JP3221998B2 - Waterproof structure of rising part from flat roof - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a corner structure of a draining holder for supporting the upper end of a water-resistant board at a corner of a waterproof structure at a rising portion from a flat roof such as a parapet or a rooftop tower. .

[0002]

2. Description of the Related Art Waterproofing of a flat roof will be described with reference to FIGS. 1 and 2. A waterproofing layer 4 is formed on a rising portion 2 from a floor 1 following a floor waterproofing layer 3. A pressing member layer 5 is formed on the upper surface of the waterproof layer 3, and a waterproof board 6 is provided on the surface of the rising waterproof layer 4. The upper and lower ends of the board 6 are fixed to the rising portion 2 and the upper holder 10
The lower holder 20 fixed to the presser material layer 5 (floor 1) supports the upper holder 10 and also serves as a drainer.

[0003] The draining holder 10 has a rising portion 2
A vertical mounting piece 10a screwed to the front surface, and a drain piece 10b extending forward from a lower edge of the mounting piece 10a.
And the dripping piece 10 facing downward from the front edge of the drain piece 10b.
c, and a contact piece 10d behind the vertical piece 10c on the lower surface of the draining piece 10b.

The upper end of the water-resistant board 6 is fitted between the contact piece 10d and the hanging piece 10c, and a ceiling receiving piece 10e is provided on the upper edge of the mounting piece 10a. And the jaw 2 'of the rising part 2
The sealing material 8 is filled between the lower surfaces. The filling of the sealing material 8 is for preventing water from entering from this portion and entering the back surface of the waterproof layer 4.

[0005]

In the waterproof structure constructed as described above, when the rising waterproof layer 4 is formed by a multilayer coating such as an asphalt waterproof layer or a coating waterproof layer, the waterproof layer at the corner C is formed. 4 is, as shown in FIG.
The coating layers overlap and are likely to be thick. Therefore, if the end of the drainer holder 10 is simply cut flush with the end face (the front end face shape in FIG. 11), a part of the attachment piece 10a to the rising portion 2 and a part of the drainer piece 10b become the thick part a. And the waterproof layer 4 may be damaged, or the mounting piece 10a and the draining piece 10b may rise and cannot be accommodated.
For this reason, conventionally, as shown in FIG. 11, the mounting pieces 10a and the drain pieces 1
Part of Ob is missing. This lack is a work on site, the cutting shape is complicated, and the cutting of metal such as aluminum is very troublesome.

If the mounting piece 10a is missing, the lacking portion S becomes a large hole (see FIG. 10), and the sealing receiving piece 10e is naturally also missing.
For this reason, conventionally, a large amount of the sealing material 8 is filled to close the missing portion S. This task is cumbersome.

On the other hand, as shown by a chain line in FIG.
It is conceivable to cut and bend the Oa and the receiving piece 10e into a required shape so as not to form the missing portion S. However, this operation is troublesome and is not actually performed on site.

In order to prevent the thickness of the waterproof layer 4 at the corner portion C of the rising portion 2, the corner portion C may be formed in a chamfered shape as shown in FIG. As described above, the abutting portion (corner portion) of the upper holder 10 must be omitted, and there is a similar problem.

It is an object of the present invention to improve sealing workability without damaging the waterproof layer in the above-described corner portion C of the draining holder 10 under such circumstances.

[0010]

In order to solve the above-mentioned problems, according to the present invention, in the above-mentioned waterproof structure of the rising portion 2 from the flat roof floor portion, the water draining holder 10 of the corner portion is provided. The corner portion C has the following configuration.

[0011] Corner portion C of the drainer holder 10
Is composed of a corner member 11 fixed to the ends of the two draining upper holders 10 and 10 and a corner piece 12 fixed to the corner member 11 to close the corner lacking portion S.

The corner member 11 includes a pair of corresponding pieces 11 a, 11 b, 11 c respectively overlapping the front face, the top face, and the front face of the mounting piece 10 a, the drain piece 10 b, and the vertical piece 10 c of the upper holder 10 facing the corner. Corresponding pair 11a, 11a, 11b, 11b, 11
c and 11c are a vertical piece corresponding piece 11c and a drain piece corresponding piece 1
1b are connected by abutting edges.

[0013] The pair of draining piece corresponding pieces 11b, 11
The rear part of the end of b and the mounting piece corresponding pieces 11a, 11a
Is chamfered in such a way that it does not hit the rising waterproof layer 4 at the corner portion C to form the corner lacking portion S.

The corner piece 12 covers the lacking portion S of the corner member 11 and then the two corresponding pieces 11
a, a closing piece 12a overlapping with 11a, and the closing piece 12a
A sealing receiving auxiliary piece 1 that projects forward over the entire upper edge and abuts or overlaps the sealing receiving piece 10e.
2e.

A jaw 2 'facing forward is provided on the rising portion 2.
Is formed, and in the waterproof structure at the rising part from the flat roof floor where the downward drain plate 30 is provided on the lower surface of the jaw 2 ', the drain plate 30 also has the chamfered shape at the corner C of the waterproof structure. Bend.

