JP2008115635A - Waterproof structure of rooftop - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a waterproof structure of a rooftop, eliminating the time and trouble for after-treatment or the like in installing a rooftop-installed object on the rooftop surface, and improving the waterproof performance. <P>SOLUTION: In this waterproof structure of a rooftop 1, on the rooftop surface 1a of a building, a bed frame 3 is provided for supporting the rooftop-installed object 2 such as a solar battery module 20 at a predetermined height, and a waterproof sheet 4 is laid to rise up to a predetermined height of the outer peripheral surface of the bed frame 3, and the upper edge of the waterproof sheet 4 is covered with a drip member 5 provided along the outer peripheral surface of the bed frame 3. Thus, unlike the conventional structure, caulking material or the like is not needed, and rainwater can be surely prevented from entering between the rooftop surface and the waterproof sheet. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a waterproof structure for a rooftop on which a rooftop installation such as a solar cell module is installed.

Conventionally, various rooftop installations such as a solar cell module, a commercial signboard, a television antenna, a storeroom, and a clothes rack are installed on the rooftop of a building.
For example, in the case of a solar cell module, on a horizontal installation surface such as a flat roof or the ground, a frame is assembled with a frame material assembled in a triangular prism shape, and a solar cell panel incorporating a solar cell is placed on this frame. Technology for the installation structure of solar cell modules and solar cell modules, such as those in which the rails are arranged side by side on the base material of the roof, and the solar cell panel incorporating the solar cells is attached as a roof material on the rails. It is known (see, for example, Patent Document 1).
JP 2000-208802 A

By the way, when installing a frame or rail for installing a solar cell module or the like on the roof surface, after installing these frames and rails on the roof surface, a waterproof sheet covering the roof surface is laid and a waterproof property on the roof is provided. There is a case to secure.
However, when the waterproof sheet is laid after installing the mount or rail on the roof in this way, the waterproof sheet may be cut at the lower end of the mount or rail, and the cut portion may be post-treated with a caulking material or the like. there were. For this reason, it takes time and labor for post-treatment with a caulking material and for repair work when the caulking material has deteriorated over time.
In addition, even when a frame or rail is installed after laying a waterproof sheet on the entire surface of the roof, screws and nails are used to fix the frame and rail to the roof using fasteners such as screws and nails. The area where the fasteners were used had to be post-treated with caulking materials.

  SUMMARY OF THE INVENTION An object of the present invention is to provide a rooftop waterproof structure capable of improving the waterproofness while omitting troubles such as post-processing when a rooftop installation such as a solar cell module is installed on the rooftop surface. With the goal.

The invention according to claim 1 is a waterproof structure of the rooftop 1. For example, as shown in FIGS. 1 to 3, the rooftop installation object 2 such as the solar cell module 20 is placed at a predetermined height on the rooftop surface 1 a of the building. A gantry 3 for supporting is provided, and a waterproof sheet 4 is laid so as to be raised to a predetermined height of the outer peripheral surface of the gantry 3,
The upper end edge of the waterproof sheet 4 is covered with a draining member 5 provided along the outer peripheral surface of the gantry 3.

  According to the invention described in claim 1, the upper edge of the waterproof sheet 4 laid on the roof top surface 1 a of the building so as to rise to a predetermined height of the outer peripheral surface of the gantry 3 is formed by the draining member 5. Since it is covered, it is not necessary to use a caulking material or the like, and rain water can be reliably prevented from entering between the roof surface 1a and the waterproof sheet 4. Accordingly, it is possible to improve workability when installing the rooftop installation 2 while omitting the post-treatment and the like, and to improve the waterproofness of the rooftop surface 1a.

The invention according to claim 2 is the waterproof structure of the rooftop 1 according to claim 1, for example, as shown in FIGS.
The gantry 3 includes a base member 3a fixedly secured to a roof structural member 10a, and a support rail 3b provided so as to cover the base member 3a.

  According to invention of Claim 2, the said mount frame 3 is equipped with the base member 3a fixed to the structural member 10a of the roof, and the support rail 3b provided so that it may cover this base member 3a. Therefore, since the fixing and fixing portion of the base member 3a can be covered by the support rail 3b, intrusion of rainwater from the fixing and fixing portion of the base member 3a can be reliably prevented.

The invention according to claim 3 is the waterproof structure of the rooftop 1 according to claim 2, for example, as shown in FIG.
The support rail 3b is fixedly fixed to the base member 3a, and the fixed position is covered with the waterproof sheet 4.

  According to the invention described in claim 3, the support rail 3 b is fixedly fixed to the base member 3 a, and the fixed position of the support rail 3 b is covered by the waterproof sheet 4. It is possible to reliably prevent rainwater from entering from the wearing and fixing points.

