JP3135625B2 - Renovation roof structure of asbestos slate 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 renovated roof structure in which a special base sheet is interposed between a new roof and an existing roof material without removing an existing asbestos slate roof.

[0002]

2. Description of the Related Art In general, roof renovation using asbestos slate-based roofing material involves removing all existing roofing material or placing rafters on an existing roof as a new basement, and laying a base plate thereon. Either a new base material is formed and then a new roofing material is laid.

[0003]

However, in order to remove the existing roof and form a new roof, it is necessary to stop living for a long period of time, and it is difficult to dispose of the waste roof material. Moreover, there is a disadvantage that the total cost for renovation is enormous. In addition, if a new foundation is formed on an existing roof and a new roofing material is laid on it to renovate the roof, there is no need to stop living and the improvement is often much better than the above. However, the number of necessary members is increased and the cost is inevitably increased. In addition, special members for installing keraba, eaves, etc., and soundproofing materials must be added.
In addition, the existing roof of asbestos slate roofing material is vulnerable to external pressure,
Not only did the rafters not come into uniform contact with the overlapped parts, resulting in a lack of stability, but also damage to the overlap of the existing roofing material when renovating a new roof.

[0004]

SUMMARY OF THE INVENTION According to the present invention, there is provided a roof material surface of an existing asbestos slate roof,
In addition, the direction between the front and back surfaces of the base sheet provided in parallel with the roof gradient between the core materials of the new roof material is opposite to the direction generated between the front and back surfaces, and the space having a triangular cross section is filled with this space, and the compressive strength, Renovation roof structure of asbestos slate roof in which a backing material made of plastic foam with waterproofness, nailing and guiding properties is interposed with the above sheet and a new horizontal roof metal roofing material is laid on the core material Is proposed.

[0005]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an exploded perspective view showing a modified roof structure of an asbestos slate roof according to the present invention. That is, FIG. 1 is a cross-sectional view showing a typical example of the above-mentioned invention, and 1 is an existing roof, which includes a rafter 2, a field board 3, a waterproof sheet 4, and an asbestos slate roof material (hereinafter simply referred to as a roof material) 5. Is formed.

[0006] Reference numeral 6 denotes a new base sheet which is stretched in parallel with the slope of the existing roof 1 at a position between or slightly above the surface vertices of the roofing material 5 of the existing roof 1 as shown in FIG.
And back-up materials 8 and 9 made of plastic foam integrated on the front and back surfaces. More specifically, the new base sheet 6 has a base function of the new roof 12, and is used as a guide material, a heat insulating material, a waterproof material, a dimension repair material, and a filler.

In particular, the new base sheet 6 includes a gap 10 having a triangular cross section generated at a step between the base sheet 7 and the roof material 5 and a gap 1 having a triangular cross section generated between the core members 14 of the new roof 12.
1 and is useful for filling. In addition, the void 1
The directions of 0 and 11 are opposite, and their dimensions and the like are arbitrary.

More specifically, the base sheet 7 functions as a waterproofing material and a connecting material, and may be one of aluminum kraft paper, asphalt felt, a plastic sheet, a lead foil, or a laminate of one or more of these. It is a flexible sheet whose size is 200 to 7
It is about 00 mm and the length is about 2000 to 3000 mm.

The backup materials 8, 9 are made of one of polyurethane foam, polyisocyanurate foam, phenol foam, polystyrene foam, vinyl chloride foam and the like, and have a compressive strength of 0.5 to 3 kg / cm.
Triangular shape (wedge shape) corresponding to gaps 10 and 11 at ^2nd place
Or somewhat smaller dimensions. Note that the base sheet 7 and the backup materials 8 and 9 may be integrated with each other by using an adhesive, a double-sided tape, or the like. The backup materials 8, 9
May have a length of about 1000 to 3000 mm, a width of about 150 to 500 mm, a height of about 5 to 50 mm, and may differ in size between the backup materials 8 and 9. Moreover, the positions of the backup materials 8 and 9 on the base sheet 7 are planted so as to correspond to the steps of the existing roof 1 and the new roof 12.