[0016]

In the corner structure of the draining holder according to the present invention having the above structure, the corner member 1
The 1 and the corner pieces 12 are manufactured in a factory and are separately or integrally brought to the site. On site, corner members 1
1, the end of the normal drainer holder 10 is overlapped and connected,
Fix in the same manner as in the past. At this time, the draining piece 1
Since the portion where 1b and the mounting piece corresponding piece 11a abut is a corner lacking portion S, the edge does not hit the thick portion of the corner portion of the rising waterproof layer 4 and is not damaged. The sealing material 8 is placed on the upper surface of the receiving auxiliary piece 12e and is filled in the corner.

[0017]

[Effect] Since the present invention is configured as described above, the following effect (a) is exhibited.

(A) Eliminating the most troublesome cutting work on site and improving workability. (B) Since the missing portion S is eliminated at the end of the corner of the drainer 10 and the sealing is easily performed, the sealing performance of the corner C is also improved. (C) The thick portion of the corner portion of the rising waterproof layer 4 is not damaged.

[0019]

DESCRIPTION OF THE PREFERRED EMBODIMENTS As shown in FIGS. 1 and 2, a rising waterproof layer 4 is formed by asphalt coating on the inner surface of a parapet (rising portion) 2 from a waterproof layer 3 on a slab concrete 1 of a flat roof floor. The part extends to near the lower surface of the parapet jaw 2 '.

The draining top holder 10 has a length of, for example, 200
As shown in FIGS. 1 and 2, a plurality of the parapets 2 are provided so as to be continuous over the entire length in the lateral direction, and the joint thereof is covered by a cover 14. The drainer upper holder 10 includes a mounting piece 10a, a drainer piece 10b, a vertical piece 10c, a backing plate 10d, and a receiving piece 10e as in the conventional case.
The mounting piece 10a is screwed to the front surface of the parapet 2 with the waterproof layer 4 interposed therebetween, and the drainer holder 10 is mounted. The upper end of a water-resistant board 6 such as a water-resistant slate or a metal plate is applied to the backing plate 10d of the drainer holder 10, and the upper end thereof is pressed by a cushion material 15 fixed to the vertical piece 10c, and the upper end of the drainer holder 10 is used. Supported.

As shown in FIGS. 1 and 2, the lower holder 20 is fixed to the holding concrete layer 5 with screws 23.
The lower end of the water-resistant board 6 is fitted with the cushion material 25 interposed. The lower holder 20 has a length of, for example, 2000 mm.
And a plurality of the parapets 2 are continuously provided over the entire length in the lateral direction.

The corner portion C of the draining holder 10 comprises a corner member 11 and a corner piece 12. Both 11, 1
2 is formed by punching the shape shown in FIG. 5 from a flat metal plate such as aluminum, and bending it along the folding line (thin line in FIG. 5) to form the shape shown in FIG. It can also be molded with a synthetic resin or the like. The corner member 11 is manufactured by connecting a member obtained from the flat plate of FIG. 5 and a symmetrical member by welding or the like at a corner abutting portion as shown in FIG. 4, or by cutting out the corner lacking portion S from the end surface shape member of FIG. , And connect the pair to produce.
The connection angle corresponds to the angle of the corner.

The corner member 11 is provided on the drainer holder 10.
Pieces 11a, 1a, 1b,
1b, 11c, and the holder 10
The fixing piece 11f fitted to the fitting piece 10f of FIG.
1a. After the corner piece 12 covers the abutting lacking portion S of the corner member 11, the closing piece 12a and the closing piece 12a overlapping the mounting piece corresponding piece 11a are formed.
And an auxiliary sealing receiving piece 12e protruding to the front side over the entire length of the upper edge. Corner pieces 12 are fixed to the corner members 11 at required positions with an adhesive such as a double-sided tape T or the like.
If the position is constant, both 11, 1
2 may be integrated in advance by bonding or welding. Further, both 11 and 12 can be integrally formed of resin.

As shown in FIG. 6, the end of the drainer holder 10 is connected to the corner member 11 by sliding the fixing piece 11f into the fitting piece 10f by sliding as shown by an arrow in FIG. As shown, corner piece 1
2 is fixed to the back surface of the corner member 11 with the double-sided tape T,
The auxiliary receiving piece 12e and the receiving piece 10e of the holder 10 are flush with each other. The drainer holder 10 is screwed to the parapet 2, and the corner member 11 is integrated with the drainer holder 10 by fitting the fixing piece 11f and the fitting piece 10f. It is free to screw. After the corner portion C of the drainer holder 10 is formed in this manner, the sealing material 8 is also placed on the receiving auxiliary piece 12e and filled in the corner portion C.

