JP2004285782A - Roof panel - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a roof panel facilitating a heat insulating ventilation work and reducing the working time necessary for the work and further, reducing the construction cost, and eliminating fear or the like of breakage/damage due to operator's trampling over a heat insulation board to make a safe operation. <P>SOLUTION: A plurality of square materials 2, 3, 4 given over from the eaves of a roof to the ridge are arranged parallelly between an upper plate 5 and a lower plate 6, in the roof panel, the upper plate 5 and the lower plate 6 are jointed to the square materials 2, 3, 4, Heat insulation board 7R covering the inside face are adhered to the inside face of the lower plate 6. Clearances 8R, 8L forming roof ventilation layers are formed between the heat insulation boards 7R, 7L and the upper plate 5. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a roof panel used as a base material for a roof of a wooden house.
[0002]
[Prior art]
Recently, in order to realize energy-saving houses that do not have high heating and cooling costs, and to reduce the temperature difference between rooms and prevent elderly people from causing heat shock due to cold and warm temperatures, most of the parts of the house are exposed to solar radiation. In addition to providing a heat insulating layer on the roof surface affected by the heat, the heat of the roof surface is directly transmitted to the heat insulating layer to prevent the heat insulating material from being deteriorated and the heat insulating performance from being impaired. In order to prevent remarkably rising, a heat insulating ventilation method in which a roof ventilation layer is provided on a heat insulating layer is performed.
As shown in FIG. 7, in the conventional general heat insulation ventilation method, firstly, rafters 71, 71... Made of square bars are attached on a purlin 70 which is a structural material for receiving a rafter of a roof, and then Are attached so that the insulation board 72, 72 ... with a thickness of around 50mm is in close contact with each other, and the upper rafters 73, 73 ... made of square wood are passed over from the eave to the ridge. Similar to the structure, a structural plywood (not shown), which is a field board, is pasted on the upper rafters 73, 73... And then the roofing and roofing materials are constructed in this order.
As a result, roof ventilation layers 74, 74... Are formed between the heat insulation boards 72, 72... And the field board (structural plywood) (upper rafters 73, 73...). From the eaves to the building, air is discharged from the building ventilation opening to the outside through the air.
[0005]
[Problems to be solved by the invention]
However, as described above, the installation of attaching the rafters 71, 71... On the main building 70, tensioning the heat insulating boards 72, 72. Since it takes much time and labor compared to the roof construction, there is a problem that the construction period becomes long and the construction cost increases. Moreover, when constructing the heat insulation board 72, the heat insulation board 72 may be accidentally stepped on and damaged or damaged, or the operator may fall down by stepping on the heat insulation board 72.
Therefore, the present invention remarkably facilitates the heat insulation ventilation work of the roof, greatly reduces the work time required for the work, and at the same time, significantly reduces the work cost, and further, the operator steps on the heat insulation board and breaks it.・ The main technical issue is to make it possible to work safely by eliminating the possibility of damage, etc. In addition, it is possible to connect the outer wall ventilation layer to the roof ventilation layer so that the entire house can be ventilated and ventilated. It is an issue.
[0007]
[Means for Solving the Problems]
In order to solve the above problems, the present invention is a roof panel used as a base material for a roof of a wooden house, and a plurality of square members passing from the roof eave to the ridge are provided between the upper plate and the lower plate. Arranged in parallel, the upper plate and the lower plate are joined to the square member, a heat insulating board covering the inner surface of the lower plate is adhered, and a roof ventilation layer is formed between the heat insulating board and the upper plate. A gap is formed.
In the roof panel of the present invention, a heat insulation layer made of a heat insulation board and a gap to become a roof ventilation layer are formed in advance between an upper plate and a lower plate, and from a roof eave like a rafter. Since the multiple square bars that pass in the direction of the ridge are arranged in parallel, it is easy to install roofing materials and roofing materials on the roof surface. Complete.
Accordingly, the construction period is remarkably shortened and the construction cost is greatly reduced as compared with the conventional roof construction by the heat insulating ventilation method. In addition, there is no possibility that the heat insulation board will be damaged or damaged during the construction, and that there is no possibility that the operator will step on the heat insulation board and fall down.
[0010]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be specifically described below with reference to the drawings.
FIG. 1 is a bottom view showing an example of a roof panel according to the present invention, FIG. 2 is a sectional view taken along line AA, FIG. 3 is a sectional view taken along line BB, and FIG. 5 is a bottom view showing another example of the roof panel according to the present invention, and FIG. 6 is a cross-sectional view taken along the line C-C.
The roof panel 1 of FIG. 1 is a roof panel for eaves, and three square members 2, 3 and 4 passing from the roof eave to the ridge direction are made of a water-resistant plywood, Arranged in parallel with the lower plate 6 made of plywood for structure (structural plywood), and the upper plate 5 and the lower plate 6 are bonded to the square members 2, 3 and 4 by bonding or screwing or the like. Yes.
