JP3248974B2 - Roof panel mounting structure and its mounting method - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mounting structure of a roof panel in which a plurality of roof panels are arranged along the eaves at the top of a house body and a method of mounting the same.

[0002]

2. Description of the Related Art Conventionally, a roof panel mounting structure has a structure in which a plurality of roof panels are arranged in a row along the eaves at an upper portion of a house body, and outside of these roof panels, fixing hardware such as hook hardware and a roof plate are fixed. The end of the binding hardware is driven into the upper part of the house body. In recent years, a roof panel mounting structure 1 as shown in FIG. 8 has been proposed in order to improve the workability of mounting a roof panel on site. The roof panel mounting structure 1 includes a plurality of roof panels 3 arranged side by side along the eaves on the top of a house body 2, a first tying member 4 attached to these roof panels 3, and a first tying member. Fastened to hardware 4 and house body 2
And a second binding metal member 5 attached to the second member.

The roof panel 3 extends in the direction of the slope of the roof panel 3 and is provided with a plurality of joists 6 arranged side by side in the direction of the eaves. It consists of an existing fascia member 12 and a base plywood 13 adhered to the upper surfaces of the joists 6 and the fascia member 12. As shown in FIG. 9, the first binding metal 4 is attached to the first mounting plate 7 fixed to the joist 6 of the roof panel 3.
And an insertion portion 8 projecting downward from the first mounting plate 7 in the gradient direction of the roof panel 3 and having a spiral groove formed on the outer periphery. The second fastening member 5 has a second mounting plate 9 fixed to the house main body 2 and a second joining portion 10 which is bent from the first mounting plate 9 and penetrates the insertion portion 8 of the first fastening member 4. And a nut 11 having the insertion portion 8 fastened to the second joint portion 10.

[0004] A method of mounting the roof panel 3 will be described. The house main body 2 is constructed in advance, and the second mounting plate 9 of the second binding hardware 5 is attached to the upper part of the house main body 2. On the other hand, the joist 6 of the roof panel 3 and the fascia member 1
Then, the first mounting plate 7 of the first binding hardware 4 is attached to the joist 6. Then, the joists 6 of the roof panel 3 are placed on the upper part of the house body 3, and the joists 6 are moved downward along the gradient direction of the roof panel 3, so that the first fasteners 4 are inserted into the second fasteners 5. Through the part 8,
A nut 11 is screwed onto the tip of the insertion portion 8. Similarly, a plurality of joists 6 are arranged on the upper part of the house main body 2 along the eaves direction. Thereafter, the base plywood 13 is attached to the upper surfaces of the joists 6 and the cover member 12, and the roof panel 3 is attached to the house body 2.

[0005]

However, in the roof panel mounting structure 1, the insertion portion 8 of the first fastener 4 is formed so as to protrude downward in the slope direction of the roof panel 3. The joist 6 to which the first binding hardware 4 is attached is placed on the house main body 2, and the joist 6 is moved downward along the slope direction of the roof panel 3, and the plywood sticking is performed to attach the base plywood 13 to the joist 6. Work is required. For this reason, the installation work of the roof panel 3 was complicated.

A roof panel 3 is provided on the upper part of the house body 2.
Then, an exterior material such as a roof tile is attached to the upper surface of the base plywood 13 of the roof panel 3 to assemble the roof. For this reason, the work | work which sticks an exterior material on the upper surface of the plywood 13 is needed on site, and the roof construction work becomes complicated and the roof construction period becomes long. On the other hand, the exterior material is suspended at a predetermined position on the roof panel 3, and the exterior material is overlapped on the upper surface of the adjacent exterior material, and the exterior material is attached to the roof panel 3.
Was fixed to. Therefore, the construction work of the roof becomes more complicated, and the construction period of the roof becomes longer.

[0007] The present invention effectively solves the above-mentioned problems, and an object of the present invention is to provide a roof panel mounting structure and a mounting method thereof, which improve the workability of roofing and shorten the roofing work period. I do.

