JPH111969A - Waterproof structure of balcony mounting section and execution method thereof - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide the waterproof structure of a balcony mounting section, in which the waterproof performance of the balcony mounting section to be attached to a dwelling house unit can be ensured simply and surely, and an execution method thereof. SOLUTION: In the waterproof structure of the balcony mounting section, a balcony mounting seat section 57 is formed to the lower section of a dwelling house unit column 55, an opening section K, to which the balcony mounting seat section 57 is faced, is formed to external wall materials P1, P2 disposed to a dwelling house unit, and the balcony mounting section 90 is fixed onto the balcony mounting seat section 57 through a throating member 60 while the opening K of the external wall materials P1, P2 is shielded from an outdoor section by the throating member 60. The throating member 60 has a main body section 62 with a frame section, into which the balcony mounting section 90 is inserted, and throating sheets 68c, 68d being formed around the main body section 62 and being bonded with the external periphery of the opening K and shielding the external wall materials P1, P2 from the outdoor section at that time.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a waterproof structure for a balcony mounting portion to be installed between an upper floor and a lower floor, and a method for constructing the waterproof structure.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG. 9, a waterproof sheet 5 is applied between an outer wall panel 2 of an upper floor housing unit 1 and an outer wall panel 4 of a lower floor housing unit 3 adjacent thereto. A waterproof structure is known (Japanese Patent Publication No. Hei 6-35728).
Reference).

A waterproof sheet 5 used for the waterproof structure of this building
As shown in FIG. 9A, the main body sheet 6 made of a rubberized cloth is used.
And an upper panel adhesive layer 7 in which release paper 7a is attached to the upper end of the main body sheet 6, and a temporary fixing adhesive layer 8 in which release paper 8a is attached to the lower end of the upper panel adhesive layer 7 on the same side.
And a lower panel adhesive layer 9 in which release paper 9a is attached to a position on the back side of the temporary fixing adhesive layer 8.

[0004] The waterproof sheet 5 is arranged such that the lower edge of the inside of the outer wall panel 2 of the upper-floor housing unit 1 and the upper edge of the outer wall panel 4 of the lower-floor housing unit 3 in the order shown in FIGS. Glued along the edges.

First, as shown in FIG. 9 (b), while peeling off the release paper 7a of the upper panel adhesive layer 7, the upper panel adhesive layer 7 is applied along the lower edge inside the outer wall panel 2 of the upper floor housing unit 1. Glue. Following completion of the adhesion of the upper panel adhesive layer 7, the release paper 8a of the temporary adhesive layer 8 is peeled off, and the temporary adhesive layer 8 is adhered along the outer lower edge of the outer wall panel 2 of the upper floor housing unit 1. Then, the waterproof sheet 5 is temporarily fixed to the outer wall panel 2.

[0009] Next, as shown in FIG. 9 (c), the release paper 9 of the lower panel adhesive layer 9 facing the outside of the outer wall panel 2.
The lower panel adhesive layer 9 is adhered along the upper edge of the outer wall panel 4 of the lower-floor house unit 3 while peeling off a, and the attachment of the waterproof sheet 5 is completed.

[0007]

However, in a conventional waterproof structure of a building, for example, a balcony may be attached to a lower end of an upper-floor housing unit.

In this case, as shown in FIG. 10, in order to attach the beam edge of the balcony to the balcony mounting base 10 formed at the lower end of the column 1a of the upper floor housing unit 1, the lower wall housing unit 3 side is attached to the outer wall panel 2. The notched hole 11 is formed. The notch 11 allows the waterproof sheet 5 to be interposed between the outer wall panel 2 of the upper floor housing unit 1 and the outer wall panel 4 of the lower floor housing unit 3.
Of the outer wall panel 2 and the outer wall panel 4 cannot be waterproofed by the waterproof sheet 5. As a method of solving this point, a sheet having a square shape larger than the balconi mounting notch hole 11 is used, the peripheral edge of the sheet is adhered to the outer surface of the outer wall panels 2 and 4 around the peripheral edge of the notch hole 11, and then the approximate center of the sheet is attached to the balconi mounting base. It is conceivable that the inside of the upper-floor housing unit is waterproofed by pressing against the surface 10a and bolting a balcony fitting from above the sheet.

