JPH09287253A - Waterproof structure for roof - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide the technique of a quite new waterproof structure arranging a waterproof metal to cover the junction of a flat roof section and a sloped roof section, forming a smooth continuous silhouette at the junction of the flat roof section and the sloped roof section, covering a part of the waterproof metal with roofing materials of the sloped roof section, and continuing the waterproofness of the flat roof section to the waterproof metal. SOLUTION: A waterproof metal 4 is arranged at the junction of a flat roof section 1 and a sloped roof section 2, the tilt piece 7 of the waterproof metal 4 is fixed in contact with the sheathing roof board 12 of the sloped roof section 2, an erect piece 6 is kept in contact with the lower end face of the sloped roof section 2, and a horizontal piece 5 is arranged on the flat roof section 1. A roofing sheet 14 is installed on the sheathing roof board 12 of the sloped roof section 2 and the tilt piece 7 of the waterproof metal 4, an eaves edge drip 15 is fitted at the prescribed position of the waterproof metal 4, roofing materials 10 are arranged on the sloped roof section 2, and a mortar layer 16 placed on the flat roof section 1 and the horizontal piece 5 of the waterproof metal 4 are covered with a waterproof sheet 11.

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 roof, and more particularly to a waterproof structure for a roof including a flat roof part and a pitched roof part in which a boundary portion from the flat roof part to the sloping roof part can have a smooth beautiful silhouette. It is a thing.

[0002]

2. Description of the Related Art In the conventional joint between the flat roof and the pitched roof of this type, a waterproof sheet laid on the flat roof and a roofing material laid on the pitched roof are generally directly connected to each other. Since it is not possible to do this, it is common for the joint to have a rising part of the wall, and the rising part of this wall cuts the edge of the waterproof layer of the flat roof and the pitched roof to be housed.

However, in such a structure in which the rising portion of the wall is provided and the rising portion of the wall cuts the edge of the waterproof layer between the flat roof and the pitched roof, the waterproof treatment of the joint portion between the two is easy, and construction is also possible. Is simple and reliable, but in the case of this conventional technique, there is a problem in that it is difficult to form a beautiful silhouette that smoothly continues from a flat roof to a pitched roof.

Therefore, when a smooth continuous silhouette is formed from a flat roof to a pitched roof, as shown in FIG.
Waterproof construction as shown in (B), (C), and (D) was carried out.

That is, FIG. 7 (A), (B), (C),
In (D), when waterproofing the joint portion 53 between the flat roof 51 and the sloping roof 52, as shown in FIG. 6B, the joint portion 53 is formed by a part of the waterproof sheet 54 laid on the flat roof 51.
After waterproofing the flat roof 51 and the joint portion 53 by covering the lower end of the sloping roof 52 and the sloped roof 52, a scaffold 55 is assembled on the waterproof sheet 54 as shown in FIG. Then, as shown in FIG. 3D, the roofing material 56 was roofed on the sloped roof 52, and after the roofing was completed, the scaffold 55 was removed and the construction was carried out.

[0006]

However, as shown in FIG. 7 (A),
The waterproof construction shown in (B), (C) and (D) is based on the flat roof 51.
Since there is no rising portion of the wall at the joint between the slope roof 52 and the slope roof 52, it is possible to form a smooth continuous silhouette. However, as described above, the waterproof sheet 54 of the flat roof 51 is replaced with the roofing material of the slope roof 52. It was necessary to precede the construction of 56. As a result, for the installation of scaffolds 55,
The irrational construction process such as the need to specially cure the already completed flat roof 51 was forced.

The waterproof structure for the roof according to the present invention is a completely new technology developed in view of the above-mentioned conventional problems,
In particular, the waterproof metal fittings are arranged so as to cover the joint between the flat roof and the pitched roof, and a smooth continuous silhouette is formed at the joint between the flat roof and the pitched roof. The material covers a part of the waterproof hardware,
The present invention provides a completely new roof waterproofing structure technology in which the waterproofing of a flat roof portion is continued to the waterproof metal fittings.

[0008]

A waterproof structure for a roof according to the present invention is an invention in which the above-mentioned conventional problems have been fundamentally improved. The gist of the first invention is a flat roof portion and a sloping roof portion. In a waterproof structure of a roof including, a support plate connected to the frame of the building is arranged at the boundary between the flat roof part and the sloped roof part, and the lower end surface of the sloped roof part is supported by the support plate, A waterproof metal fitting is arranged and fixed on the support plate so as to cover the boundary portion between the slope roof portion and the flat roof portion, and a roofing material that is covered with the slope roof portion covers the waterproof metal fitting on the slope roof portion side. Further, the waterproof structure of the roof is characterized in that the flat roof side of the waterproof hardware is continuous with the waterproof part of the flat roof part. Further, the gist of the second invention is that the height of the waterproof metal fitting in the portion straddling the flat roof portion is set to be the maximum height of the water gradient of the flat roof portion. The waterproof structure of the roof.

