. 2, the insertion corner metal plate 2 has a rear edge along the end face of each of the left and right outer wall sidings 1, 1 (an edge portion on the back side of each outer wall siding 1, 1 Left and right plug pieces 3L, 3R that overlap each other), and left and right plug pieces 4L that are connected to the respective end pieces of the left and right outer wall sidings 1, 1 respectively. 4R and front piece 5L that is connected to each piece 4L, 4R and overlaps the front edge (the end edge on the front side of each outer wall siding 1, 1) along the end face of each of left and right outer wall sidings 1, 1 , 5R and the cover pieces 6 that connect the front covering pieces 5L, 5R and conceal the space between the end faces of the outer wall sidings 1, 1. The cover piece 6 forms a square surface that is continuous on the left side and the right side across the protruding corner.

  This insertion corner metal plate 2 is extended in the vertical direction along the column 7 at the projection corner, and the left and right insertion pieces 3L, 3R are formed on two side surfaces (outside corners) of the column 7 perpendicular to each other. Are arranged along the left and right side surfaces).

  Specifically, body edges 8 and 8 are attached to the left and right side surfaces across the protruding corner of the column 7, and the left and right sides of the insertion corner sheet metal 2 are attached to the left and right body edges 8 and 8. The insertion pieces 3L and 3R are overlapped and fixed with nails or screws or the like. The left and right sides of the protruding corners are inserted between the left insertion piece 3L and the front cover piece 5L and between the right insertion piece 3R and the front cover piece 5R so that the end of each outer wall siding 1 is inserted. The outer wall sidings 1 and 1 are installed respectively. Each outer wall siding 1 is fixed to the column 7 at the protruding corner by a nail, a screw, or the like as necessary.

  Next, a method for repairing the existing outer wall and the protruding corner will be described. In this embodiment, the existing outer wall and the protruding corner are repaired to a tiled finish.

  First, as shown in FIG. 3 and FIG. 4, the insertion corner sheet metal 2 is cleaved in the vertical direction by an electric cutter or the like along the front edges of the left and right side piece pieces 4L, 4R. Then, the front cover pieces 5L and 5R and the cover piece 6 of the insertion corner sheet metal 2 are removed. At this time, the front edge side of each lip piece 4L, 4R is cut out so that the remaining part of each lip piece 4L, 4R does not protrude from the front surface of the existing outer wall siding 1,1.

  Thereafter, as necessary, as shown in FIG. 5, a sealing material 9 is applied between the pieces 4L, 4R to seal the gap between them.

  Next, as shown in FIG. 5 to FIG. 6 and FIG. 7, the protruding corner sheet metal 10 is attached across the front edges of the left and right outer wall sidings 1, 1.

  In this embodiment, the protruding corner sheet metal 10 has an L-shaped cross section (horizontal cross section) as shown in FIGS. 5 and 6, and one half side and the other half side from the bent portion of the L shape. The left and right outer wall sidings 1 and 1 are overlapped on the front surface of the siding 1 and 1 and fixed with nails 11 or screws.

  The protruding corner sheet metal 10 is a long object and extends in the vertical direction along the protruding corner portion.

  5 to 9 and 11, the thickness of the protruding corner sheet metal 10 is slightly exaggerated, but the thickness of the protruding corner sheet metal 10 is very small. The thickness of the protruding corner sheet metal 10 is preferably about 0.3 mm. Therefore, there is little or no unevenness between the tiles attached in the finishing process due to the step between the front surface of each outer wall siding 1, 1 and the protruding corner sheet metal 10.

  Next, the joint tape 12 is affixed on the protruding corner sheet metal 10. The joint tape 12 is a single-sided adhesive tape in which butyl rubber is adhered or impregnated as an adhesive material on one surface of a base tape made of a strip-shaped non-woven fabric, and the non-woven fabric of the base tape is exposed on the other surface. Yes. The joint tape 12 having such a configuration has elasticity (cushioning properties) in both the thickness direction and the surface direction.

  The width of the joint tape 12 is larger than the distance from one side of the protruding corner sheet metal 10 through the outer surface of the protruding corner sheet metal 10 to the other side, and the joint tape 12 is attached. At this time, both side edges in the width direction are protruded from both sides of the protruding corner sheet metal 10 so as to overlap the front surfaces of the left and right outer wall sidings 1, 1 with the protruding corner sheet metal 10 interposed therebetween. In this way, by bonding the joint tape 12 across the protruding corner sheet metal 10 and the front surfaces of the outer wall sidings 1 on both sides thereof, the joint portion of both is sealed by the joint tape 12 and the waterproofness is improved. .

