JP2010150859A - Roof structure - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a roof structure attaining a stable and firm mounted state of ventilation furring strips or the like, eliminating the projection of a screw tip from the lower face side of a deck plate, determining the mounting position of the ventilation furring strips or the like regardless of the position of a crest part of the deck plate and achieving it with easy construction. <P>SOLUTION: The upper face of the deck plate 3 is provided with a heat insulating layer 4 formed of plywood with a heat insulating material by bonding a foam resin heat insulating material 12 to one surface of the plywood 11 to integrate them. The heat insulating layer with the foam resin heat insulating material 12 placed at the lower side and with the plywood 11 placed at the upper side is installed on the upper face of the deck plate 3. A roofing material 7 is installed on a waterproof sheet 5 on the plywood 11 through the ventilation furring strips 6, and the ventilation furring strips 6 are mounted with screws or nails 14 driven with the plywood 11 as backing. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a roof structure.

As a structure of the roof, a structure in which a heat insulating material layer is installed on the upper surface of the deck plate has been conventionally provided.
Japanese Patent Laid-Open No. 03-156047

  However, when a roof ventilation layer made of a metal plate or the like is provided on the upper side of the heat insulating material layer to form a roof air ventilation layer, the base for attaching the air ventilation device edge or the suspension frame with screws is a heat insulating material. There is no choice but to secure it on the top surface of the top of the deck plate below the material layer, which increases the distance to the deck plate and makes it difficult to make the ventilator rim and the suspension frame stable and secure. The tip of the screw protrudes from the bottom side of the deck plate. Also, it is troublesome that the ventilator edge and the suspension piece must be placed so as to correspond to the position of the top surface of the deck plate. There is a problem that there is.

  In view of the above-mentioned problems, the present invention can make the mounting state of the ventilation trunk edge and the suspension piece stable and firm, and eliminate the protrusion of the screw tip from the bottom surface of the deck plate. In addition, it is possible to determine the mounting position of the ventilator rim and the suspension piece regardless of the position of the peak portion of the deck plate, and to provide a roof structure that can be realized easily. Is an issue.

The above problem is that a heat insulating layer is provided on the top surface of the deck plate, and the heat insulating layer is made of a plywood with a heat insulating material in which a foamed resin heat insulating material is bonded and integrated on one surface of the plywood. Lower, made of plywood up and installed on the top surface of the deck plate,
A waterproof sheet is installed on the plywood, a roofing material is installed on the waterproof sheet via a ventilation trunk edge, and a roof ventilation layer is formed between the waterproof sheet and the roofing material. And
The heat insulation layer is attached by screws driven from the upper surface of the plywood, with the deck plate as a base,
The ventilator edge is solved by a roof structure characterized in that it is attached by screws or nails driven using the plywood as a base (first invention).

  In this structure, a plywood with a heat insulating material in which a foamed resin heat insulating material is bonded and integrated on one surface of the plywood is used as the heat insulating layer, and the plywood with the heat insulating material is placed with the foamed resin heat insulating material on the bottom and the plywood on the top. Since it is structured to be installed on the top surface of the deck plate, the ventilator rim can be attached with screws or nails with the plywood located closer to the deck plate as a base, and the attachment state of the ventilator rim is stable and firmly In addition, the protrusion of the screw tip from the lower surface of the deck plate can be eliminated, and in addition, the mounting position of the ventilator edge can be determined regardless of the position of the peak portion of the deck plate.

  Moreover, since the heat insulating layer is composed of the above-described plywood with a heat insulating material, the plywood and the foamed resin heat insulating material can be constructed as a single body, facilitating the construction of the roof. Can do.

  Further, it is needless to say that the roof ventilation layer can effectively suppress the temperature rise of the roof surface in summer, and that the condensation on the deck plate in winter can be prevented by the heat insulation layer.

