JPH10131412A - Work execution method for eaves of roof - Google Patents

Abstract

PROBLEM TO BE SOLVED: To be suitable especially for laying a new roofing surface member on an existing roof to be repaired, maintain a good exterior, have no need to replace a roof gutter, bring a height of eaves of a roof to a height of an existing roof. SOLUTION: An eaves cover 11 formed by bending an atmospheric-corrosion resistant steel sheet is securely mounted to eaves of an existing asbestos-cement roof 1 so that the eaves edge is wrapped, an under surface of an atmospheric- corrosion resistant steel sheet 7 having less surface frictional resistance than an asbestos-cement sheet is laminated with a rigid foam 6 such as a rigid polyisocyanate foam to form a multi layer, and a fixing edge 9 is provided longitudinally at one end of the multi-layer and an engaging edge 10 engageable thereto is provided longitudinally at the opposite end to prepare a roofing member 2 as a surface member. The roofing member 2 is laid directly on the existing asbestos-cement roof 1 so that an eaves end of the roofing member 2 is positioned toward a ridge side upper than an eaves end of the existing asbestos- cement roof 1 and a non-surface-member laid surface 14 on which the roofing member 2 is not laid over a setted width at the eaves end of the existing asbestos-cement roof 1 is formed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of constructing a roof eaves portion when laying another surface material on a roof, for example, laying a new surface material on an existing roof.

[0002]

2. Description of the Related Art For example, in repairing a corrugated slate roof, it has been common to lay a new surface material as a roof material on an existing slate roof via a pier (auxiliary material). Naturally, the eaves of the renovated roof had the lower end of the surface material laid on top aligned with the eaves of the existing slate roof. However, as it was, the position of the surface material became high, and in combination with the slope of the roof, rainwater flowed over the eaves gutter installed on the existing slate roof. The only countermeasure was to remove the installed eaves and reattach them to a position that matches the eaves of the newly laid surface material. In particular, if a plate material with a lower surface friction resistance than a slate roof is used as the surface material, the rainwater flowing down the surface will flow faster and fly farther from the eaves, so collect rainwater with eaves gutters. Was difficult.

[0003]

As described above, according to the conventional construction method, it takes time to remove the eaves gutter attached to the eaves of the existing slate roof, and to newly attach the eaves gutters to match the eaves of the surface material. The work efficiency was not good. In addition, in both cases of replacement and new construction, there have been cases where mounting brackets must be specially ordered in relation to the eaves gutter mounting position. Nevertheless, in many cases, it was difficult for rainwater to enter the eaves gutter. In addition, there is also a problem in that the appearance of the roof is unfavorable because the eaves of the roof are doubled and high, giving a sense of oppression to a person looking from below.

Therefore, the present invention is preferable when laying a surface material further on a roof, for example, when laying a surface material on an existing roof to be renovated. This is a particularly preferable construction method when laying a surface material as a small roofing material, it can maintain good appearance and does not need to replace or newly install rain gutters. It is an object of the present invention to provide a new roof eave construction method capable of collecting rainwater and preventing the adverse effect of the raised roof eave.

[0005]

[Means for Solving the Problems] To solve such problems,
According to the present invention, when laying a surface material further on a roof as an existing roof or a new roof, the lower end of the surface material is located above the roof edge, and the roof surface edge near the eaves is formed with an appropriate width. There is a method of constructing a roof eaves characterized by laying a surface material so that the surface is not laid. The surface material may be a thick plate having a weather-resistant surface and having a surface frictional resistance smaller than that of the roof surface. In addition, this surface material may be a thick plate having a structure in which a weather-resistant steel sheet having a surface friction resistance smaller than the surface of the roof is used as a surface material, and a hard foam layer is laminated at a predetermined thickness on the back surface. it can. In the above, the eaves wrap is fixed so as to cover at least the roof surface portion near the eaves including the surface material non-laying surface or the surface material non-laying surface,
Surface materials can be laid on the roof.

