JP3713473B2 - Roof structure - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a roof structure, and more particularly to a roof structure in which a roof material is installed on a base plate constituting the roof via a heat insulating board having a unique structure.
[0002]
[Prior art]
As shown in FIG. 1, in the conventional roof structure, a base plate 2 is stretched over a rafter 1, and when ukiuki materials 3 and 4 are installed along the eave and corner ridges, respectively, In the corner building, arabesque 5 is installed, and in the corner building, the base wood 6 installed on the wood 4 is installed. Then, after the roofing 7 is stretched on each of the members 3 to 6 to cover the entire roof, the roofing material 8 is installed on the roofing 7. Finally, a keraba wrap 9 is installed in a corner ridge while holding the base wood 6.
[0003]
[Problems to be solved by the invention]
As described above, the conventional roof structure is composed only of the base plate 2, the roofing 7 for waterproofing, and the roofing material 8, and is not satisfactory in terms of heat insulation and sound insulation. In particular, on a midsummer day, the surface temperature of the roofing material 8 may exceed 80 ° C, and the field board 2 installed under the roofing material 8 is warmed and stored by this solar heat, and the field board 2 There is a problem that the heat accumulated in the heat is transferred from the attic to the room by conduction and radiation.
[0004]
As a means for solving such problems, a heat insulating board is installed between the field board 2 and the roofing material 8, and radiant heat due to sunlight is blocked by the heat insulating board to the field board 2 at the lower part thereof. It may be possible to prevent heat conduction. However, since the radiant heat blocked by the heat insulating board has no escape route to the outside of the roof, the heat insulating board is warmed by the radiant heat and gradually accumulates heat. The heat accumulated in the heat insulating board is conducted, radiated, etc. Is transmitted from the attic to the room.
[0005]
The present invention has been made to solve the conventional problems as described above. By installing a heat insulation board having a unique structure between the roofing material and the field board, radiation heat from sunlight can be obtained. An object of the present invention is to provide a roof structure in which the radiant heat is not accumulated on the heat insulation board by releasing the radiant heat to the outside of the roof as much as possible.
[0006]
[Means for Solving the Problems]
In order to achieve the above-mentioned object, the roof structure according to the first invention of the present application has a roof board and a heat insulation board on the remaining part and a heat insulation board on the remaining part of the roof board. When covering the entire surface of the roof andゝmonitor, a roof structure ing to葺設roofing on the beam member and insulation board, said insulation board was coated insulation board body and its upper surface A sheet formed of a material having heat reflection characteristics and water-impermeable characteristics, and a plurality of communicating holes each having openings on the upper and lower end surfaces of the heat insulation board between the heat insulation board body and the sheet. In addition, the heat insulating board has a structure in which a pair of overlapping portions are provided on both upper and lower end faces, the pair of overlapping portions are overlapped, and upper and lower openings of the communication holes are respectively provided. Align the insulation board below the roof It was configured to be joined to.
[0007]
By adopting the above configuration, when radiant heat from sunlight is blocked by the heat insulating board and heat conduction to the lower part is prevented, the upper end opening from the lower end opening in the communication hole formed in the heat insulating board The radiant heat is discharged out of the roof by the convection of air passing through the section. Therefore, radiant heat due to sunlight is not accumulated on the heat insulating board, and high temperature inside the roof is prevented.
[0008]
In addition, the heat insulating board is configured such that the sheet covering the upper surface is formed of a material having heat reflection characteristics and water-impermeable characteristics, so that radiant heat due to sunlight is reflected by the sheet and is transmitted to the heat insulation board. The roofing for preventing heat storage and waterproofing can be omitted.
[0009]
In addition, a pair of pegging portions are provided on both upper and lower end faces of the heat insulation board, and the heat insulation board is joined in the vertical direction of the roof by overlapping the pegging portions. By adopting such a configuration, it is easy to join the heat insulation board in the vertical direction (from the eaves to the ridge), and in addition, the communication holes in the joints between the heat insulation boards and the joints The heat insulation effect can be ensured reliably.
[0010]
Moreover, as described above, the roof structure according to the second invention of the present application includes a connecting sheet portion including a plurality of heat insulating board units arranged on the left and right side end sides, and an extension portion of the sheet. And the connecting sheet portion is bent to be folded and unfolded. Thereby, it can be installed by folding it small during transportation or storage and unfolding it during construction, facilitating transportation and construction work.