  Next, the double-sided adhesive tape 13 is attached to the front surface of each outer wall siding 1,1. This double-sided pressure-sensitive adhesive tape 13 is obtained by adhering or impregnating butyl rubber as an adhesive material on both surfaces of a base tape made of a strip-like nonwoven fabric. Thereafter, the synthetic resin net 14 is overlapped on the front surfaces of the left and right outer wall sidings 1 and 1 so as to go around the protruding corners, and is attached to the double-sided adhesive tape 13 and temporarily fixed. If necessary, a tucker 15 is driven into the outer wall siding 1 from above the net 14 to fasten the net 14 to the outer wall siding 1.

  The opening of the net 14 is preferably about 5 to 20 mm.

  In this embodiment, a plurality of nets 14 are continuously arranged side by side on the left and right. Below, the attachment procedure of the net | network 14 in this embodiment is demonstrated in detail.

  In this embodiment, first, a plurality of double-sided pressure-sensitive adhesive tapes 13 for adhering both side ends of each net 14 are pasted at intervals of one net between the tapes. Moreover, the double-sided adhesive tape 13 for attaching the middle part of each net | network 14 is also affixed as needed.

  Next, both side ends of the first net 14 are attached to the first double-sided adhesive tape 13 and the second double-sided adhesive tape 13 arranged at an interval of one net. Next, one side end portion of the second net 14 from the top of the first net 14 is attached to the second double-sided adhesive tape 13 in an overlapping manner. At this time, the tucker 15 may be driven through the side ends of the first and second nets 14 that overlap each other and the double-sided adhesive tape 13, and these may be integrally fastened to the outer wall siding 1. Next, the other side end portion of the second net 14 is attached to the third double-sided adhesive tape 13 arranged at an interval of one net from the second double-sided adhesive tape 13.

  Thereafter, the third and subsequent nets 14 are sequentially attached in the same procedure.

  Next, the screws 17 are driven into the outer wall siding 1 through the washer 16 at a predetermined driving pitch, and each net 14 is fixed to the outer wall siding 1.

  The washer 16 has a substantially disk shape having a diameter larger than the opening of the net 14. A screw insertion hole (not shown) is provided at the center of the washer 16. In this embodiment, the screw 17 is a countersunk screw, and the screw insertion hole has a tapered shape in which substantially the entire head of the screw 17 is fitted. For this reason, after screwing, the head of the screw 17 becomes non-projecting from the outward surface (surface opposite to the net 14) of the washer 16.

  Next, as shown in FIG. 11, an elastic adhesive 18 for tile bonding is applied so that the net 14 can be applied. As the elastic adhesive 18, a modified epoxy or modified silicon adhesive can be used.

  Thereafter, the tile 19 is pressed and bonded onto the elastic adhesive layer. Then, fill the joints as necessary.

  In this embodiment, an L-shaped accessory tile 19 'is attached to the protruding corner. As a result, the left outer wall and the right outer wall are tiled in a continuous manner across the protruding corner. In this embodiment, since the base metal tape (joint tape 12) made of a nonwoven fabric covers the protruding corner sheet metal 10 attached to the protruding corner part, the tile 19 'is positioned at the protruding corner part (the protruding corner sheet metal 10). Can be firmly attached to.

  According to the above method for repairing the protruding corner portion, after the protruding corner sheet metal 10 is attached to the protruding corner portion, the outer wall sidings 1 and 1 and the outer surface of the protruding corner sheet metal 10 are finished (tiled). The appearance of the outer wall siding 1 including the sheet metal 10 is sufficiently improved.

  In this embodiment, since the joint tape 12 having cushioning properties is provided across the protruding corner sheet metal 10 and each outer wall siding 1, 1, each outer wall siding 1 expands and contracts due to a temperature change or the like. Even if each outer wall siding 1 and the protruding corner sheet metal 10 are displaced, the stress applied to the tiles 19 and 19 ′ is absorbed by the joint tape 12 due to the displacement, so that the tiles 19 and 19 ′ are not cracked or peeled off. Is prevented.