However, in this method, since the operator attaches the sheet to the outer surfaces of the outer wall panels 2 and 4 around the periphery of the balconi mounting notch hole 11, the outer wall panel around the peripheral edge of the balconi mounting notch hole 11 depends on the size of the sheet. The bonding width to the outer surfaces of the 2 and 4 becomes uneven, and when the substantially center of the sheet is pressed on the entire balcony mounting base seating surface 10a, there is too much or no margin at the sheet peripheral edge. .

[0010] In this state, when the balcony mounting bracket is bolted to the balcony mounting base seating surface 10a, if there is a margin around the seat, it is caught in the balcony mounting bracket, and if there is not enough room, it is pulled by the balcony mounting bracket. There was a problem that the sheet was torn and the waterproof performance could not be secured.

SUMMARY OF THE INVENTION An object of the present invention is to provide a waterproof structure of a balcony mounting portion which can easily and reliably ensure waterproof performance of a balcony mounting portion to be attached to a housing unit, and a method of constructing the same.

[0012]

In order to achieve the above object, according to a first aspect of the present invention, a balconi mounting seat portion is formed at a lower portion of a housing unit column, and the balconi mounting member is provided on an outer wall material provided in the housing unit. An opening facing the mounting seat is formed, and a mounting member of the balcony is fixed to the balcony mounting seat via a draining member, and an opening of the outer wall material is shielded from outdoors by the draining member. In the waterproof structure, the draining member includes a main body having a frame portion into which the mounting member for the balcony is inserted, and a draining sheet formed around the main body and adhered to an outer peripheral edge of the opening to shield the outside. It is characterized by having.

According to the first aspect of the present invention, the mounting member of the balcony is inserted into the frame of the draining member and fixed to the balcony mounting seat, and the draining sheet is attached to the outer periphery of the opening of the housing unit. Adhesive, when fixing the Balconi mounting member to the Balconi mounting seat part, the drainage sheet does not slide on the Balconi mounting member without sliding, and it can shield the outside wall material opening of the housing unit from the outside. ,
The waterproof performance of the Balconi mounting seat can be ensured.

According to a second aspect of the present invention, the draining member is provided with a steel plate on the back surface of the main body opposite to the frame.

According to the second aspect of the present invention, since the steel plate is provided on the back surface of the main body, the drainage member is deformed when the mounting member of the balcony is fixed to the balcony mounting seat. Instead, the main body is in close contact with the balcony mounting seat, and the waterproof performance of the balcony mounting section can be ensured.

According to a third aspect of the present invention, the draining sheet is bonded to an outer peripheral edge of the opening of the outer wall material via an adhesive layer.

According to the third aspect of the present invention, since the draining sheet is bonded to the outer peripheral edge of the opening of the outer wall material via the adhesive layer, the Balconi mounting member is attached to the Balconi mounting seat. When fixing, the draining member does not deform,
The main body is in close contact with the balcony mounting seat, and the waterproof performance of the balcony mounting section can be ensured.

In a fourth aspect of the present invention, a balcony seat is formed at a lower portion of the housing unit column, and an outer wall material opened facing the balcony seat is disposed in the housing unit, and the balcony seat is provided. A drainage member is disposed on the drainage member, a mounting member of the balcony is fixed to the balcony mounting seat via the drainage member, and an opening of the outer wall material is waterproofed by the drainage member to protect the balcony from the outside. In the construction method of the structure, the draining member has a main body, and has an adhesive layer on a side where the main body is disposed on the Balconi mounting seat, and the Balconi mounting seat via the adhesive layer. It is characterized by being adhered.

According to the fourth aspect of the present invention, since the adhesive layer adheres the draining member to the Balconi mounting seat, the draining member can be easily disposed on the Balconi mounting portion.

According to a fifth aspect of the present invention, the draining member has a main body and forms a draining sheet around the main body, and the draining sheet is bonded to an outer peripheral edge of the opening of the outer wall material via an adhesive layer. Then, the mounting member of the balcony is inserted into the main body of the draining member.