[0006] According to the eaves construction method, the rainwater flowing down the surface of the surface material falls on the non-laying surface of the roof material at the eaves part, and then flows into the rain gutter from the roof edge. Therefore, rainwater surely flows into the eaves gutter. In particular, even when a surface material having a small surface frictional resistance is used, rainwater will fall on the eaves gutter along the non-laying surface of the surface material. Therefore, the renovation of the roof where the surface material is laid on the existing roof,
In addition, either in the construction of a new roof with a surface material laid on the roof, there is no need to replace the eaves gutter, or the eaves gutter may be installed in the same place with the same construction procedure as before, and The height of the eaves can be stored at the height of the eaves of the roof, so there is no adverse effect due to the height of the eaves, and the appearance can be kept good. No special burden is added to the construction of the roof, and the construction of the roof can be performed simply, reliably and thoroughly. If the surface non-laying surface of the roof is covered with the eaves wrap, the roof surface will be sufficiently protected, and the appearance will be better. As an example of roof renovation, slate roof renovation, especially a configuration in which a weather resistant steel sheet with a lower surface friction resistance than a slate such as a galvalume steel sheet and a hard foam layer as a hard synthetic resin foam are laminated on an existing slate roof Although there is a modification of a slate roof in which a surface material as a roof material is laid, the present invention is not limited to this use.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A preferred embodiment of the present invention will be described below with reference to the drawings. The present embodiment is a case in which an existing slate roof is repaired, and illustrates a method of constructing the eaves portion, and a surface friction resistance smaller than the friction resistance of the roof surface on the existing slate roof 1 as a roof. The roof material 2 for repair as a surface material having the following is laid with its length direction being the eaves ridge direction.

The existing slate roof 1 is a corrugated body made of cement, asbestos or the like as a main raw material, taken out by a round-mesh-type stirrer, pressed and formed into a corrugated structure, and as shown in FIG. 1 and 3, an existing rain gutter 4 is fixed below the existing slate roof 1 along the eaves of the existing slate roof 1 as shown in FIGS. 1 and 3. It is supported and installed by the member 5.

As shown in FIG. 2, the roofing material 2 is provided with a hard polyisocyanurate foam or the like on the back surface of a weather-resistant steel plate 7 having a smaller surface friction resistance than a slate material such as a gallbarium steel plate formed into a corrugated shape. The hard foam layer 6 made of a hard synthetic resin foam of the above is laminated, and on the back surface of the hard foam layer 6,
The backing material 8 is a metal foil such as an aluminum foil or a paper material or the like, such as an aluminum foil, through which the bar-shaped projections can penetrate while keeping the back surface flat, and a plastic film is appropriately laminated according to a requirement such as water resistance. One side end of the weather-resistant steel plate 7 is formed with a fixing edge 9 having a flat portion 9b and an engaging portion 9c via a draining portion 9a. A fitting edge 10 comprising a fitting portion 10a and a locking portion 10b which can be fitted and locked from outside of the fixing edge 9 is formed on the opposite end of the conductive steel plate 7 so as to extend therefrom.

In the method for constructing the eaves of this embodiment, first, as shown in FIG. 1, an eaves wrap 11 is fixed to the eaves of the existing slate roof 1 so as to wrap the leading edge. Eaves wrap 11
Is formed by bending a weather-resistant steel plate, and has a surface side portion 11a which is inserted between the existing slate roof 1 and the roofing material 2 at an appropriate length inside the end of the roofing material 2. The edge portion of the side portion 11a is bent to form an end surface side portion 11b and a back surface side portion 11c so as to extend from the surface of the eaves portion of the existing slate roof 1 to the end surface and the back surface. The eaves wrapper 11 is fixed to the existing slate roof 1 by driving a drilling screw 12 into an appropriate portion of the front side portion 11a, and furthermore, a waterproof sheet 13 made of aluminum or the like is provided so as to cover the screw head at the screwing point. Is adhered.