[0008]

A roof panel mounting structure according to claim 1 is a roof panel mounting structure in which a plurality of roof panels are juxtaposed along an eaves direction on an upper part of a house main body. , A first tie attached to the roof panel, a second tie attached to the house body, and a fastening member that fastens the first tie and the second tie And comprising
The roof panel has a panel body attached to an upper portion of a house body, and an exterior material fixed to an upper surface of the panel body, and the exterior material has a step formed in a gradient direction of the roof panel, One side of the eaves direction is configured to overlap the upper surface of the exterior material of the adjacent roof panel, and the first tie is a first mounting plate fixed to the panel body, and vertically from the first mounting plate. An upright first joining plate, and the first joining plate has the fastening member penetrated therethrough.
First elongate hole formed long in the eaves direction ,
The second binding hardware is fixed to an outer wall panel of the house main body.
And an outer wall mounting portion bent from the outer wall mounting portion.
And a beam mounting part fixed to beams, etc. in the house body.
A second mounting plate, and a second bonding plate formed so as to protrude from the second mounting plate and opposed to the first bonding plate, and the second bonding plate includes the fastening member. A second through hole that is penetrated is formed, and the fastening member has a bolt that penetrates the first through hole and the second through hole, and a nut that fastens the first joining plate and the second joining plate. It is characterized by becoming.

According to a second aspect of the present invention, there is provided a roof panel mounting method comprising:
A roof panel mounting method for mounting the roof panel according to claim 1 to a house main body, wherein the house main body is constructed in advance, and a second binding hardware is mounted on the house main body.
On the other hand, the roof panel is assembled, a first fastener is attached to the roof panel, the exterior material of the roof panel is overlapped with the exterior material of the adjacent roof panel, and the roof panel is placed on the house body, The first fastening member and the second fastening member are fastened by a fastening member.

[0010]

In the roof panel mounting structure according to the first aspect of the present invention, the first fastening member attached to the roof panel and the second fastening member attached to the house body are fastened by a fastening member. Is attached to the house body. In the roof panel, the panel body is attached to the top of the house body, the exterior material is fixed to the upper surface of this panel body, and one side of the eaves direction of this exterior material overlaps the upper surface of the exterior material of the adjacent roof panel, The step formed on the exterior material overlaps with the adjacent exterior material. For this reason, water such as rain is prevented from entering from a joint between the exterior materials, and the exterior material is positioned relative to another exterior material because the steps of the exterior material overlap. In the first fastener, the first mounting plate is fixed to the panel body, and the first joining plate is fastened to the second fastener by a fastening member. In the second binding hardware, the second mounting plate is fixed to the house main body, and the second bonding plate is arranged to face the first bonding plate. In the fastening member, a bolt is penetrated through the first through-hole of the first joining plate and the second through-hole of the second joining plate, and a nut is fastened to the bolt, so that the first joining plate and the second joining plate are joined together. Will be concluded. Therefore, by fastening the bolt to the nut, the roof panel is positioned and fixed to the house body.

[0011] In the roof panel mounting method according to the second aspect, the house main body is constructed in advance, and a second tie is attached to the house main body. On the other hand, the roof panel is assembled, and the roof panel is mounted on the roof panel. Since the ties are attached, the work of assembling the roof panel on site is not required. Thereafter, the exterior material of the roof panel is overlapped with the exterior material of the adjacent roof panel, and the roof panel is placed on the main body of the house, and the first tie and the second tie are fastened by the fastening member. The operation of moving the roof panel downward along the slope direction is not required.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a first embodiment of a roof panel mounting structure according to the present invention will be described with reference to FIGS. Here, the description of the same components as those of the conventional example is simplified by using the same reference numerals. As shown in FIG.
Reference numeral 0 denotes a roof panel mounting structure, 2 denotes a house main body, and 21 denotes a roof panel mounted on an upper portion of the house main body 2. The roof panel mounting structure 20 includes a plurality of roof panels 21 arranged in the upper part of the house main body 2 along the direction of the eaves, and as shown in FIG. The second fastening member 23 attached to the main body 2 is configured such that the first fastening member 22 and the second fastening member 23 are fastened by a fastening member 24.

The roof panel 21 includes a panel body 25 attached to the upper part of the house body 2, a roofing 26 such as asphalt felt fixed to the upper surface of the panel body 25, and an exterior fixed to the upper surface of the roofing 26. And a member 27. Panel body 25
Is a plurality of joists 6 arranged side by side in the direction of the eaves, and these joists 6
And a base plywood 13 affixed to the joists 6 and the fascia member 12. As the roofing 26, asphalt felt obtained by impregnating felt into asphalt is used.

