JP2021031857A - Method for repairing corrugated slate roof - Google Patents

Abstract

To provide a method for repairing a corrugated slate roof capable of securing a space sufficient for filling a heat insulating material without requiring a member such as a metallic rafter.SOLUTION: A new roof is placed by installing fixing metal fittings at a plurality of mountain parts among the mountain parts of a corrugated slate roof and fixing metallic roof materials through the fixing metal fittings.EFFECT: Since a new roof is placed on a corrugated slate roof by installing fixing metal fittings at a plurality of mountain parts of the corrugated slate roof, and installing and arraying metallic roof materials by using the installed fixing metal fittings, the corrugated slate roof can be repaired without using an excessive member such as a metallic rafter even if a working width is different between a roof material of an existing roof and a roof material of the new roof. Further, since a space is formed between an existing corrugated slate roof and the new roof by using the fixing metal fittings, a heat insulating material can be arranged by utilizing the space.SELECTED DRAWING: Figure 3

Description

The present invention attempts to repair a corrugated slate roof without removing the deteriorated roofing material by placing a metal roofing material on the existing corrugated slate roof and covering the corrugated slate roof itself. Is what you do.

A corrugated slate roof is a roof that can be roofed using a roofing material that has a corrugated shape in which peaks and valleys are alternately and continuously connected along the width direction (working width direction), and efficient construction of the roof can be achieved. Since it is possible, it is widely applied to large factories, warehouses, gymnasiums, etc.

Conventionally, when this type of roof deteriorates due to aging and needs to be repaired, a metal roofing material having the same cross-sectional shape is installed on the existing corrugated slate roof to cover it. As a prior art in this regard, for example, a corrugated slate roof repair method disclosed in Patent Document 1 is known.

In the construction method disclosed in the above document, the corrugated slate roof and the main building material are connected, and the existing hook bolt discharged on the corrugated mountain portion of the corrugated slate roof is used as it is, and the existing hook bolt protruding on the corrugated mountain portion is used as it is. The first step of cutting a tap on the hook bolt to form a new male threaded portion, and inserting the seat plate into the male threaded portion formed in this first step and screwing the fixing nut, and inserting the seat plate into the corrugated mountain portion. In the second step of fixing over the top, and on the seat plate fixed in this second step, a long metal talki is fixed over a plurality of rows at intervals in the direction perpendicular to the corrugated peak. This consists of a third step of installing a steel plate roofing material formed with a plurality of trapezoidal peaks on the metal talki fixed in the third step. According to such a construction method, it was said that the repair work could be carried out without any modification to the existing corrugated slate roof.

Japanese Unexamined Patent Publication No. 2016-130441

By the way, in the above-mentioned conventional technique, an extra member such as a metal talki is required, and it takes time to install the member, so that not only the cost increase is unavoidable, but also the corrugated slate roof is efficiently repaired. It could not be said that it could be done. In addition, when renovating a corrugated slate roof, it may be required to fill the space between the existing roof and the new roof with heat insulating material. There was a problem that a large heat insulation defect occurred in the part where the metal roof was installed.

An object of the present invention is a corrugated slate roof that does not require a member such as a metal talki and can secure a sufficient space between an existing corrugated slate roof and a new roof to fill a heat insulating material. It is in the place of proposing a repair method for.

The present invention relates to a corrugated slate-roofed roof in which peaks and valleys are alternately connected along the width direction and fixed and held via hook bolts that penetrate at least one of the peaks and are linked to the main building. In the method of repairing the corrugated slate roof by installing and arranging metal roofing materials above the corrugated slate roof and roofing a new roof.
A method for repairing a corrugated slate roof, characterized in that fixing metal fittings are installed in a plurality of mountain portions of the corrugated slate roofing mountain portion, and then the metal roofing material is fixed via the fixing metal fittings. Is.