  FIGS. 12 and 13 are a perspective view and a horizontal cross-sectional view after the protruding corner sheet metal is attached in the method of repairing the protruding corner according to another embodiment.

  In this embodiment, existing outer wall sidings 1, 1 are installed on both the left and right sides of the protruding corner portion, and protruding corner fittings 20 are interposed between the end surfaces of the left and right outer wall sidings 1, 1. Is attached to the protruding corner.

  The protruding corner fitting 20 includes left and right insertion pieces 21L, which overlap with rear edges (end edges on the back side of the outer wall sidings 1, 1) along the end surfaces of the left and right outer wall sidings 1, 1, respectively. 21R is connected to each insertion piece 21L, 21R, and the left and right side piece 22L, 22R which overlaps with the end face of each of the left and right outer wall sidings 1, 1, respectively, and each piece 26L, 22R are connected to each other. And a cover piece 23 that conceals the space between the end faces of each outer wall siding 1, 1. The front surface of the cover piece 23 is a square surface that is continuous on the left and right sides with the protruding corner portion in between. That is, the protruding corner metal fitting 20 is a front edge (front side of each outer wall siding 1, 1) along the end face of each of the left and right outer wall sidings 1, 1 from the existing insertion corner metal plate 2 in the above-described embodiment. The front cover pieces 5L and 5R respectively overlapping the edge portions of the first and second edges are omitted.

  Specifically, the trunk edges 8, 8 are attached to the left and right side surfaces across the protruding corner of the column 7 at the protruding corner, and the protruding corner fitting 20 is attached to the left and right trunk edges 8, 8. The left and right insertion pieces 21L and 21R are overlapped and fixed with nails or screws or the like. The outer wall sidings 1 and 1 are respectively installed on the left and right sides of the protruding corner fitting 20 so that the end surfaces of the outer wall sidings 1 are brought into contact with the left and right end pieces 22L and 22R. A back-up material 24 made of foamed polystyrene or the like is interposed between the end pieces 22L, 22R and the end surfaces of the outer wall sidings 1, and a sealing material 25 is filled from the front side of each outer wall siding 1. . Each outer wall siding 1 is fixed to the column 7 with nails, screws or the like.

  When repairing the existing outer wall and the protruding corner, the protruding corner sheet metal 10 is placed over the front edge of the left and right outer wall sidings 1, 1 from the top of the cover piece 23 of the protruding corner metal fitting 20, and a nail or a screw. Fix to each outer wall siding 1 with etc.

  Thereafter, a joint tape 12 (not shown) is affixed on the protruding corner sheet metal 10, or a net 14 (not shown) is attached to the front surface of each outer wall siding 1, and then the protruding corner sheet metal 10 and each outer wall siding. A finishing process such as so-called coating or tiling is performed on the front side of 1. The procedure for repairing the protruding corner and the outer wall after the protruding corner sheet metal 10 is attached to the protruding corner is the same as that in the above-described embodiment, and detailed description thereof is omitted.

  Also in this embodiment, after the protruding corner sheet metal 10 is attached to the protruding corner portion, the outer wall sidings 1 and 1 and the outer surface of the protruding corner sheet metal 10 are subjected to finishing treatment. Appearance is sufficiently improved.

  In addition, in the protruding corner portion of the existing outer wall in this embodiment, a layer of the sealing material 25 is interposed between the protruding corner fitting 20 and each of the left and right outer wall sidings 1, 1. . If the finishing process is performed directly without attaching the protruding corner sheet metal 10 to the protruding corner portion of the existing outer wall, the protruding corner metal fitting 20, the sealing material 25, and the outer wall siding 1 are made of different materials. As a result, unevenness tends to be conspicuous in the finish layer between each. In particular, when tiles are pasted over these three parts as finishing treatment, the tiles are likely to be cracked or peeled off due to thermal expansion / shrinkage at different thermal expansion coefficients.

  According to the refurbishing method of the present invention, the projected corners straddle the front edges of the left and right outer wall sidings 1, 1 across the projected corners (that is, cover the projected corner fitting 20 and the layer of the sealing material 25). After the sheet metal 10 is attached, a finishing process is performed on the projecting corner sheet metal 10 and each outer wall siding 1, so that a beautiful finished surface can be formed.

  Each of the above embodiments shows an example of the present invention, and the present invention is not limited to each of the above embodiments.