[0011]
Furthermore, in the roof structure according to the third invention of the present application, arabesque is installed in a state of covering the upper surface and the lower end surface of the timber material installed along the eaves edge. The keraba wrap was installed in a state of covering the upper and outer surfaces of the brackish material installed along and the upright portion formed at the side end of the roof material. As a result, it is possible to finish the roof with a good rain finish and a clean appearance.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, the present invention will be described in detail with reference to embodiments shown in the drawings. In addition, since the feature of the present invention is the structure of the heat insulation board and its installation structure as described above, the same members as those in the prior art are denoted by the same reference numerals, and detailed description thereof will be omitted. The structure and its installation structure will be described in detail.
[0013]
In the figure, 1 is a rafter, 2 is a field board installed on the rafter 1, 3 and 4 are on the upper surface of the field board 2, and are installed on the eaves and corner ridges, and 5 is on the eaves. Installed arabesque, 6 is the base wood installed on the timber 4 along the corner ridge, 7 is a waterproof roofing stretched on these members 3 to 6, 8 is a roofing material, 9 is a corner It is a keraba packet installed in the building.
[0014]
Reference numeral 13 denotes a heat insulating board disposed between the field board 2 and the roofing 7, and is installed in the remaining part of the field board 2 that is not covered with the wood materials 3 and 4. The heat insulation board 13 is composed of a vertical rectangular heat insulation board main body 14 formed of foamed polystyrene, hard urethane, or the like, and a sheet 15 such as an aluminum foil or a polystyrene film covering the upper surface of the heat insulation board main body. A plurality of communication holes 16 extending in the vertical direction are formed between the 14 and the sheet 15 at equal intervals and in a parallel state by means described later.
[0015]
That is, the communication hole 16 is formed by a vertically extending concave groove 17 formed on the upper surface of the heat insulation board main body 14 and the sheet 15 covering the upper surface of the heat insulation board main body 14. An upper opening portion 16A of the communication hole 16 is opened on the upper end surface 13A side of 13 and a lower opening portion 16B of the communication hole 16 is opened on the lower end surface 13B side.
[0016]
Further, the heat insulation board 13 is formed with an upper joint portion 18A on the upper end surface 13A side and a lower joint portion 18B on the lower end surface 13B side, and the upper joint portion 18A is formed with the heat insulation board 18A. The board 13 has a stepped portion on the upper surface side, and the lower overlapped portion 18B has a stepped portion on the lower surface side of the heat insulating board 13.
[0017]
Reference numeral 15 </ b> A denotes a connecting sheet portion that connects the heat insulating board bodies 14, 14 on the side end face side, and the connecting sheet portion 15 </ b> A includes the heat insulating board bodies 14, 14 as extensions of the sheet 15. The heat insulating board 13 can be folded and expanded by bending the connecting sheet portion 15A.
[0018]
Next, a procedure for constructing a roof with the above-described components will be described in detail below. First, on the base plate 2 installed on the rafter 1, when the ukigi materials 3 and 4 are arranged along the eaves and corner ridges of the roof, respectively, the ukigi materials 3 and 4 are respectively attached to the rafter 1 or the base plate 2. Fix it with nails.
[0019]
Subsequently, the heat insulation board 13 is conveyed on the roof in a state where it is folded in an accordion shape, and is unfolded via the connecting sheet portion 15A. Then, this is arrange | positioned along the eaves edge in the eaves side of the remaining part which the field plate 2 has exposed. More specifically, the lower end surface 13B of the heat insulating board 13 is brought into contact with the upper end surface of the sticky material 3 fixed along the eaves of the roof, and the heat insulating board 13 is positioned while being positioned. Then, this is fixed to the rafter 1 or the field board 2 with nails or the like. At this time, the height of the brazing material 2 is such that the lower opening 16B of the communication hole 16 that opens to the lower end surface 13B side of the thermal insulation board 13 is not blocked by the upper end surface of the brazing material 2. It is formed to be lower than the height.
[0020]
Then, the second heat insulation board 13 is disposed on the lowermost heat insulation board 13 fixed along the eaves of the roof, and the heat insulation installed on the upper joint edge 18A of the heat insulation board 13 installed on the lower stage. After the lower overlapped portion 18B of the board 13 is overlapped with each other and the upper opening 16A and the lower opening 16B of the communication hole 16 are aligned with each other, the upper heat insulating board 13 is attached to the rafter 1 or the base plate 2 with a nail. Fix by hitting. Thereby, the entire surface of the roof is completely covered with each of the brazing materials 3 and 4 and the plurality of heat insulating boards 13.