In the method for repairing a corrugated slate roof having the above configuration, the fixing bracket has a mountain portion where the hook bolt is located and a screw with a seat that is driven into the main building through the mountain portion where the hook bolt does not exist. The metal roofing material is a roofing material having a corrugated shape in which peaks and valleys are alternately connected, and the fixing bracket is new to the corrugated slate roof. It consists of two types: a standard fixing bracket with a height that divides the space for arranging the heat insulating material between the roofs, and a tall fixing bracket with a height 5 to 10 mm higher than the standard fixing bracket. Further, the standard fixing bracket is used only in the mountain portion where the hook bolt is located and the two mountain portions sandwiching the mountain portion on both sides with reference to the hook bolt located in the overlapping portion of the corrugated slate roof. It is preferable as a concrete means for solving the problem.

According to the present invention, fixing brackets are installed on a plurality of mountain portions of a corrugated slate roof, and metal roofing materials are installed and arranged using the installed fixing brackets on the corrugated slate roof. Because the new roof is roofed, even if there is a difference in the working width between the roofing material of the existing roof and the roofing material of the new roof, it corrugates without using extra members such as metal slate. It is possible to repair the slate roof.

Further, according to the present invention, since a space is formed between the existing corrugated slate roof and the new roof by using the fixing bracket, the heat insulating material can be arranged using the space. ..

Further, according to the present invention, the hook bolt located at the overlapping portion of the corrugated slate roof is used as a reference, and the standard fixing is performed only on the mountain portion where the hook bolt is located and the two mountain portions sandwiching the mountain portion on both sides. Since the metal fittings are used, it is possible to hold and fix the metal roofing material in a horizontal position when roofing a new roof, and the appearance of the new roof is not spoiled.

It is the figure which showed the front part of the corrugated slate roofing roof for a part. (A) and (b) are diagrams schematically showing the configuration of the fixing bracket. It is the figure which showed the repair situation of the corrugated slate roof. It is the figure which showed the situation which fixed the fixing metal fitting by providing the screw with a washer. It is the figure which showed the state which the metal roofing material was tilted and attached. It is a figure which showed the installation pattern of a fixing metal fitting. It is the figure which showed typically the fixing state when the fixing metal fitting was fixed by using a hook bolt, and when the fixing metal fitting was fixed by using a screw with a washer.

Hereinafter, the present invention will be described in more detail with reference to the drawings.
FIG. 1 is a diagram showing a part of the front surface of a corrugated slate-roofed roof in which peaks and valleys are alternately connected along the width direction.

Usually, this type of corrugated slate roofing roof uses, for example, a plurality of roofing materials having a working width of 780 mm, and forms an overlapping portion 1 at an end portion in the width direction between the roofing materials arranged adjacent to each other. At the same time, the mountain part 2a (the linear dimension W from the mountain part 2a to the next mountain part 2a: 780 mm) located in the overlapping part 1 and the mountain part 2b (the mountain part) located in the middle part in the width direction of the roofing material. The roofing material is fixedly held via the hook bolt 4 that penetrates the mountain portion and is linked to the main building 3 (the linear dimension W1 from 2a to the mountain portion 2b is 390 mm) (the hook bolt 4 is 1 between the linear dimensions W). (In the case of main placement and fixing), or by setting the linear dimension W1 to 260 mm and arranging two hook bolts 4 at equal intervals between the linear dimensions W to fix and hold the roofing material. ing.

In the present invention, in such a corrugated slate roof, fixing metal fittings 5 as shown in FIGS. 2 (a) and 2 (b) are arranged on the mountain portions of the corrugated slate roof, and the fixing metal fittings 5 are arranged as shown in FIG. A new roof is laid by fixing the metal roofing material 6 through the roofing material 6.

In the present invention, as the metal roofing material 6, a roofing material having a corrugated shape in which peaks and valleys are alternately connected can be used. Further, as the fixing bracket 5, a pair of locking pieces 5a are provided, the pair of locking pieces 5a are inserted into the lower surface of the nut 4a of the hook bolt 4, and the bolt 5b provided on the main body portion of the fixing bracket 5 is screwed. It is possible to use a structure in which the nut 4a is embraced by the locking piece 5a to be fixed to the corrugated slate roof, and the mountain portion of the metal roofing material 6 is locked by the screw 5d on the top wall 5c. it can.