Next, as shown in FIG. 1 and FIG. 4, a protruding end portion 3a of the fixing member 3 for fixing the existing slate roof 1 to the main building A protrudes above the existing slate roof 1 (indicated by a dotted line in FIG. 1). Then, after appropriately cutting off the tip of the bolt protruding from the nut) as necessary, the roof material 2 is made shorter than the eave tip of the existing slate roof 1 by a predetermined length or more. Of the eaves of the existing slate roof 1 is located on the upper ridge side of the eaves of the existing slate roof 1.
The roofing material 2 is used over the existing slate roof 1 so that the roofing material non-laying surface 14 (that is, the surface material non-laying surface) where the roofing material 2 is not laid over a predetermined width or more is exposed at the eaves tip. Then, as shown in FIG. 4, as shown in FIG. 4, a drilling screw 12 is driven into the fixing edge 9 and fixed to the purlin. At this time, the predetermined width of the roofing material non-laying portion is increased or decreased depending on the height of the pier, the thickness of the roofing material 2, the roof gradient, and the like. After flowing over the part, it flows into the existing rain gutter 4 and is set at a distance such that it does not jump over the existing eave gutter and flow down.

Next, as shown in FIG. 4, the fitting edge 10 of the roofing material 2 installed adjacent to the fixing edge 9 of the roofing material 2 fixed as described above is fitted and locked. On the existing slate roof 1, the desired number of roof materials 2 are sequentially connected so that the fixing edge 9 at the other side end is fixed to the main building through the existing slate roof 1 in the same manner as the first roof material 2. In this case, a roofing material 2 having a lower surface friction resistance than the existing slate roof 1 is laid over both ends in the width direction of the roof, and the roofing material 2 at the eaves is shorter than one end of the slate roof 1 and has an appropriate width. The end of the surface of the existing slate roof 1 is exposed as a roof material non-laying surface 14, and this portion can be covered with the eaves wrap 11 to construct an eaves tip. In the construction of the eaves tip, as shown in FIG. 1, the existing rain gutter 4 can be kept in a state before the repair.

According to the construction method of the eaves tip, the roof material 2
Rain water flowing down on the surface of the roof material 2 once falls from the tip of the eaves of the roofing material 2 to the surface side portion 11a of the eaves wrap 11, and flows along the surface side portion 11a into the existing rain gutter 4 as in the related art. Not only does it not have to remove and re-install the existing rain gutter 4, but the height of the roof eaves is the same as before the renovation, so there is no adverse effect due to the height of the roof, and the eaves wrap 11 is located at the tip of the eaves. The appearance of the eaves can be enhanced by hiding the eaves. In the drawings, the back side of the eaves of the roofing material 2 is formed as a notch 15 so that a drilling screw 12 for fixing the eaves wrap 11 does not come into contact with the eaves, but the notch 15 is not necessarily formed.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view showing a structure of a roof eave tip constructed according to the present invention.

FIG. 2 is a cross-sectional view in the width direction showing a roofing material for renovation constituting the roof eaves portion of FIG.

3 is a laying schematic diagram illustrating the entire slope of the laying state of the roofing material of FIG. 1;

FIG. 4 is a cross-sectional view in the width direction showing a connected state of roof materials in FIG. 1;

[Description of Signs] A purlin 1 Existing slate roof as roof 2 Roof material as surface material 3 Fixing member 4 Existing rain gutter 5 Support member 6 Hard foam layer 7 Weatherproof steel plate 8 Backing material 9 Fixing edge 10 Fitting Edge 11 Front wrapping 12 Drilling screw 13 Waterproof sheet 14 Non-laying surface of roofing material 15 Notch

Continued on the front page (72) Inventor Hiroshi Sakata 200-7 Fukui-cho, Ashikaga-shi, Tochigi

Claims (4)

[Claims] 1. When laying a surface material further on a roof, the lower end of the surface material is positioned above the roof edge, and the roof surface end near the eaves becomes an appropriate width with no surface material laid surface. Construction method of the roof eaves part characterized by laying like this. 2. The roof material according to claim 1, wherein the surface material is a thick-walled body having a weather-resistant surface and has a surface friction resistance smaller than that of the roof surface. Construction method of the eaves front. 3. The surface material is a thick plate having a structure in which a weather-resistant steel plate having a surface friction resistance smaller than the surface of the roof is used as the surface material, and a hard foam layer is laminated on the back surface with a predetermined thickness. The method according to claim 1, wherein the roof eaves portion is installed. 4. An eaves wrap is fixed so as to cover at least a roof surface portion near the eaves including the surface material non-laying surface or the surface material non-laying surface, and the surface material is laid on the roof. The construction method of an eaves part of a roof according to any one of claims 1 to 3.