According to the fifth aspect of the present invention, the draining sheet formed around the main body of the draining member is adhered to the outer peripheral edge of the opening of the outer wall material via the adhesive layer,
Since the mounting member of the balcony is inserted into the main body of the draining member, when the mounting member of the balcony is inserted into the main body of the draining member, the mounting member of the balcony does not break without sliding on the draining sheet, The outer wall material opening of the upper floor housing unit can be shielded from the outside, and the waterproof performance of the balcony seat can be ensured.

[0022]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to FIGS.

FIG. 1 shows a building T in which an upper-floor housing unit 30 is disposed in a lower-floor housing unit 20 and a balcony 40 is provided at a lower end of the upper-floor housing unit 30.

The lower-floor housing units 20 of this building T are, for example, the housing units 21 and 22 on the right side in FIG.
And four housing units, namely, housing units 23 and 24 on the rear side of the housing units 21 and 22.

The upper-floor housing unit 30 is provided above the housing units 21 and 22 of the lower-floor housing unit 20 and above the housing units 23 and 24 of the lower-floor housing unit 20. The housing units 33 and 34 are provided and four housing units. On this upper floor housing unit 30, a roof Y indicated by a dashed line is provided.

The balcony 40 is a housing unit 3
1 and the lower end 32a of the housing unit 32, the lower end 31a of the housing unit 31 and the lower end 32a of the housing unit 32 are attached to the balcony mounting portion 5a.
0 is formed.

The balconi mounting portion 50 includes a balconi mounting portion 51 located at the left end of the lower end portion 31a of the housing unit 31 in FIG.
And a lower end portion 32a of the housing unit 32 adjacent to the balcony mounting portion 52.
Of the housing unit 32, and a balcony connection part 54 located on the right side of the lower end 32a of the housing unit 32. 2 and 3 show, for example, a waterproof structure of the balcony attachment portion 51 of the house unit 31. FIG.

In the waterproof structure of the balcony mounting portion 51,
At the lower end of the left column 55 of the housing unit 31 on the side where the balcony 40 is mounted, a barconi mounting seat 57 is provided at the lower end, and the outer wall panels P1, P2 of the housing unit 31 are notched so that the balcony mounting seat 57 faces from the side where the balcony 40 is mounted. K is formed.

The Balconi mounting seat 57 has a left pillar 5
5, bolt through-holes 55a, 55b vertically separated from each other on the outdoor side
A fixing plate 56 formed with tapped female screw portions 56a and 56b at positions matching the bolt through holes 55a and 55b is fixed inside the left column 55.

On the balcony mounting seat 57, a balcony drainage 90 at the end of the beam 91 of the balcony is superimposed on the drainage attachment 60, and the balcony drainage 90 is connected to the bolt through-holes 90a and 90b and the bolt penetration of the drainage attachment 60. Fixing plate 56 tapped by bolts 58, 59b inserted into holes 61a, 62a, 61b, 62b
And is fixed to the female screw portion 56a by bolts.

The joint sheets 70a and 70b are notched (opened) K on the outer wall panel P1 side and the outer wall panel P
Two sides are provided.

On the side of the outer wall panel P1, one end of the joint sheet 70a is adhered to the left columnar surface 55s of the balcony connection portion 51, and the other end is a cutout K edge Ka of the outer wall panel P1.
Along with the outer surface P1a of the outer wall panel P1.

Further, on the side of the outer wall panel P2, one end of the joint sheet 70b is adhered to the inside of the notch K edge Kb of the outer wall panel P2, and the other end is formed along the notch K edge Kb. It is adhered to the outer surface P2a.