The invention according to claim 4 is the waterproof structure of the rooftop 1 according to claim 2 or 3, as shown in FIGS.
The support rail 3b includes a hollow rail body 30 that is located at the upper part of the base member 3a and that opens at both ends in the length direction. The rooftop installation object 2 is fixed to the upper surface of the rail body 30. It is fixed.

  According to the invention described in claim 4, the support rail 3 b is provided with a hollow rail body 30 that is located at an upper portion of the base member 3 a and that is open at both ends in the length direction. Since the rooftop installation 2 is fastened and fixed to the upper surface, rainwater that has entered from the fastening fixing point of the rooftop installation 2 passes through the inside of the hollow rail body 30, It can be discharged from both ends in the length direction. Therefore, it is possible to more reliably prevent rainwater from entering between the roof top surface 1a and the waterproof sheet 4.

The invention according to claim 5 is the waterproof structure of the rooftop 1 according to claim 4, for example, as shown in FIGS.
The draining member 5 includes a draining body 5a that covers the upper edge of the waterproof sheet 4, and a fixing portion 5b that is integrally formed with the draining body 5a and is fixed to the outer peripheral surface of the gantry 3. The portion 5b is located below the opening 30b of the rail body 30.

  According to the invention described in claim 5, since the fixing portion 5 b fixed to the outer peripheral surface of the gantry 3 is located below the opening 30 b of the rail body 30, the opening 30 b of the rail body 30. Rainwater discharged from the water can pass through the surfaces of the fixing portion 5b and the draining body 5a and flow onto the waterproof sheet 4 laid on the roof surface 1a. Therefore, it is possible to more reliably prevent rainwater from entering between the roof top surface 1a and the waterproof sheet 4.

  According to the present invention, a pedestal for supporting a rooftop installation such as a solar cell module at a predetermined height is provided on the roof surface of the building, and laid so as to be raised to a predetermined height on the outer peripheral surface of the pedestal. Unlike the conventional case, the upper edge of the waterproof sheet is covered with a draining member provided along the outer peripheral surface of the gantry. It is possible to reliably prevent rainwater from entering. Accordingly, it is possible to improve the workability when installing the rooftop installation without the need for post-processing and the like, and it is possible to improve the waterproofness of the rooftop surface.

  Embodiments of the present invention will be described below with reference to the drawings.

  As shown in FIGS. 1 to 3, the waterproof structure of the rooftop 1 according to the present embodiment is a gantry 3 for supporting a rooftop installation 2 such as a solar cell module 20 at a predetermined height on a rooftop surface 1 a of the building. And a waterproof sheet 4 is laid so as to rise to a predetermined height of the outer peripheral surface of the gantry 3, and an upper end edge of the waterproof sheet 4 is provided along the outer peripheral surface of the gantry 3. Covered by a draining member 5.

  The building of the present embodiment is constructed by a panel method in which building components such as walls, floors, and roofs are panelized in advance in the factory, and these panels are assembled and constructed at the construction site. It can also be applied to buildings such as wooden frame construction methods and wall construction methods.

  That is, as shown in FIG. 2 and FIG. 3, the roof of the building of the present embodiment is configured by a roof panel 10, and the roof panel 10 is assembled with a plurality of vertical and horizontal core members 10 a in a frame shape. At the same time, a face material 10b constituting the roof top surface 1a is attached to the upper surface of the frame-like body. Further, the roof of the present embodiment is formed to be slightly inclined as shown in FIG.

  Moreover, as the rooftop installation 2 of the present embodiment, a solar cell module 20 for converting solar energy and using it as electricity or hot water is used, but is not limited to this, for example, a commercial signboard or Various antennas, storage rooms, clothes racks, vibration control devices, wind turbines for power generation, greenhouses, water storage tanks, pergolas, viewing platforms, observatories, lightning rods, rooftop greening equipment, air conditioning equipment, lighting equipment, ventilation towers, chimneys, etc. And can be appropriately changed without departing from the spirit of the present invention.

On the other hand, as shown in FIGS. 2 and 3, the gantry 3 that supports the rooftop installation 2 is fixed to a core member 10a that is a roof structural member 10a, and the base member 3a. And a support rail 3b provided to be covered.
That is, since the fixing and fixing part of the base member 3a can be covered by the support rail 3b, the intrusion of rainwater from the fixing and fixing part of the base member 3a can be surely prevented.

  The base member 3a is made of wood that is long along the slope direction of the roof and has a substantially square cross section. The base member 3a is fixed to the structural material 10a of the roof by driving a fixing material such as a nail 6 or the like. Has been. That is, the place where the fastening material such as the nail 6 is driven becomes the above-mentioned fastening and fixing place. In addition, although the cross-sectional shape of the base member 3a is substantially square, it is not limited to this, and can be appropriately changed within a range in which the shape of the base member 3a and the shape of a support rail 3b described later are matched. is there.