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the waterproof structure for a roof according to the present invention will be specifically described with reference to the drawings. FIG. 1 is a perspective view of a waterproof roof having the waterproof structure according to the present invention, and FIG. 1
4 is a cross-sectional view of the main part of the waterproof roof of FIG. 3, FIG. 3 is a perspective explanatory view of a waterproof metal fitting and an example of use, and FIGS. 4A, 4B, 4C, 4D,
(E) is a simplified diagram showing a process of constructing the waterproof structure of the present invention, and FIG. 5 is a perspective explanatory diagram during construction of the waterproof structure of the present invention,
FIG. 6 is a perspective explanatory view showing a state where waterproofing of the pitched roof portion is completed.

The waterproof structure for a roof and the construction thereof according to the present invention will be described with reference to FIGS. 1 to 6 as follows. That is, the waterproof metal fitting 4 is arranged at the joint portion 3 which is the boundary between the flat roof portion 1 and the sloped roof portion 2, and the waterproof metal fitting 4 is attached and fixed so as to straddle the flat roof portion 1 and the sloped roof portion 2.

As shown in FIGS. 3 and 5, the waterproof hardware 4 has a horizontal piece 5, a standing piece 6 and an inclined piece 7 which are successively connected in this order. The horizontal piece 5 has a flat roof portion. 1, the standing piece 6 is brought into contact with the lower end surface of the sloping roof portion 2, and the inclined piece 7 is brought into contact with the base plate of the sloping roof portion 2. The entire surface of the waterproof hardware 4 is covered with a vinyl chloride waterproof cover 8 and a part of the side edge of the waterproof cover 8 is covered with the waterproof hardware 4.
The protrusion 8a protrudes from the side edge of, and forms the joining piece 8a.

The waterproof structure according to the present invention and the outline of its construction will be described with reference to FIGS. 4 (A), (B), (C),
This is as shown in (D) and (E). That is, in carrying out the structure of the present invention, first, the flat roof portion 1 and the sloping roof portion 2
A scaffolding 9 is temporarily installed in the above, and then the above-described waterproof metal fitting 4 is attached so as to straddle the flat roof portion 1 and the sloping roof portion 2, and the joint 3 of the both is covered with the waterproof metal fitting 4.

Next, the roofing material 10 is laid on the sloped roof part 2 and the upper part of the waterproof hardware 4 to complete the waterproofing work of the sloped roof part 2. After that, the scaffolding 9 is removed, then a vinyl chloride waterproof sheet 11 is laid on the upper surface of the flat roof part 1, and the waterproofing work of the flat roof part 1 is completed.

The structure of the essential parts of the waterproof structure according to the present invention will be described in detail below.
That is, as shown in FIG. 1, FIG. 2 and FIG. 5, the slope roof 2 is laid with a base plate 12 that has been waterproofed in advance. In this way, the inclined piece 7 of the waterproof metal fitting 4 is brought into contact with the upper surface of the lower portion of the sloped roof portion 2 on which the field board 12 is laid, and the inclined piece 7 is fixed to the field board 12 via a waterproof screw. . Moreover, the standing piece 6 following the inclined piece 7 is brought into contact with the lower end surface of the sloped roof portion 2.

Further, the horizontal piece 5 of the waterproof hardware 4 is attached to the flat roof part 1.
A foamed plastic material (trade name, Styrofoam manufactured by Asahi Kasei Kogyo Co., Ltd.) 13 that is arranged above the horizontal piece 5 and is previously attached to the lower surface of the horizontal piece 5 is placed on the upper surface of the flat roof part 1. Next, as shown in FIG. 3 and FIG. 5, in particular, a joint piece 8a formed by protruding a part of the waterproof cover 8 covering the surface of the waterproof metal fitting 4 is provided on the side of the adjacent waterproof metal fitting 4 arranged adjacently. The waterproof cover 8 and the joint piece 8a laminated on the edge are welded to each other, and a plurality of waterproof metal pieces 4 are arranged in order to cover the joint portion 3.

As shown in FIGS. 1, 2 and 6, after the roofing sheet 14 is laid on the base plate 12 of the slope portion 2 and the upper portion of the inclined piece 7 of the waterproof metal fitting 4, the roofing sheet 14 is laid. The eaves drainer 15 is laminated on the lower part and on the lower part of the inclined piece 7 of the waterproof hardware 4 exposed from the roofing sheet 14 and on the standing piece 6, and the roofing material 10 is further roofed on the sloped roof part 2 to form a pitched roof. The construction of part 2 can be completed.