Then, the draining sheet 68c on the left side of the attachment drainer 60 is formed by the notch K edge K of the outer wall panel P1.
a to the joint sheet 70a adhered to the outer surface P1a of the outer wall panel P1. A right-side draining sheet 68d of the attachment drainer 60 is bonded to the joint sheet 70b bonded to the outer surface P2a of the outer wall panel P2 from the notch K edge Kb of the outer wall panel P2. Also,
The upper draining sheet 68a of the attachment drainer 60 extends from the notch K upper edge Kc of the outer wall panel P2 to the outer wall panel P2.
The upper draining sheet 6 is adhered to the outer surface P2b of the
8a is pushed by the upper cut edge 41a of the balcony 40. The lower drainage sheet 68b of the attachment drainer 60 is adhered from the upper edge P3a of the outer wall panel P3 of the house unit 21 to the outer surface P3b of the outer wall panel P3, and the lower drainage sheet 68b is connected to the lower drainage cutting edge of the balcony 40. It is pushed by 41b.

The waterproof structure of the Balconi mounting part 51 includes an attachment drainer 60 (a drainer), a joint sheet 70, and a Balconi mounting fixture 90.
It consists of

As shown in FIG. 4, the attachment drainer 60 includes a contact plate 61 that contacts a balcony seat 57 formed at the lower end of the left column 55, a drainer main body 62, and a drainer sheet 68. .

The contact plate 61 (steel plate) has a balcony seat 57
Is longer than the dimension L (in FIG. 3) between the bolt through holes 55a and 55b. This contact plate 61 is formed with bolt through-holes 61a, 61b having the same diameter as the bolt through-holes 55a, 55b. This contact plate 61 is made of a steel plate.

The drainer main body 62 (main body) has a rectangular shape longer than the contact plate 61 in the longitudinal direction. On the front side, a frame 63 composed of a pair of plate frames 63a and 63b standing parallel to each other along the longitudinal direction is formed, and the inside of the frame 63 is an insertion seat 63c for the Balconi attachment 90. This plate 61 on the back side
Is fixed.

Bolt through holes 62a, 62b of the same diameter are formed in the insertion seat 63c at the same positions as the bolt through holes 61a, 61b of the contact plate 61 in the longitudinal direction. The draining body 62 is made of, for example, a hard polypropylene resin.

At the upper end on the back side of the drainer main body 62, an upper adhesive layer 64 adhered to the upper part of the balcony attachment seat 57 is formed, and release paper 66 is adhered to the adhesive surface 64a of the upper adhesive layer 64. ing. A lower adhesive layer 65 is formed at the lower end of the upper adhesive layer 64 on the same side as the lower adhesive layer 65 which is adhered to the lower portion of the balcony attachment seat 57. A release paper 67 is attached to the adhesive surface 65a of the lower adhesive layer 65. I have. The upper adhesive layer 64 and the lower adhesive layer 65 are formed by, for example, a butyl tape.

The draining sheet 68 is, for example, a resin band, and the upper draining sheet 68a on the upper end side of the draining body 62.
And a lower draining sheet 68b at the lower end, a left draining sheet 68c at the left end, and a right draining sheet 68d at the right end. The draining sheets 68a, 68b, 68
c and 68d are indicated by dashed lines.

The upper draining sheet 68a has a length substantially equal to the width of the upper end of the draining main body 62, one end is fixed to the upper end side of the draining main body 62, and the other end can be opened upward.
The lower draining sheet 68b has a length substantially the same as the width of the lower end of the draining main body 62, one end is fixed to the lower end side of the draining main body 62, and the other end can be opened downward. The left draining sheet 68c has substantially the same length as the left end width of the draining main body 62, one end is fixed to the left end side of the draining main body 62, and the other end is openable in the left direction. The right draining sheet 68d is
The length is substantially the same as the width of the right end of the draining body 62, one end is fixed to the right end side of the draining body 62, and the other end can be opened rightward.

These draining sheets 68a, 68b, 68
c and 68d are folded inside the frame 63 when not in use,
For example, it is stopped with a gum tape and placed, and is expanded in the up, down, left and right directions at the time of use. These draining sheets 68a, 68b, 6
An adhesive layer to which release paper (not shown) is attached is formed on the expanding side of 8c and 68d.

The joint sheet 70 is shown in FIG.
As shown in (b), it is composed of a joint sheet 70a bonded to the outer surface P1a of the outer wall panel P1 and a joint sheet 70b bonded to the outer surface P2a of the outer wall panel P2.