As the exterior material 27, a plurality of roof tiles or the like which are arranged in a plurality of stages in the gradient direction of the roof panel 21 and are arranged in parallel in the direction of the eaves are used. That is, the exterior material 27 is such that the lower end of the roof tile is disposed on the upper surface of the lower roof tile, a step is formed in the gradient direction of the roof panel 21, and the roof tile located on one side in the eaves direction is the panel body. 25, and another protruding roof tile is adjacent to another roof panel 2 adjacent thereto.
It is configured to overlap the top surface of one roof tile.

The first tie 22 and the second tie 2
3. The fastening member 24 is disposed at the position indicated by the triangle in FIG.
This roof panel 21 is disposed below the roof panel 21.
Are arranged side by side along the eaves. As shown in FIG. 1, the first binding metal 22 is fixed to the joist 6 of the panel main body 25 with a screw nail or the like, and has a first mounting plate 28 formed in a rectangular outer shape, and is perpendicular to the first mounting plate 28. And a first joining plate 29 erected on the first side. The first mounting plate 28 and the first joining plate 29 are integrally formed by punching from a metal plate. The first joining plate 29 has a configuration in which the base is bent from the first mounting plate 28, the fastening member 24 is penetrated in the center, and a first through hole 30 formed long in the eaves direction is formed. Have been. That is, the first fastener 22 is fastened to the fastening member 24 so as to be relatively movable in the direction of the eaves, and the roof panel 21 is fastened to the house body 2 so as to be relatively movable in the direction of the eaves.

The second metal fitting 23 has a second mounting plate 31 fixed to the house main body 2 with a screw nail or the like, and a second bonding plate 32 formed to project obliquely upward from the second mounting plate 31. Do it. The second mounting plate 31 includes an outer wall mounting portion 33 fixed to the outer wall panel, and a beam mounting portion 34 formed by bending the outer wall mounting portion 33 and fixed to a beam or the like in the house body 2.
It is composed of The second joining plate 32 extends in a direction orthogonal to the gradient direction of the roof panel 21, is disposed to face the first joining plate 29, and has the fastening member 24 at the center thereof.
Is formed in a second through-hole 35 that penetrates through.

The fastening member 24 has a bolt 37 penetrating the first through hole 30 and the second through hole 35, and a nut 38 for fastening the first joining plate 29 and the second joining plate.
The head of the bolt 37 is in contact with the second joint plate 32, and a spiral groove is formed in the leg. The nut 38 has a central portion screwed into a spiral groove of the bolt 37 and a bottom surface in contact with the first joining plate 29.

The roof panel 21 is provided at a position indicated by a circle in FIG. 3 and a plurality of torsion hardware 40 arranged side by side along the gradient direction of the roof panel 21 and a position indicated by a ▼ in FIG. That is, the corner fittings 45 arranged in the center of the roof panel 21 and arranged side by side along the eaves are fixed. As shown in FIG. 4 and FIG.
One end is fixed to the ridge side of the horizontal rail 41 spanned over the joist 6 of the roof panel 21, and the other end is fixed to the house body 2. Here, as shown in FIG. 4, the torsion hardware 40 has a left-hand twisting hardware 40 a having the other end twisted leftward with respect to one end attached to the roof panel 21, and one end attached to the roof panel 21. There is a right-handed hardware 40b whose other end is twisted rightward. As shown in FIG. 6, the corner fitting 45 has one end fixed to the joist 6 of the roof panel 21 and the other end fixed to the ridge side of the beam of the house body 2. Further, as shown in FIG.
Is fixed to an inner wall 47 of the house main body 2 at one end and the other end is fixed to an inner wall 47 of the house body 2.

A method of mounting such a roof panel will be described. The house main body 2 is constructed on the site in advance, and the second binding hardware 23 is attached to the house main body 2. On the other hand, the roof panel 21 is assembled by assembling the panel main body 25 at a factory or a site, treating the upper surface of the panel main body 25 with a roofing 26, and fixing the exterior material 27 to the upper surface of the roofing 26 with nails or the like. When assembling the roof panel 21, the first fastener 22 is attached to the joist 6 of the panel body 25.