As shown in FIGS. 1 and 3, the new roof 12 is a metal horizontal step roof material, and the metal roof material 13, the core material 14, and the fixture 15 are placed on the new base sheet 6 in FIG. As shown, it was formed in a staircase. Also, the core material 14 is shown in FIG.
900x1800mm, thickness is 7 ~ 15m as shown in
It is made of one of m-th grade insulating insulation board, rock wool treated with water repellent, and plastic foam with enhanced compression resistance.

Next, the construction order of the modified roof structure of the asbestos slate roof according to the present invention will be described with reference to FIG. First, a new base sheet 6 is placed on the roof material 5 of the existing roof 1 at the end.
Form the roof foundation toward the ridge while stacking.

Next, an arabesque starting material is fixed to an eaves not shown, and one end of a core material 14 as shown in FIG. 4 is placed on an end of the starting material. Next, the first stage roofing material 1
3. For example, the locking portion 13a of the metal roofing material 13 having a cross section as shown in FIG.
The fixing part 13c at the other end is fixed to the rafter 2 via the fixing tool 15.

Next, one end of the core material 14 used in the second stage is placed on the fixing portion 13c, and is also disposed on the backup material 9, and the second portion is attached to the engaging portion 13b of the metal roof material 13. The locking portion 13a of the metal roofing material 13 of the step is locked. Therefore, in order to lay a new roof 12, the above-described steps may be sequentially and repeatedly performed up to the building .

[0014] The above described is only an example of a renovation roof construction asbestos slate roof according to the present invention, for example, gold
Genus made as a roofing material 13 may be used to FIGS. 5 (a) ~ shape of the metal roofing 13 as shown in (d) the well-known roofing material or not shown. Although not shown, the backup materials 8 and 9 can be arranged in a plurality of stages on both the front and back surfaces of the base sheet 7 of the new base sheet 6 in the same manner as described above.

[0015]

As described above, according to the asbestos slate roof repair structure according to the present invention, the existing roof has three sides on both sides.
New ground sheet with integrated rectangular backup material
The use of a heat sink makes it easy to form a high-strength
In addition, a new roof with a backing material on the top side
The roof can be easily formed, and the seating (stability) is improved.
Plastic foam used as backup material
New roofing material is used as a fixture because of its high compressive strength.
When fixing to the rafters of the existing roof, drive in the fixing tool
The new roofing material will not be damaged by too much
Pain on new roof material even when walking on the new roof after renovation
Intense strength is obtained. Heat insulation is improved.
Without destroying existing roofs and without stopping living
Can be renovated. There are features and effects such as.

[Brief description of the drawings]

FIG. 1 is an explanatory view showing one embodiment of a modified roof structure of an asbestos slate roof according to the present invention.

FIG. 2 is a perspective view showing an example of a metallic roofing material used in the present invention .
FIG.

FIG. 3 is a modified roof structure of an asbestos slate roof according to the present invention .
FIG. 3 is a perspective view showing an example of a core material used for the present invention.

FIG. 4 shows another example of a new base sheet used in the present invention .
FIG.

FIG. 5 shows another embodiment of the metallic roofing material used in the present invention .
FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Existing roof 2 Rafter 3 Field board 4 Waterproof sheet 5 Asbestos slate roof material 6 New base sheet 7 Base sheet 8 Backup material 9 Backup material 10 Void 11 Void 12 New roof 13 Metal roof material 14 Core material 15 Fixture

Continuation of the front page (58) Field surveyed (Int. Cl. ⁷ , DB name) E04D 3/00-3/40 E04D 12/00

Claims (1)

(57) [Claims] 1. A renovation roof structure was葺成a new roofing material of metal next to stage葺on an existing asbestos slate roofing, foundation Sea
Cross section 3 with compressive strength of 0.5 to 3 kg / cm ^{2 on} both sides of
Backup material made of square plastic foam
Existing asbestos slate roof material table with integrated new base sheet
Fills the gap between the surface and the core of the new roofing material
Renovation roof structure of asbestos slate roof, characterized by providing a new foundation formed in such a way .