The joint sheet 70a and the joint sheet 70b are composed of a sheet body 71 and the sheet body 71.
Adhesive layers 72, 73, 7 formed on both ends in the longitudinal direction of
It consists of 4,75.

The sheet body 71 is made of a rubber material band.
The lower end has a curved portion 71a. The curved portion 71a is substantially the same as the waterproof sheet S curved so as to protrude from the inner surface of the outer wall panels P1 and P2 of the upper floor housing unit 31 to the outer surface of the upper end of the outer wall panel P3 of the lower floor housing unit 21 by the thickness of the outer wall panel P3. It has a shape.

The adhesive layer 72 of the joint sheet 70a
The left side portion of the seat body 71 is formed on the curved back surface of the curved portion 71a. Release paper 76 is adhered to the adhesive surface 72a of the adhesive layer 72.

The adhesive layer 73 is provided on the right side of the sheet body 71, and includes an adhesive layer 73a formed on the curved surface of the curved portion 71a and an adhesive layer 73b formed on the back surface. Adhesive layer 73a
The release paper 77 is adhered to the adhesive surface 73c of the adhesive layer 73, and the release paper 78 is adhered to the adhesive surface 73d of the adhesive layer 73b.

The adhesive layer 7 of the joint sheet 70b
Reference numeral 4 denotes a right side portion of the seat body 71, which is formed on a curved surface of the curved portion 71a. The bonding surface 74a of the bonding layer 74
A release paper 79 is attached to the. The adhesive layer 75
An adhesive layer 75a formed on the curved surface of the curved portion 71a and an adhesive layer 75b formed on the back surface of the left side of the sheet body 71
And A release paper 8 is provided on the bonding surface 75c of the bonding layer 75a.
0 is stuck, and release paper 81 is stuck to the bonding surface 75d of the bonding layer 75b.

The balcony connector 90 is a balcony beam 91.
It is fixed to the tip, and has a square shape sized to be inserted into the frame 63 of the attachment drainer 60. This balcony connector 90 has bolt through holes 62a, 62b
And the same diameter bolt through-holes 90a and 90b are formed.

Next, a construction method relating to the waterproof structure of the above-mentioned balcony connection part 51 will be described with reference to FIGS.

[Adhesion of Attachment Drainer] FIG. 6 (a)
As shown in the figure, the draining sheets 68a, 68b, 68c, 6
Attachment drainer 60 (see FIG. 4) obtained by folding 8d is assembled as housing unit 31.
The lower end 5 is bonded to the balcony seat 57 in the factory.

Before the attachment drainer 60 is bonded to the balcony mounting seat 57, the release paper 66 attached to the upper adhesive layer 64 of the attachment drainer 60 is peeled off, and the release paper 67 attached to the lower adhesive layer 65 is also removed. Peel off.

Then, as shown in FIG. 6 (b), the lower end surface A2 of the hitting tree A is flush with the lower end surface 55a of the left pillar 55, and the lower end edge 60a of the attachment drainer 60 is put on the upper end surface of the hitting tree A. Place on A1. Next, Attachment Drainer 6
The lower adhesive layer 65 is bonded to the lower end of the balcony mounting seat 57, and the upper adhesive layer 64 is bonded to the upper end of the balcony mounting seat 57. Then, the attachment drainer 60 is bonded to the balcony mounting seat 57 so that the bolt through-holes 62a, 62b of the attachment drainer 60 match the bolt through-holes 55a, 55b of the balcony mounting seat 57.

The housing unit 31 with the drainage 60 attached to the balcony seat 57 is transported to the building construction site.

[Adhesion of Joint Sheet] At the construction site, the upper-floor housing unit 30 is disposed on the lower-floor housing unit 20, and at the outdoor side of each of the lower-floor housing unit 20 and the upper-floor housing unit 30. An outer wall panel is provided, and a waterproof sheet S is bonded to the lower edge of the outer wall panel of the upper floor housing unit 30 and the upper edge of the outer wall panel of the lower floor housing unit 20.

Then, as shown in FIG. 7A, the bonding surface 72a of the joint sheet 70a from which the release paper 76 has been peeled off.
Is adhered to the left column surface 55s of the balcony attachment portion 51, and is adhered to the waterproof sheet S whose curved portion 71a is curved.