Thereafter, the roof panel 21 is lifted by a lifting facility such as a crane, and the roof panel 21 is hung above the house main body 2 and the roof panel 21 (preceding roof panel).
To the top of the house body 2. Then, another roof panel 21 (following roof panel) is lifted, the roof panel 21 is hung down, and the exterior material 27 on one side in the eaves direction of the roof panel 21 is replaced with the exterior material 27 of the adjacent roof panel 21. And the subsequent roof panel 21 is placed on the house body 2.

Thereafter, the first joining plate 29 of the first fastening member 22 attached to the roof panel 21 and the second joining plate 29 of the second fastening member 23 attached to the house main body 2 are arranged to face each other. Here, the roof panel 21 is moved toward the eaves to position the roof panel 21 with respect to the house body 2.
Then, the bolt 37 is passed from the through hole 35 of the second joining plate 29 to the through hole 30 of the first joining plate 29, and the second joining plate 29
To the head of the bolt 37. A nut 38 is screwed onto the leg of the bolt 37, and the nut 38 is brought into contact with the first joining plate 29.
And the second joining plate 29 are fastened. Hereinafter, similarly, a plurality of roof panels 21 are juxtaposed in the house body 2 along the eaves direction. Thereafter, the torsion hardware 40, the corner metal 45, and the inner wall mounting hardware 48 are attached to the roof panel 21 and the house body 2, and the roof panel 21 is fixed to the house body 2.

According to such a roof panel mounting structure 20, a plurality of roof panels 21 arranged side by side in the direction of the eaves, the first fastening hardware 22 mounted on the joist 6 of the roof panel 21, and the house body 2 Second binding hardware 2 attached to
3 and a fastening member 24 that fastens the first fastening member 22 and the second fastening member 23. By fastening the first fastening member 22 and the second fastening member 23 with the fastening member 24, The roof panel 21 can be removed from the house body 2 by attaching a plurality of the roof panels 21 to the house body 2 and removing the fastening members 24. For this reason, it is possible to eliminate the operation of driving a binding metal such as a hook metal, and it is possible to attach the roof panel 21 by fastening the fastening member 24 on site, and to remove the roof panel 21 by removing the fastening member 24. Therefore, the workability of attaching and detaching the roof panel 21 can be improved.

The roof panel 21 has a panel main body 25 attached to the house main body 2, a roofing 26 treated on the upper surface of the panel main body 25, and an exterior material 27 fixed to the upper surface of the roofing 26. Therefore, the panel body 25 is double waterproofed by the roofing 26 and the exterior material 27. The exterior material 27 is configured such that a step is formed in the gradient direction of the roof panel 21, and one side in the eaves direction overlaps the upper surface of the exterior material 27 of the adjacent roof panel 21. Can be prevented from overlapping, and the position of the adjacent roof panel 21 can be prevented from shifting, and the roof panel 21 can be prevented from sliding down.
On the other hand, it is possible to prevent a gap from being formed on the upper surface between the adjacent roof panels 21, and to prevent wind and rain from being formed on the adjacent roof panels 21.
It is possible to prevent intrusion into the house body 2 from between. For this reason, the roof panel 21 can be reliably positioned on the upper part of the house main body 2, and the safety of the roof panel 21 can be improved, and the inside of the house main body 21 can be maintained in a clean state.

The first fastener 22 includes a first mounting plate 28 fixed to the joist 6 of the panel body 25 with a screw nail or the like.
A first joining plate 29 which stands vertically from the first mounting plate 28;
The first joining plate 29 has a configuration in which the fastening member 24 is penetrated and the first through-hole 30 formed in the direction of the eaves is formed long. By bending, the first binding metal 22 can be integrally formed from the metal plate. For this reason, the work of fixing the insertion portion by welding or the like can be unnecessary, and the workability of manufacturing the first binding metal 22 can be improved.

The second binding hardware 23 is provided on the outer wall of the house body 2 .
The outer wall mounting portion 33 fixed to the panel and the outer wall mounting portion 33
Beams that are bent and fixed to beams inside the house
A second mounting plate 31 composed of a portion 34 and a second mounting plate 31 formed by bending the second mounting plate 31 so as to project obliquely upward from the second mounting plate 31 and facing the first joining plate 29. The second joining plate 32 has a second through-hole 35 formed through the fastening member 24. Therefore, the second joining plate 32 is stamped and folded from a metal plate. By bending, the second binding metal 23 can be integrally formed from a metal plate.
For this reason, the manufacturing workability of the second binding metal 23 can be improved.