Subsequently, as shown in FIGS. 1, 2 and 6, mortar is cast on the upper surface of the flat roof part 1 to form the mortar layer 16 therein.
To form At this time, the mortar layer 16 is applied while adjusting the portion where the mortar layer 16 is joined to the drainage metal fitting 4 so that the height of the water gradient is the highest. After that, the above-mentioned waterproof sheet 11 is laid on the mortar layer 16 and the horizontal piece 5 of the drainage metal fitting 4 and welded thereto, whereby the construction of the flat roof part 1 can be completed.

In FIGS. 1 and 2, reference numeral 17 is a frame beam of a building, and 18 is a supporting plate, and the lower end surface of the sloped roof portion 2 is supported by the supporting plate 18. The support plate 18 is bolted to a holding metal piece 19 of the pitched roof portion 2, and the holding metal piece 19 is further bolted to a frame beam 17 of the building.

In the present invention, as described above, the waterproof metal fitting 4 having the standing piece 6 having a small height capable of contacting the lower end surface of the sloped roof portion 2 is laid across the flat roof portion 1 and the sloped roof portion 2. Since the joint part 3 which is the boundary between the flat roof part 1 and the sloped roof part 2 is waterproofed, the roof with a smooth continuous silhouette from the flat roof part 1 to the sloped roof part 2 can be easily and securely installed. Can be configured as

Further, since the waterproof metal fitting 4 is used, the roof roofing material 10 of the sloped roof portion 2 can be roofed and the scaffold 9 can be removed, and then the flat roof portion 1 can be waterproofed. Furthermore, by using this waterproof metal fitting 4, the maximum height of the water gradient of the flat roof part 1 can be easily and accurately defined for construction.

[0021]

Since the roof waterproof structure according to the present invention has the above-described structure and operation, it has the following great effects.

(1) A beautiful waterproof roof having a smooth continuous silhouette from a flat roof to a sloped roof can be easily and reliably constructed. (2) After the construction of the sloping roof portion is completed, the flat roof portion can be waterproofed. (3) Therefore, it is possible to waterproof the flat roof after removing the scaffold.

(4) Since the waterproof metal fitting can be attached to the joint at an early stage under good construction conditions, the reliability and reliability of waterproof construction at this portion can be improved.
(5) Overall construction management becomes easier and it can contribute to quality improvement. (6) Further, the entire waterproof construction can be easily carried out without requiring skill, and the entire construction period can be remarkably shortened.

[Brief description of drawings]

FIG. 1 is a perspective explanatory view of a waterproof roof having a waterproof structure according to the present invention.

FIG. 2 is a cross-sectional view of a main part of the waterproof roof of FIG.

FIG. 3 is a perspective explanatory view of a waterproof hardware and a usage example.

FIG. 4 (A), (B), (C), (D), (E)
[Fig. 3] is a simplified diagram showing a process of constructing a waterproof structure of the present invention.

FIG. 5 is a perspective view illustrating the waterproof structure of the present invention during construction.

FIG. 6 is an explanatory perspective view showing a state where the waterproof construction of FIG. 5 is completed.

7 (A), (B), (C) and (D) are simplified diagrams showing construction of a conventional waterproof structure.

[Explanation of symbols]

1 Flat roof 2 Sloped roof 3 Joint 4 Waterproof hardware 5 Horizontal piece 6 Standing piece 7 Sloping piece 8 Waterproof cover 8a Joint piece 9 Scaffolding 10 Roofing material 11 Waterproof sheet 12 Field board 13 Foam plastic material 14 Roofing sheet 15 Drainage at the front of the house 16 Mortar layer 17 Frame beam 18 Support plate 19 Holding hardware 51 Flat roof 52 Sloped roof 53 Junction 54 Tarpaulin 55 Scaffold 56 Roofing material

Claims (2)

[Claims] 1. A waterproof structure for a roof including a flat roof part and a pitched roof part, wherein a support plate connected to a frame of a building is arranged at a boundary part between the flat roof part and the pitched roof part, and the pitched roof part is provided. The lower end surface of the roof plate is supported by the support plate, and a waterproof metal fitting is arranged and fixed on the support plate so as to cover the boundary portion between the sloped roof part and the flat roof part, and the roofing thatched on the sloped roof part A waterproof structure for a roof, characterized in that the material covers the waterproof metal on the side of the sloped roof, and the flat roof side of the waterproof metal is continuous with the waterproof part of the flat roof. 2. The waterproof structure for a roof according to claim 1, wherein the height of the waterproof metal fitting in the portion extending over the flat roof portion is set to be the maximum height of the water gradient of the flat roof portion. .