Subsequently, as shown in FIG. 7B, the bonding surface 74a of the joint sheet 70b from which the release paper 79 has been peeled off.
Is adhered to the inside of the notch K edge Kb of the outer wall panel P2 and the waterproof sheet S whose curved portion 71a is curved.

[Adhesion of Drained Sheet] Next, the drained sheet 6
Peel off the adhesive tape on which 8a, 68b, 68c and 68d are fixed, and joint the draining sheet 68a upward, the draining sheet 68b downward, the draining sheet 68c leftward on the joint sheet 70a side, and the draining sheet 68d. The seat 70b is expanded rightward on the side of the seat 70b.

Subsequently, as shown in FIG. 8, the release paper 78 attached to the adhesive layer 73b of the joint sheet 70a.
And the draining sheet 68c from which the release paper on the expanding side has been peeled off is bonded to the bonding surface 73d of the bonding layer 73b of the joint sheet 70a. And the joint sheet 70a
The release paper 77 attached to the adhesive layer 73a is peeled off, and the joint sheet 70a is moved along the cutout K edge Ka of the outer wall panel P1, and the adhesive surface 73 of the adhesive layer 73a is removed.
c is adhered to the outer surface P1a of the outer wall panel P1 (see FIG. 2).

Next, the adhesive layer 7 of the joint sheet 70b
The release paper 80 attached to 5a is peeled off, and the draining sheet 68d from which the release paper on the expanding side has been peeled off is bonded to the bonding surface 75c of the bonding layer 75a of the joint sheet 70b.
Then, the release paper 81 stuck to the adhesive layer 75b of the joint sheet 70b is peeled off, the joint sheet 70b is aligned with the notch K edge Kb of the outer wall panel P2, and the adhesive layer 75d of the adhesive layer 75b is removed from the outer wall panel P2. (See FIG. 2).

Further, the draining sheet 68a from which the release paper on the expanding side has been peeled off is adhered along the notch K upper edge Kc of the outer wall panel P2, and the leading edge of the draining sheet 68a is attached to the outer surface P2b of the outer wall panel P2. Adhere (see FIG. 3).

Further, the draining sheet 68b from which the release paper on the expanding side has been peeled off is attached to the upper edge P of the outer wall panel P3 of the house unit 21.
3a, and the leading edge of the draining sheet 68b is adhered to the outer surface P3b of the outer wall panel P3 (FIG. 3).
reference).

[Installation of Balconi] Subsequently, the Balconi mounting tool 90 at the tip of the Balconi beam 91 is placed on the insertion seat 63c of the attachment drainer 60, and the Balconi mounting tool 90 is attached.
The bolts 58, 59 are inserted into the bolt through holes 90a, 90b, and the bolt through holes 62 in the insertion seat 63c.
a, 62b and the bolt through holes 61a, 61b of the abutment plate 61, are bolted to the female screw portions 56a, 56b of the fixing plate 56, and the balconi mounting tool 90 is mounted on the balconi mounting seat portion 57.

Thereafter, an upper draining edge 41a is arranged on the outer surface P2b of the outer wall panel P2 and fixed with a wood screw or the like to hold the leading edge of the draining sheet 68a, and a lower draining edge is formed on the upper edge P3a of the outer wall panel P3. 41b is arranged and fixed with a wood screw or the like, and the leading edge of the draining sheet 68b is pressed (see FIG. 3).

A floor girder is attached via a barconi beam 91, and the leading edge of the joint sheet 70a bonded to the outer surface P1a of the outer wall panel P1 and the outer surface P of the outer wall panel P2.
The leading edge of the joint sheet 70b adhered to 2a is pressed down by the leading edge of the floor girder.

In such a waterproof structure of the balcony connector 51, the balcony connector 90 is inserted into the frame 63 of the attachment drainer 60 and is fixed to the balcony connector seat 57. At the time of fixing to the portion 57, the balcony connector 90 is attached to the draining sheet 68a,
The balcony mounting portion 51 can be shielded from the outside without being broken without sliding on the 68b, 68c, 68d, and the waterproofness of the balconi mounting portion 51 can be secured.