  In the present invention, a finishing process other than tiling may be performed. In the present invention, for example, so-called coating finish may be performed.

It is a perspective view of the protruding corner part of the outer wall of the existing building. It is a horizontal sectional view of the corner of the outer wall of an existing building. It is a perspective view of the protruding corner part in the construction initial stage of the method for repairing the protruding corner according to the embodiment. It is a horizontal sectional view of the protruding corner portion in the construction initial stage of the method for repairing the protruding corner according to the embodiment. It is a horizontal sectional view in the middle of attachment to the protruding corner of the protruding corner sheet metal. It is a horizontal sectional view of the protruding corner portion after mounting the protruding corner sheet metal. It is a perspective view of the protruding corner portion after mounting the protruding corner sheet metal. It is a horizontal sectional view of the protruding corner after the joint tape is attached to the protruding corner sheet metal. It is a horizontal sectional view of the protruding corner after the net is attached to the outer wall. It is a perspective view of the protrusion corner part after the net attachment to an outer wall. It is a horizontal sectional view of the protruding corner after tiled (when repair is completed). It is a perspective view after the fitting of a protruding corner sheet metal in the method of repairing a protruding corner according to another embodiment. It is a horizontal sectional view after the protrusion corner metal plate attachment in the repair method of the protrusion corner part which concerns on another embodiment.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Outer wall siding 2 Insertion corner sheet metal 3L, 3R Insertion piece 4L, 4R Wood piece 5L, 5R Front covering piece 6 Cover piece 7 Column of exit corner 8 Body edge 9 Sealing agent 10 Exit corner sheet metal 12 Joint tape 13 Both sides Adhesive tape 14 Net 15 Tucker 16 Washer 17 Screw 18 Elastic adhesive 19, 19 'Tile 20 Outlet fitting 21L, 21R Insertion piece 22L, 22R End piece 23 Cover piece 25 Sealing material

Claims (5)

A method of repairing the outer corner of an outer wall of an existing building,
In the building, existing outer wall sidings are respectively installed on the left and right sides across the protruding corner, and the end surfaces of the left and right outer wall sidings are arranged orthogonally to each other at the protruding corner,
The end face of each outer wall siding is covered with an insertion corner sheet metal,
The insertion corner sheet metal includes left and right insertion pieces that overlap the rear edges along the end surfaces of the left and right outer wall sidings, respectively.
The left and right cuff pieces that are connected to the insertion piece and overlap the end surfaces of the left and right outer wall sidings;
The left and right front covering pieces that are continuous with the end piece and overlap the front edge along the end face of each outer wall siding;
In the method of repairing the projecting corners, the front cover pieces are connected to each other, and the cover pieces cover the space between the end faces of the outer wall siding.
A removal step of removing the front covering piece and the cover piece by cleaving the insertion corner sheet metal in the longitudinal direction along the front edge of the piece of the mouthpiece,
A protruding corner sheet metal mounting step of mounting a protruding corner sheet metal across the front edge of the left and right outer wall sidings;
A finishing step of performing a finishing treatment on the outer surface of the outer wall siding and the protruding corner sheet metal;
A method for repairing a protruding corner, characterized by comprising:   The method for repairing a protruding corner according to claim 1, wherein after the removing step, a sealant is applied between the pieces of the mouthpiece.   3. The method of repairing a protruding corner according to claim 1, wherein the finishing process of the finishing process is tiled.   The joint tape obtained by attaching an adhesive to one surface of a base tape made of nonwoven fabric after the protruding corner sheet metal attaching step and before tiling is attached to the protruding corner sheet metal by the adhesive. A method for refurbishing the corner of the corner, which is characterized by being attached to the surface. A method of repairing the outer corner of an outer wall of an existing building,
In the method of repairing a corner where the existing outer wall siding is installed on each of the left and right sides of the projecting corner, and the end surfaces of the left and right outer wall sidings are arranged at the projecting corner. ,
Attach out corner sheet metal across the front edge along the end face of the left and right outer wall sidings,
Thereafter, a method of performing a finishing treatment on the outer surface of the outer wall siding ,
The finishing treatment is tiled,
After the projecting corner sheet metal attaching step, before tiling, a joint tape formed by attaching an adhesive to one surface of a base tape made of nonwoven fabric is adhered to the projecting corner sheet metal with the adhesive. The method of repairing the corner of the corner characterized by.

Images