Then, heat insulating boards 7R, 7L such as hard urethane foam or phenol foam covering the inner surface are attached to the inner surface of the lower plate 6, and between the heat insulating boards 7R, 7L and the upper plate 5, Clearances 8R and 8L serving as a roof ventilation layer are formed.
The roof panel 1 is unitized to a total size of, for example, 3000 × 1000 mm in length and width and 118 mm in thickness. The plate thickness of the upper plate 5 and the lower plate 6 is 9 mm, and the thickness of the heat insulation boards 7R and 7L. Is selected to be 80 mm, and the distance between the gaps 8R and 8L is 20 mm.
Further, on the lower plate 6 side, an opening 9R that passes through the lower plate 6 and the heat insulating boards 7R and 7L and communicates with the outer wall ventilation layer 10 shown in FIG. 9L are formed.
The above is the configuration of the roof panel 1 shown in FIG. 1. Next, an example of the construction of the roof panel will be described with reference to FIG. The roof panel 1 is arranged such that the square members 2, 3 and 4 provided between the upper plate 5 and the lower plate 6 are passed from the eave toward the ridge, and the openings 9R and 9L provided on the lower plate 6 side. In this state, a nail or a screw is driven in from the upper plate 5 side and fixed to the eaves 11 and a nose cover 12 is attached to the end of the eaves side. If roofing (not shown) and the roof finishing material 13 are constructed on the roof panel 1, a roof provided with a heat insulating layer and a ventilation layer is completed.
Accordingly, the labor and cost of the roof construction are remarkably reduced as compared with the conventional case. Further, when the roof panel 1 is constructed, there is no possibility that the operator will step on the heat insulating boards 7R and 7L to cause damage or damage, or step out and fall down.
Further, it is formed between the roof ventilation layer formed by the gaps 8R and 8L formed in the roof panel 1, the outer heat insulating wall structure 14 having the heat insulating material arranged on the outside, and the outer wall 15 formed by siding tension or the like. By connecting the outer wall ventilation layer 10 to each other, the entire house is ventilated and ventilated, so that the temperature difference in each room is reduced, heat shock is reduced, and VOCs generated from furniture, building materials, etc. In addition, moisture and odor generated by daily life are efficiently discharged from the building vents, creating a comfortable living environment.
A roof panel 21 in FIG. 5 is a keraba roof panel provided at an end of a gable roof or the like, and the roof panel 21 has an opening 9 communicating with the outer wall ventilation layer 10 on the eaves side. Openings 22, 22... Communicating with an outer wall ventilation layer (not shown) on the keraba side are formed.
Therefore, when the roof panel 1 of FIG. 1 and the roof panel 21 of FIG. 5 are used in combination, the outer wall ventilation layer formed on the entire periphery of the house can be communicated with the roof ventilation layer. In addition, the same code | symbol is attached | subjected to the part which is common with the roof panel 1 of the roof panel 21, and the detailed description is abbreviate | omitted.
In addition, the roof panel according to the present invention may simply perform roof ventilation that allows air to flow from the eaves side toward the ridge. In this case, the opening 9R communicated with the outer wall ventilation layer. 9L or 9, 22 may not be formed. Further, the number of square members arranged between the upper plate and the lower plate is not limited to three and may be two.
[0021]
【The invention's effect】
According to the present invention, the heat insulation ventilation work of the roof is remarkably facilitated, the work time required for the work is greatly shortened, and at the same time, the work cost is greatly reduced, and the worker provides for heat insulation. It has various excellent effects such as stepping on the heat-insulating board to break or damage it, or eliminating the possibility of stepping over and falling.
[Brief description of the drawings]
1 is a bottom view showing an example of a roof panel according to the present invention. FIG. 2 is a cross-sectional view taken along line AA in FIG. 1. FIG. 3 is a cross-sectional view taken along line BB in FIG. FIG. 5 is a bottom view showing another example of a roof panel according to the present invention. FIG. 6 is a cross-sectional view taken along the line CC of FIG. 5. FIG. Figure [Explanation of symbols]
1 ……………… Roof panel 9 ……………… Opening 2 ……………… Square 21 ……………… Roof panel 3 ……………… Square 22 ……………… Opening 4 ……………… Square 5 ……………… Upper plate 6 ……………… Lower plate 7R ……………… Heat insulation board 7L …………… Heat insulation board 8R …………… Gap (roof ventilation layer)
8L ......... Crevice (roof ventilation layer)
9R ......... Opening 9L ............... Opening

Claims (3)

A roof panel used as a base material for the roof of a wooden house, and a plurality of square members (2, 3, 4) passing from the roof eave to the ridge are between the upper plate (5) and the lower plate (6) Insulation board (7R, which covers the inner surface of the lower plate (6), the upper plate (5) and the lower plate (6) are joined to the square members (2, 3, 4). 7L) is adhered, and a gap (8R, 8L) serving as a roof ventilation layer is formed between the heat insulating board (7R, 7L) and the upper plate (5). The roof panel according to claim 1, wherein the upper plate (5) is made of water-resistant plywood and the lower plate (6) is made of plywood for field plate. The openings (9R, 9L, 9, 22) are formed through the lower plate (6) and the heat insulating boards (7R, 7L) to communicate the gaps (8R, 8L) with the outer wall ventilation layer. The roof panel according to claim 1 or 2.

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