Further, since the contact plate 61 is provided on the back surface of the main body 62, the attachment drainer 60 is not deformed when the balcony connector 90 is fixed to the balcony seat 57, and the attachment drainer 60 is attached to the balcony connector. It is in close contact with the seat portion 57, and the waterproof performance of the balcony attachment portion 51 can be ensured.

Then, the draining sheets 68a, 68b, 68
Since c and 68d are adhered to the outer peripheral edge of the cutout K of the outer wall material via the adhesive layer, shielding between the balconi mounting portion 51 and the outside can be easily performed.

The method of constructing the waterproof structure of the balcony connection portion 51 is as follows. Since the upper adhesive layer 64 and the lower adhesive layer 65 adhere the attachment drainer 60 to the balcony seat 57, the attachment drainer 60 can be easily attached to the balcony connector. It can be arranged on the seat 57.

The main body 6 of the attachment drainer 60
Since the draining sheets 68a, 68b, 68c and 68d are adhered to the outer peripheral edge of the cutout K of the outer wall material when the Balconi mounting member 90 is inserted into the second mounting member 90, the Balconi mounting member 90 is attached to the attachment drainer 60. Even when the Balconi mounting member 90 is inserted into the insertion seat 63c, the draining sheet 68
a, 68b, 68c, and 68d, without being slid on, without being torn, the outer wall material opening K of the upper-floor housing unit 30 and the outside can be shielded, and the waterproof performance of the balcony seat can be ensured.

In the above-described embodiment, the balcony is attached. However, the present invention can be applied to a waterproof structure of an external structural member disposed outside a unit building such as an outer staircase landing and a construction method thereof.

[0073]

As described above, according to the first aspect of the present invention, the balcony seating portion is formed at the lower portion of the housing unit column, and the balcony seating portion faces the outer wall material provided in the housing unit. An opening is formed, and a mounting member of the vulconi is fixed to the vulconi mounting seat via a drainage member, and the opening of the outer wall material is shielded from the outside by the drainage member. The draining member includes a main body having a frame portion into which the mounting member for the balcony is inserted, and a draining sheet formed around the main body and adhered to an outer peripheral edge of the opening to shield from outside. When the mounting member is fixed to the Balconi mounting seat, the draining sheet does not slide on the Balconi mounting member and does not break, so that the outer wall material opening of the upper floor housing unit and the outdoor Shielding can, waterproof performance of the balcony mounting seat portion can be secured.

According to the second aspect of the present invention, since the draining member is provided with a steel plate on the back surface of the main body opposite to the frame, the draining member is deformed when the mounting member of the balcony is fixed to the balcony mounting seat. Without this, the main body is in close contact with the balcony mounting seat, and the waterproof performance of the balcony mounting section can be ensured.

According to a third aspect of the present invention, the draining sheet is adhered to the outer peripheral edge of the opening of the outer wall material via an adhesive layer, so that the fixing member for the Balconi is fixed to the Balconi mounting seat. In addition, the draining member is not deformed, and the main body is in close contact with the balcony mounting seat, so that the waterproof performance of the balcony mounting portion can be secured.

The invention according to claim 4 is characterized in that a balcony seat is formed at a lower portion of the housing unit column, and an outer wall material opened facing the balcony seat is disposed in the housing unit, and the balcony connector is provided. A draining member is provided on the seat, a mounting member of the balcony is fixed to the balcony mounting seat via the draining member, and an opening of the outer wall material is shielded from the outside by the draining member. In the construction method of the waterproof structure, the draining member has a main body, an adhesive layer on a side where the main body is disposed on the balcony mounting seat, and the balcony mounting seat via the adhesive layer. Since it is adhered to the portion, the draining member can be easily disposed on the balcony attachment portion.

According to a fifth aspect of the present invention, the draining member has a main body, a draining sheet is formed around the main body, and the draining sheet has an outer peripheral edge of an opening of the outer wall material via an adhesive layer. The mounting member of the balconi is inserted into the main body of the draining member, so that the mounting member of the balconi does not slide on the draining sheet when the mounting member of the balconi is inserted into the main body of the draining member. It is possible to shield the opening of the outer wall material of the upper-floor housing unit from the outside without breaking, and the waterproof performance of the balcony seat can be secured.