  The support rail 3b is formed by extruding a metal such as aluminum, and is provided with a hollow rail body 30 that is located at the upper portion of the base member 3a and that is open at both ends in the length direction. As shown in FIG. 2, peripheral wall portions 31, 31 covering both side surfaces of the base member 3 a are vertically suspended from the side edge of the lower end portion of the rail body 30. The peripheral wall portions 31 are formed integrally with the rail body 30.

The support rail 3b is fixedly fixed to the base member 3a, and the fixed position is covered with the waterproof sheet 4.
When the support rail 3b is fastened and fixed to the base member 3a, as shown in FIG. 2, fastening materials such as nails 7 and 7 are suspended from the lower side edge of the rail body 30. The peripheral wall portions 31 and 31 are fixedly fixed by being driven toward the base member 3a. And the location where fastening materials, such as this nail | claw 7,7, were driven in becomes the above-mentioned fastening fixation location.
Further, as described above, the waterproof sheet 4 is raised to a predetermined height of the outer peripheral surface of the gantry 3, and this predetermined height is a place where the support rail 3 b is fixedly fixed to the base member 3 a. It is the height that can be covered.

  In this manner, the support rail 3b is fixedly fixed to the base member 3a, and the fixing and fixing portion is covered with the waterproof sheet 4, so that the fixing rail from the fixing and fixing portion of the supporting rail 3b is covered. The infiltration of rainwater can be surely prevented.

Note that the support rail 3b of the present embodiment has a shape in which the peripheral wall portions 31 and 31 are hanged downward at the side edge of the lower end portion of the rail body 30, but the present invention is not limited to this. Absent.
For example, although not illustrated, the support rail is formed to have a cross-sectional pan lid shape by providing the peripheral wall portion so as to extend in the horizontal direction from the side edge of the lower end portion of the rail body. Thus, by making the support rail into a cross-sectional pan lid shape, it is possible to cope with the case where a base member having a wide rectangular cross-sectional shape is used.
That is, it is possible to form the support rail by covering the upper surface of the base member having a wide cross section so that the rail main body having a cross section pan lid shape is placed thereon. At this time, the support rail having a cross-sectional pan lid shape was fixed by fixing a fixing material such as a nail downward from the peripheral wall portion toward the base member, and the fixing fixing portion was covered with a waterproof sheet. It becomes a state.

And as shown in FIG.2 and FIG.3, the said roof installation thing 2 is fixedly fixed to the upper surface of the rail main body 30 of the said support rail 3b.
That is, as described above, the support rail 3b includes a hollow rail body 30 that is located at the upper part of the base member 3a and is open at both ends in the length direction. Since the rooftop installation object 2 is fixedly fixed, the rainwater that has entered from the fixing position of the rooftop installation object 2 passes through the hollow portion 30a of the hollow rail body 30, and the length of the rail main body 30 is increased. It can be discharged from the openings 30b at both ends in the vertical direction.
In addition, since the roof of this Embodiment is formed so that it may incline a little as shown in FIG. 3, especially rainwater will come out from the opening 30b located in the downward side of a roof gradient. ing.

  On the other hand, the waterproof sheet 4 is made of, for example, a synthetic resin such as polyolefin resin, and has a multi-layer structure including a glass cloth. Thus, when a glass cloth is used, since the dimensional stability of the waterproof sheet 4 can be improved, it is preferable.

Further, as shown in FIGS. 1 to 3, the draining member 5 is formed integrally with a draining body 5 a that covers the upper edge of the waterproof sheet 4, and the draining body 5 a, and is formed on the outer peripheral surface of the gantry 3. The fixing portion 5b is fixed, and the fixing portion 5b is located below the opening 30b of the rail body 30.
Further, the fixing portion 5b is firmly fixed to the outer peripheral surface of the gantry 3 so as not to form a gap.

  Further, as shown in FIGS. 2 and 3, it is desirable that the draining member 5 is an integrally formed member that can surround the outer peripheral surface of the gantry 3. As a result, there is no seam in the draining member 5, so that it is possible to improve the waterproofness. The draining member 5 is formed by extruding a metal such as aluminum.

  And according to such a draining member 5, since the fixing | fixed part 5b fixed to the outer peripheral surface of the said mount frame 3 is located below the opening 30b of the said rail main body 30, opening of the said rail main body 30 is carried out. Rainwater discharged from 30b can pass through the surfaces of the fixing portion 5b and the draining main body 5a and flow onto the waterproof sheet 4 laid on the roof surface 1a.