The fastening member 24 has a bolt 37 penetrating the first through hole 30 and the second through hole 32, and a nut 38 for fastening the first joining plate 29 and the second joining plate 32. With this configuration, the roof panel 21 is attached to the house body 2 by disposing the first joining plate 29 to face the second joining plate 32 and fastening them with the fastening members 24.
For this reason, the roof panel 21 can be simply hung down and attached to the house main body 2, and the joist moving operation of moving the joist 6 of the roof panel 21 downward can be eliminated. Therefore, the panel body 25 can be assembled in advance, and the exterior material 27 can be fixed to the panel body 25 and the roof panel 21 can be assembled. The sticking work can be omitted, the workability of attaching the roof panel 21 can be improved, and the construction period of the roof can be shortened.

According to such a roof panel mounting method, the house main body 2 is constructed in advance, and the second binding metal 23 is mounted on the house main body 2.
1 and the first binding metal 22 is attached to the roof panel 21, so that the house body 2 and the roof panel 21 can be assembled separately, and the roof panel 21 is assembled at the top of the house body 2. Work can be eliminated,
The work of attaching the exterior material 27 can be eliminated. Therefore, the workability of assembling the roof panel 21 can be improved, and the construction period of the roof can be shortened.

After that, the exterior material 27 of the roof panel 21 is overlapped with another adjacent exterior material 27, and the roof panel 2
1 is placed on the house main body 2 and the first fastening member 22 and the second fastening member 23 are fastened by the fastening member 24.
The work of moving the roof panel 21 downward can be eliminated,
The roof panel 21 can be attached to the house main body 2 simply by suspending and lowering the roof panel 21 and screwing the bolts 37 to the nuts 38.
For this reason, the mounting workability of the roof panel 21 can be improved, and the construction period of the roof can be shortened.

[0029]

As described above, according to the roof panel mounting structure and the mounting method of the present invention, the following effects can be obtained. According to the roof panel mounting structure of claim 1, the roof panel is mounted on the upper part of the house main body, and a plurality of roof panels are arranged side by side along the eaves direction, and the first binding hardware mounted on the roof panel; Since it is configured to include the second tying attached to the house main body and the fastening member that fastens the first tying and the second tying, the first tying and the second tying with this fastening member. And the roof panel is attached to the house body. For this reason, the work of hammering in a fastening hardware such as a hook hardware can be eliminated, and the roof panel can be attached by a simple work of fastening a fastening member on site,
The installation workability of the roof panel can be improved.

The roof panel includes a panel main body attached to the upper part of the house main body and an exterior material fixed to the upper surface of the panel main body, and the exterior material has a step formed in the gradient direction of the roof panel. Since the side of one side of the eaves is overlapped with the upper surface of the exterior material of the adjacent roof panel, the step of the adjacent exterior material overlaps and the position of the adjacent roof panel can be prevented from shifting, and It is possible to prevent water such as rain from entering the house body from between the roof panels. For this reason, a roof panel can be positioned reliably and the inside of a house main body can be maintained in a clean state.

The first fastening member has a first mounting plate fixed to the panel main body and a first joining plate vertically erected from the first attaching plate. A first through-hole formed in the direction of the eaves is formed to penetrate the fastening member, and the second fastener is provided outside the house main body .
An outer wall mounting portion 33 fixed to a wall panel;
It is bent from the part 33 and fixed to a beam or the like in the house body 2.
A second mounting plate comprising a beam mounting portion 34 formed in a predetermined direction, and a second bonding plate formed so as to protrude from the second mounting plate and opposed to the first bonding plate. In the two joining plate,
Since the second through-hole formed through the fastening member is formed, the first tie and the second tie are punched and bent from the metal plate, respectively, from the metal plate It is formed integrally. For this reason, it is possible to improve the operability of manufacturing the first binding hardware and the second binding hardware.

Since the fastening member has a bolt penetrating the first through hole and the second through hole, and a nut for fastening the first joining plate and the second joining plate, The roof panel is attached to the house main body by arranging the first joining plate of the first binding member so as to face the second joining plate of the second binding member and fastening them with a fastening member. For this reason, the roof panel can be hung down and attached to the house main body, and the joist moving operation of moving the joist of the roof panel downward can be eliminated. Therefore, since the roof panel with the exterior material can be assembled in advance, the work of attaching the base plywood and the exterior material at the site can be omitted, and the workability of attaching the roof panel can be improved. Construction period can be shortened.