[Brief description of the drawings]

FIG. 1 is a structural perspective view of a building showing a balcony attachment portion according to the present invention.

FIG. 2 is a plan sectional view showing a waterproof structure of a balcony attachment portion.

FIG. 3 is a cross-sectional view showing a waterproof structure of a balcony attachment portion.

FIG. 4 is a perspective view of an attachment drainer (drainer).

5A and 5B are views of a joint sheet 70, FIG. 5A is a perspective view of a joint sheet 70a, and FIG. 5B is a perspective view of a joint sheet 70b.

FIG. 6 is a diagram showing the process of attaching an attachment drainer;
(A) is a perspective view of a state where an attachment drainer is adhered to a balcony attachment part seat, and (b) is a perspective view of a state where the attachment drainer is placed on a hitting tree.

FIG. 7 is a view showing a state in which the joint sheet 70 is bonded;
(A) is a perspective view of a state in which the joint sheet 70a is adhered to the left column surface of the balcony mounting portion seat and the waterproof sheet,
(B) is a perspective view of a state in which the joint sheet 70b is bonded to the inside of the cutout edge of the outer wall panel and the waterproof sheet.

FIG. 8 is a joint sheet 70 to which a draining sheet is adhered.
FIG. 9 is a perspective view showing a state in which the upper and lower draining sheets are bonded to the outside of the outer wall panel at the notched edge.

9A is a sectional view of a waterproof sheet, FIG. 9B is a sectional view of the waterproof sheet, FIG. 9B is a state diagram of the waterproof sheet adhered and temporarily fixed to the inside of an outer wall panel of an upper floor housing unit, and FIG. It is the state figure which bonded the waterproof sheet to the outside of the outer wall panel of the lower-floor house unit.

FIG. 10 is a perspective view showing a state in which a conventional waterproof sheet is provided on a balcony attachment portion.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 30 ... Housing unit 55 ... Housing unit pillar 57 ... Balconi mounting seat part 60 ... Draining member 62 ... Body part 63 ... Frame part 68a, 68b, 68c, 68d ... Draining sheet 90 ... Balconi mounting member P1, P2 ... Outer wall material K … Opening

Claims (5)

[Claims] A balcony seat is formed at a lower portion of the housing unit column, an opening facing the balcony seat is formed in an outer wall material provided in the housing unit, and a drainage member is provided at the balcony seat. In a waterproof structure of a balcony mounting portion in which an attachment member of the balcony is fixed via the opening and the opening of the outer wall material is shielded from the outside by the drainage member, the drainage member includes a frame portion into which the attachment member of the balcony is inserted. And a draining sheet formed around the main body and bonded to the outer periphery of the opening to shield from outside. 2. The waterproof structure for a balcony mounting part according to claim 1, wherein the draining member includes a steel plate on the back surface of the main body opposite to the frame. 3. The waterproof structure according to claim 1, wherein the draining sheet is bonded to an outer peripheral edge of the opening of the outer wall material via an adhesive layer. 4. A balcony seat is formed at a lower portion of the housing unit column, an outer wall material opening toward the balcony seat is disposed in the housing unit, and a drainage member is arranged on the balcony seat. A method for constructing a waterproof structure of a balcony-mounting portion, wherein a balcony-mounting member is fixed to the balcony-mounting seat portion via the drainage member, and an opening of the outer wall material is shielded from the outside by the drainage member. The draining member has a main body, and has an adhesive layer on a side where the main body is disposed on the balcony seating portion,
A method of constructing a waterproof structure for a balcony connection portion, wherein the waterproof structure is attached to the balcony connection seat portion via the adhesive layer. 5. The draining member has a main body, forms a draining sheet around the main body, and the draining sheet is adhered to an outer peripheral edge of an opening of the outer wall material via an adhesive layer. The method of claim 4, wherein the mounting member of the balcony is inserted into a main body of the draining member.