The working width of the roofing material constituting the corrugated slate roof is 780 mm, and the metal roofing material 6 is used when, for example, a roofing material having a working width of 650 mm is used to repair the corrugated slate roof. Since the working width of the metal roofing material 6 is smaller than the working width of the corrugated slate roof, the metal roofing material 6 cannot be fixed even if the fixing bracket 5 is fixed by using the hook bolt 4. Occurs.

Therefore, in the present invention, as shown in FIG. 4, for the mountain portion where the hook bolt 4 does not exist, a screw 7 with a washer that can be driven into the purlin 3 through the mountain portion is provided, and the screw 7 with a washer is provided. Fix the fixing bracket 5 with.

In the present invention, fixing brackets 5 are installed on a plurality of mountain portions of a corrugated slate roof, and metal roofing materials 6 are installed and arranged using the installed fixing brackets 5 to arrange the corrugated slate roof. Since a new roof is laid on the roof, it is possible to repair the corrugated slate roof without using extra members such as metal talki, and the existing fixing bracket 5 is used. It is possible to form a space M between the corrugated slate roof and the new roof, and the heat insulating material can be arranged using the space M.

In the corrugated slate roof, the roof is raised while the ends in the width direction are overlapped to form the superposed portion 1, and a step is formed in the superposed portion 1 by the thickness thereof. Therefore, when a new roof is roofed using the fixing brackets 5 having the same height, the metal roofing material 6 is tilted and fixed as shown in FIG. 5, and the appearance of the new roof is improved. There is also concern that it will be damaged.

In the present invention, a standard fixing bracket (standard fixing bracket) 5A having a height capable of forming a sufficient space M for filling the heat insulating material and a standard fixing bracket 5A in consideration of the above-mentioned step. Two types of fixing brackets (tall fixing brackets) 5B, which are about 5 to 10 mm higher than the above, are used to maintain the new horizontal posture of the roof and maintain the aesthetic appearance.

As shown in FIG. 1, the standard fixing bracket 5A is based on the hook bolt 4 located at the overlapping portion 1 of the corrugated slate roof, and the mountain portion where the hook bolt 4 is located and the mountain portion on both sides thereof. It can be used only in the two mountain parts to be sandwiched (region L in FIG. 1), and the tall fixing bracket 5B may be used for other parts, so that the metal roofing material 6 can be fixedly held in a substantially horizontal posture. Yes, you can roof a new roof with good aesthetics.

FIG. 6 shows a standard fixing bracket 5A, tall, when a metal roofing material 6 having a working width of 650 mm is installed on a corrugated slate roof having a working width of 780 mm to repair a corrugated slate roof. It is a figure which showed the arrangement pattern of the fixing metal fitting 5B. However, the metal roofing material 6 is fixed by the fixing bracket 5 at the overlapping portion of the roofing material.

In the installation pattern 1 in FIG. 6, the installation start point P of the metal roofing material 6 is aligned with the hook bolt of the overlapping portion 1 of the corrugated slate roof, and the fixing bracket 5 for installing the metal roofing material 6 is The installation pattern 2 is an installation pattern of the fixing bracket 5 when the installation start point P of the metal roofing material 6 is shifted to the right side of the paper by one mountain to install the metal roofing material 6. Reference numeral 3 denotes an installation pattern of the fixing bracket 5 when the installation start point P of the metal roofing material 6 is shifted to the right side of the paper by two mountains to install the metal roofing material 6, and the installation pattern 4 is the metal roofing material. The installation pattern of the fixing bracket 5 when the installation start point P of 6 is shifted to the right side of the paper by three mountains, and the installation pattern 5 is the installation pattern 5 of the installation start point P of the metal roofing material 6 to be shifted to the right side of the paper by four mountains. This is an installation pattern of the fixing bracket 5 when the metal roofing material 6 is installed.