According to the roof panel mounting method of the second aspect, the house main body is constructed in advance, and the second binding metal is attached to the house main body, while the roof panel is assembled and the roof panel is assembled. Since the first binding metal is attached, the work of assembling the roof panel at the top of the house body can be eliminated, and the work of attaching the exterior material can be eliminated, improving the workability of assembling the roof panel. And the construction period of the roof can be shortened.

After that, the exterior material of the roof panel is overlapped with the exterior material of the adjacent roof panel, the roof panel is mounted on the house body, and the first and second ties are fastened by a fastening member. Therefore, the roof panel can be attached to the house body by performing the operation of hanging down the roof panel and the operation of screwing the nut to the bolt. For this reason, the operation | work which moves a roof panel downward can be made unnecessary, the installation workability of a roof panel can be improved, and the construction period of a roof can be shortened.

[Brief description of the drawings]

FIG. 1 is a front view showing one embodiment of a roof panel mounting structure of the present invention.

FIG. 2 is a perspective view showing the entire mounting structure of the roof panel of FIG. 1;

FIG. 3 is a plan view showing a state where various hardwares mounted on the roof panel of FIG. 1 are provided.

FIG. 4 is a perspective view showing a left-handed hardware for attaching the roof panel of FIG. 3 to a house main body.

5 is a perspective view showing a right-handed hardware for attaching the roof panel of FIG. 3 to a house main body.

6 is a front view showing a corner fitting for attaching the roof panel of FIG. 3 to a house main body.

FIG. 7 is a perspective view showing an inner wall mounting hardware for mounting the roof panel of FIG. 3 to a house main body.

FIG. 8 is a perspective view showing a conventional roof panel mounting structure.

FIG. 9 is a perspective view showing a fastener in the roof panel mounting structure of FIG. 8;

[Explanation of symbols]

 2 House main body 20 Roof panel mounting structure 21 Roof panel 22 First tie piece 23 Second tie piece 24 Fastening member 27 Exterior material 28 First mounting plate 29 First bonding plate 30 First through hole 31 Second mounting plate 32 First Double joining plate 35 Second through hole 37 Bolt 38 Nut

Claims (2)

(57) [Claims] 1. A roof panel mounting structure in which a plurality of roof panels are arranged in a row along the eaves direction on an upper part of a house main body, wherein a roof panel mounted on the house main body and a roof panel mounted on the roof panel are provided. One tie, a second tie attached to the house main body, and a fastening member that fastens the first tie and the second tie, the roof panel is provided at the top of the house main body. It is configured to have an attached panel main body and an exterior material fixed to the upper surface of the panel main body, and the exterior material is formed with a step in the gradient direction of the roof panel, and one side of the eaves direction is adjacent to the eaves direction It is configured to overlap the upper surface of the exterior material of the roof panel, wherein the first tie is a first mounting plate fixed to the panel body, and a first joining plate vertically erected from the first mounting plate. Having the first The plywood, the fastening member is penetrated through and is first through hole is formed which is elongated in the eaves direction, wherein the second Tightened hardware is fixed to the outer wall panels of the house body
And an outer wall mounting portion bent from the outer wall mounting portion.
And a beam mounting part fixed to beams, etc. in the house body.
A second mounting plate, and a second bonding plate formed so as to protrude from the second mounting plate and opposed to the first bonding plate, and the second bonding plate includes the fastening member. A second through hole that is penetrated is formed, and the fastening member has a bolt that penetrates the first through hole and the second through hole, and a nut that fastens the first joining plate and the second joining plate. A mounting structure for a roof panel, comprising: 2. A method for mounting a roof panel according to claim 1, wherein the roof panel is mounted on a house main body, wherein the house main body is constructed in advance, and a second binding metal is mounted on the house main body. Assembling the roof panel, attaching a first tie to the roof panel, overlapping the exterior material of the roof panel with the exterior material of the adjacent roof panel, placing the roof panel on the house body, and placing the first tie And fastening the second binding hardware with a fastening member.