In the embodiment shown in FIGS. 7 and 8, a draining plate 30 is provided on the lower surface of the jaw 2 'of the rising portion 2 so as to be engaged with the mounting piece 10a of the upper holder 10. If there is a case in which the waterproof layer 4 is damaged or the like, the draining plate 30 is also formed by a corner member 31 having a chamfered corner. The same applies to the draining plate 30 of FIG. 2 if necessary. In the drawing, reference numeral 32 denotes a hole for air circulation, which is appropriately formed. Reference numeral 33 denotes a joint cover.

Although the lower end of the water-resistant board 6 is supported by the lower holder 20 in the embodiment, other known means, for example, FIG.
May be supported by mortar c as shown in
As shown in FIGS. 10 a and 10 b, the lower holder 20 can be supported by the rising portion 2. Further, the waterproof layer 4 is not limited to asphalt coating, and can be formed by a known means such as a waterproof sheet stretching. Further, it is needless to say that the present invention can also be applied to a case where the corner portion C shown in FIG. 13 is chamfered.

[Brief description of the drawings]

FIG. 1 is a schematic perspective view of one embodiment.

FIG. 2 is a sectional view of a main part of the embodiment.

FIG. 3 is a perspective view of a main part of the embodiment.

FIG. 4 is a perspective view of a corner member and a corner piece;

FIG. 5 is an explanatory view of the production.

FIG. 6 is an explanatory view of construction of the embodiment.

FIG. 7 is a sectional view of a main part of another embodiment.

FIG. 8 is a perspective view of a main part of the embodiment.

FIG. 9 is a cross-sectional view of another example of supporting the lower end of the water-resistant board.

FIG. 10 is a sectional view of another example of supporting the lower end of the water-resistant board.

FIG. 11 is a perspective view of a main part of a conventional example.

FIG. 12 is a perspective view in which a part of a rising portion corner is missing.

FIG. 13 is a perspective view of another example in which a part of a rising portion corner is missing.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Floor part (slab concrete) 2 Rise part (parapet) 3 Floor waterproof layer 4 Rise part waterproof layer 5 Holding concrete layer (holding material layer) 6 Water resistant board 8 Sealing 10 Drain upper holder 10a Mounting piece 10b Drain piece 10c Drip Piece 10d abutment piece 10e sealing receiving piece 10f fitting piece 11 corner member 11a mounting piece corresponding piece 11b water draining piece corresponding piece 11c vertical piece corresponding piece 11f fixing piece 12 corner piece 12a closing piece 12e sealing receiving auxiliary piece 13 holding plate 14 cover 15 Cushion material 20 Lower holder 25 Cushion material 30 Drain plate 31 Corner member T Double-sided tape

Claims (2)

(57) [Claims] 1. A waterproof layer 4 is formed on a rising portion 2 from a floor 1 following a floor waterproof layer 3 of a flat roof, and a waterproof board 6 is provided on a front surface of the rising waterproof layer 4. The upper end of 6 is supported by a drainer holder 10 fixed to the rising part 2, and the drainer holder 10 is screwed up and down on the front surface of the rising part 2 via the rising waterproof layer 4. Mounting piece 10a, a water piece 10b extending forward from a lower edge of the mounting piece 10a, a vertical piece 10c facing downward from a front edge of the water piece 10b, and the water piece 10b.
An upper end of the water-resistant board 6 is fitted between the lower piece 10d and the lower piece 10c, and an upper edge of the mounting piece 10a protrudes forward. In a corner portion of such a waterproof structure of a rising portion from a flat roof floor portion, a holder for draining the corner portion is provided. Characterized in that the corner portion C has the following configuration. The corner portion C of the draining upper holder 10 is composed of a corner member 11 fixed to an end of the both draining upper holders 10 and 10 and a corner piece 12 closing the corner lacking portion S fixed to the corner member 11. Become. The corner member 11 has a pair of corresponding pieces 11a, 11b, 11c that respectively overlap the front face, the top face, and the front face of the mounting piece 10a, the water cutting piece 10b, and the vertical piece 10c of the double draining upper holder 10 facing the corner portion, The corresponding pieces 11a, 11b, 11c of the pair are connected to each other at the edges where a part of the vertical piece 11c and a part of the draining piece 11b abut. The rear part of the end of the pair of draining piece corresponding pieces 11b and the end of the fitting piece corresponding piece 11a are corner portions C.
Is chamfered so that it does not hit the rising waterproof layer 4 at the corners, thereby forming the corner lacking portion S. After covering the missing portion S of the corner member 11, the corner piece 12 protrudes forward over the entire length of the upper edge of the closing piece 12a and the closing piece 12a, which overlaps the corresponding pieces 11a of the mounting piece. And a sealing receiving auxiliary piece 12e which abuts or overlaps the piece 10e. 2. The waterproof structure according to claim 1, wherein the rising portion has a jaw portion 2 'facing forward, and a downward drain plate 30 is provided on a lower surface of the jaw portion 2'. In the waterproof structure at the rising part from the flat roof floor, the following features are characterized. The drain plate 30 is also bent in the chamfered shape at the corner C of the waterproof structure.