In either installation pattern, the standard fixing bracket 5A and the tall fixing bracket 5B are fixed at appropriate positions, so that the metal roofing material 6 is securely placed on the corrugated slate roof while maintaining the horizontal posture. Can be fixed to.

In the method for repairing a corrugated slate roof according to the present invention, the working width of the corrugated slate roof is 780 mm and the working width of the metal roofing material 6 is 650 mm. Installation pattern so that the standard fixing bracket 5A is installed only on the mountain portion where the hook bolt 4 is located and the two mountain portions that sandwich the mountain portion on both sides, with reference to the hook bolt 4 located at the mating portion 1. By determining the above, the metal roof plate material 6 can be reliably fixed to the corrugated slate roof regardless of the difference in working width, and is not limited to the installation pattern shown in the figure.

FIG. 7 is a diagram schematically showing a fixing state when the fixing bracket 5 is fixed by using the hook bolt 4 and when the fixing bracket 5 is fixed by using the screw 7 with a washer. There is a slight deviation (d) in the installation position of the fixing bracket 5 between the case where the fixing bracket 5 is fixed by using the hook bolt 4 and the case where the fixing bracket 5 is fixed by using the screw 7 with a washer. When the metal roofing material 6 is fixed to the center of the fixing bracket 5 with the screw 5d, the driving position of the screw 5d is deviated by (d) and the appearance is impaired. Therefore, when fixing the metal roofing material 6 to the fixing metal fitting 5, for the fixing metal fitting 5 fixed by the screw 7 with a washer, as shown by the virtual line in FIG. 7, the driving position of the screw 5d is set to (d). ), It is preferable to fix the metal roofing material 6.

According to the present invention, it is possible to eliminate the need for members such as metal talki and secure a sufficient space between the existing corrugated slate roof and the new roof to fill the heat insulating material. A method of repairing a corrugated slate roof can be provided.

Further, according to the present invention, even if there is a difference in working width between the roofing material constituting the existing slate-roofed roof and the roofing material constituting the new roof, the roofing material constituting the new roof is used as the foundation roof. It is possible to provide a method for repairing a corrugated slate-roofed roof that can be securely fixed while maintaining a horizontal posture on the roof.

1 Overlapping part 2a Mountain part 2b Mountain part 3 Main building 4 Hook bolt 4a Nut 5 Fixing bracket 5a Locking piece 5b Bolt 5c Top wall 5d Screw 5A Standard fixing bracket 5B Tall fixing bracket 6 Metal roofing material 7 Screw with washer M space

Claims (5)

Corrugated slate roofs that alternate between peaks and valleys along the width direction and are fixed and held via hook bolts that penetrate at least one of the peaks and are linked to the main building, and their corrugated slate. In the method of repairing the corrugated slate roof by installing and arranging metal roofing materials above the roof and roofing a new roof.
A method for repairing a corrugated slate roof, characterized in that fixing metal fittings are installed in a plurality of mountain portions of the corrugated slate roofing mountain portion, and then the metal roofing material is fixed via the fixing metal fittings. .. Claim 1 is characterized in that the fixing bracket is installed in a mountain portion where the hook bolt is located and a mountain portion where a screw with a washer that is driven into a purlin through a mountain portion in which the hook bolt does not exist is located. How to repair a corrugated slate roof described in. The method for repairing a corrugated slate-roofed roof according to claim 1 or 2, wherein the metal roofing material is a roofing material having a corrugated shape in which peaks and valleys are alternately connected. The fixing bracket has a standard fixing bracket having a height for partitioning a space for arranging a heat insulating material between the corrugated slate roof and the new roof, and a height 5 to 10 mm higher than the standard fixing bracket. The method for repairing a corrugated slate roof according to any one of claims 1 to 3, wherein the tall fixing bracket is provided. The standard fixing bracket is used only in the mountain portion where the hook bolt is located and the two mountain portions that sandwich the mountain portion on both sides, with reference to the hook bolt located in the overlapping portion of the corrugated slate roof. The method for repairing a corrugated slate roof according to claim 4.

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