When the solar cell module 20 that is the rooftop installation 2 of the present embodiment is provided on the upper surface of the rail body 30, as shown in FIGS. 2 and 3, nails 8, A plurality of solar cell module mounting brackets 21 fixed by a fixing material such as 8 and a solar cell module support rail 22 attached to the mounting bracket 21 and supporting the solar cell module 20 are used. Yes.
The solar cell module 20 is mounted with a plurality of the solar cell module mounting brackets 21 arranged side by side on the plurality of mounts 3 arranged in parallel on the roof surface 1a, and between the plurality of solar cell module mounting brackets 21. The plurality of solar cell module support rails 22 are erected on top of the plurality of mounts 3, and are further spanned between the plurality of solar cell module support rails 22, The solar cell module 20 is installed.

  Next, a waterproofing method for the rooftop 1 will be described.

First, as shown in FIGS. 2 and 3, the base member 3a is installed on the roof top surface 1a of the building so that a fastening material such as a nail 6 is driven into the core material 10a of the roof panel 10.
Subsequently, the base member 3a fixed and fixed in this way is provided so as to cover the support rail 3b, and the nails 7, 7 and the like from the peripheral wall portions 31 and 31 of the support rail 3b toward the base member 3a are provided. The support rail 3b is fastened and fixed to the base member 3a to form the mount 3 on the roof surface 1a.

Next, the waterproof sheet 4 is laid on the entire roof surface 1a so as to rise up to a predetermined height of the outer peripheral surface of the gantry 3 and cover the place where the support rail 3b is fixedly secured to the base member 3a. To do.
Then, the draining member 5 is provided along the outer peripheral surface of the gantry 3 so as to cover the upper end edge of the waterproof sheet 4 laid in this way. As described above, the roof surface 1a of the building can be waterproofed.

  Thereafter, by installing peripheral members such as the solar cell module mounting bracket 21 and the solar cell module support rail 21 on the upper surface of the rail body 30 of the support rail 3b, the installation work of the rooftop installation 2 is performed. Try to keep going.

In addition, by adopting the waterproofing method for the rooftop 1 as described above, the carpenter works such as installing the gantry 3 on the rooftop surface 1a and the waterproofing so as to stand up on the outer peripheral surface of the gantry 3 installed on the rooftop surface 1a. The waterproofing work that lays the sheet 4 and covers the top edge of the waterproofing sheet 4 with the draining member 5 and the installation work that installs the rooftop installation 2 on the top of the mount 3 installed on the rooftop surface 1a as much as possible. It can be lost.
That is, for example, it is not necessary to cut the waterproof sheet 4 at the lower end of the mount 3 or the rail or to drive a fastening material such as a nail directly into the waterproof sheet 4 as in the prior art. Responsibility can be attributed to the person in charge of each construction, so that each construction can be prevented from affecting each other.

  According to the present embodiment, the upper edge of the waterproof sheet 4 laid on the roof top surface 1 a of the building so as to rise to a predetermined height of the outer peripheral surface of the gantry 3 is covered by the draining member 5. Therefore, unlike conventional ones, it is not necessary to use a caulking material or the like, and rainwater can be reliably prevented from entering between the roof surface 1a and the waterproof sheet 4. Accordingly, it is possible to improve workability when installing the rooftop installation 2 while omitting the post-treatment and the like, and to improve the waterproofness of the rooftop surface 1a.

It is a perspective view which shows the waterproof structure of the roof of this invention. It is a sectional side view which shows the waterproof structure of the roof of this invention. It is a front sectional view showing the waterproof structure of the roof of the present invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Rooftop 1a Rooftop 2 Rooftop installation thing 3 Base 4 Waterproof sheet 5 Draining member

Claims (5)

On the roof of the building, a stand for supporting the rooftop installation such as a solar cell module at a predetermined height is provided, and a waterproof sheet is laid so as to be raised to a predetermined height on the outer peripheral surface of this stand And
A waterproof structure on a rooftop, wherein an upper end edge of the waterproof sheet is covered with a draining member provided along an outer peripheral surface of the gantry. In the waterproof structure of the roof of Claim 1,
The roof is provided with a base member fixed to a structural member of a roof, and a support rail provided so as to cover the base member. In the waterproof structure of the roof of Claim 2,
The roof waterproof structure is characterized in that the support rail is fixedly fixed to the base member, and the fixed fixing portion is covered with the waterproof sheet. In the waterproof structure of the roof of Claim 2 or 3,
The support rail is provided with a hollow rail body that is located at an upper portion of the base member and is open at both ends in the length direction, and the rooftop installation object is fixedly fixed to the upper surface of the rail body. Waterproof structure featuring a rooftop. In the waterproof structure of the roof of Claim 4,
The draining member includes a draining main body that covers an upper end edge of the waterproof sheet, and a fixing portion that is integrally formed with the draining main body and is fixed to an outer peripheral surface of the gantry. The fixing portion is the rail main body. A waterproof structure on the roof, which is located below the opening of the roof.

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