[0021]
After that, when the arabesque 5 is fixed to the eaves 3 with nails, the base wood 6 is disposed on the eaves 4 installed along the corner ridges, and this is attached to the eaves 4 with the nails. Use to fix it. A roofing 7 is laid on the upper surfaces of the arabesque 5, the base wood 6 and the heat insulating board 13. In this case, if the sheet 15 installed on the upper surface of the heat insulating board 13 is formed of a material having water-impermeable characteristics, the laying of the roofing 7 can be omitted.
[0022]
Finally, after laying a roofing material 8 on the roofing 7, the standing portion 8 </ b> A formed on the corner ridge side of the roofing material 8 and the base wood 6 are covered and covered with a keraba wrap 9, and the keraba wrap 9 is The base wood 6 and the brace material 4 are fixed with nails. Thereby, the construction work of the roof is completed.
[0023]
According to such a roof structure of the present embodiment, radiant heat due to sunlight is blocked by the heat insulating board 13, and when heat conduction to the base plate 2 underneath is blocked, the heat insulating board 13 The radiant heat is discharged out of the roof by the convection of air passing through the formed communication hole 16 from the lower opening 16B of the lowermost heat insulation board 13 installed on the eaves side to the uppermost opening 16A. Therefore, radiant heat due to sunlight is not accumulated on the heat insulation board 13, and the temperature inside the roof and thus the room is prevented from increasing.
[0024]
【The invention's effect】
Since the roof structure according to the present invention is configured as described above, when most of the radiant heat generated by sunlight is blocked by the heat insulating board, the blocked radiant heat is generated in the communication hole formed in the heat insulating board. The radiant heat is not accumulated in the heat insulation board because it is released to the outside by the convection of air passing through. Therefore, radiant heat is not transmitted to the base plate installed at the lower part of the heat insulation board, and various effects such that the indoor temperature is not influenced by the external environment and rain sound is also blocked. There is.
[Brief description of the drawings]
FIG. 1 is an exploded perspective view of a roof structure according to the present invention.
FIG. 2 is a partial cross-sectional perspective view of the roof structure.
FIG. 3 is a partial longitudinal sectional view of FIG. 2;
4 is a partial cross-sectional view of FIG.
FIG. 5 is a partially omitted enlarged sectional partial view showing a connection portion of a heat insulating board.
FIG. 6 is an overall perspective view of a heat insulating board.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Rafter 2 Field plate 3, 4 Nuquiwood 5 Arabesque 6 Base wood 7 Roofing 8 Roof material 8A Standing part 9 Keraba wrap 13 Thermal insulation board 13A Upper end surface 13B Lower end surface 14 Thermal insulation board main body 15 Sheet 15A Connection sheet part 16 Upper communication hole 16A Opening portion 16B Lower opening portion 17 Concave groove 18A Upper overlapping portion 18B Lower overlapping portion

Claims (4)

On the base plate that forms the roof, install NUKI materials along the eaves and corner ridges and heat insulation boards on the remaining parts to cover the entire surface of the roof. to a roof structure ing to葺設roofing, the insulation board is composed of a sheet formed of a material having a heat-reflecting properties and water-impermeable characteristics were coated insulation board body and its upper surface, the When Ru comprising a heat insulating plural rows communication holes of the respective upper and lower end surface having an opening of the board between the insulation board body and the seat ゝmonitor, 's pair of coupling the upper and lower end surfaces of the insulation board facing portion The pair of jointed portions are overlapped, and the upper and lower openings of the communication holes are matched to each other so that the heat insulating board is joined in the vertical direction of the roof. And the roof structure . The heat insulation board is connected to a plurality of heat insulation board main bodies disposed on both right and left ends via a connection sheet portion formed of an extension of the sheet, and can be folded and expanded by bending the connection sheet portion. The roof structure according to claim 1 , wherein the roof structure is configured. The roof structure according to claim 1 or 2 , wherein arabesque is installed in a state of covering an upper surface and a lower end surface of the wood material installed along the eaves. The keraba wrap is installed in the state which covers the upright part formed in the upper surface and outer side surface of the said timber material installed along the corner ridge, and the side edge part of the said roof material, Among the Claims 1-3 The roof structure according to any one of the above.

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