  In the first invention, the roofing material is made of a metal plate, and the suspension piece used for constructing the metal plate roofing material is preferably attached by screws or nails driven using the plywood as a base (first). 2 invention). In this case as well, the suspension piece can be attached with screws or nails, with the plywood located closer to the deck plate as a base, as with the ventilator edge, and the attachment state of the suspension piece is stable and solid. In addition, the protrusion of the screw tip from the bottom surface side of the deck plate can be eliminated, and in addition, the mounting position of the suspension piece can be determined regardless of the position of the peak portion of the deck plate.

  In the first and second inventions, it is preferable that the plywood with a heat insulating material is formed by being bonded and integrated with the plywood using the adhesiveness at the time of foaming of the foamed resin heat insulating material (third invention).

In this case, the adhesive between the foamed resin heat insulating material and the plywood can be performed together in the manufacturing process of the foamed resin heat insulating material, and of course, the plywood with the heat insulating material can be manufactured with high productivity.
Adhesion between the foam resin insulation and the plywood can be made reliable and strong. The plywood with insulation is installed on the top surface of the deck plate with the foam resin insulation down and the plywood up. With the base plate as the base, the foamed resin heat insulating material and the plywood can be firmly attached to each other with the deck plate as the base.

  1st-3rd invention WHEREIN: It is good to make the inside of the trough part by the side of the lower surface of the said deck plate into a cabin back ventilation path (4th invention). In this case, the roof ventilation can prevent dew condensation in the winter and can prevent the increase in the temperature of the roof in the summer.

  1st-4th invention WHEREIN: The said waterproof sheet consists of a moisture-permeable waterproof sheet, and the moisture sent into the said roof ventilation layer through this moisture-permeable waterproof sheet from the back of a hut is discharged | emitted outdoors through this roof ventilation layer. (5th invention). In this case, it is possible to effectively prevent dew condensation due to moisture in the winter hut or indoors.

  Since the present invention is as described above, the mounting state of the ventilator rim and the suspension piece can be made stable and firm, and the protrusion of the screw tip from the bottom surface of the deck plate can be eliminated. In addition, it is possible to determine the attachment position of the ventilator edge and the suspension piece regardless of the position of the peak portion of the deck plate, and it is possible to easily realize it.

  Next, the best mode for carrying out the present invention will be described with reference to the drawings.

  The structure of the roof of the embodiment shown in FIGS. 1 to 3 is applied to an inclined roof such as a single-flow type, and 1 is a steel purlin as a roof beam, and a keystone plate or the like on the purlin 1 The deck plate 3 made of is installed in an inclined state, a heat insulating layer 4 is provided on the top surface of the deck plate 3, a moisture permeable waterproof sheet 5 is provided on the heat insulating layer 4, and the moisture permeable waterproof sheet 5 is A roofing material 7 is installed through the ventilator edge 6... And a roof ventilation layer 8 is formed between the moisture-permeable waterproof sheet 5 and the roofing material 7. As shown in FIG. As an entrance, outside air flows into the roof ventilation layer 8 from under the eaves 9, flows through the roof ventilation layer 8, and is then discharged outside.

  Each ventilator edge 6 may be made of wood or the like, but in this embodiment, the ventilator edge 6 is made of a hollow material such as a hollow sheet having a plurality of or a plurality of vent passages extending in the ventilation direction in the cross section, and the roof vent layer The ventilation of 8 is performed more effectively.

  Further, in the present embodiment, the inside 10 of the valley portion on the lower surface side of the deck plate 3 is used as a hut back ventilation passage, the eaves bottom 9 is used as an air inlet, and the outside air flows into the shed back ventilation passage 10 from under the eaves. After flowing through, it is designed to be discharged outdoors. Ventilation may be performed by an action of increasing the temperature difference of air, or may be performed by a fan.

  The heat insulating layer 4 is made of a plywood with a heat insulating material in which a foamed resin heat insulating material 12 is bonded and integrated on one surface of the plywood 11, with the foamed resin heat insulating material 12 facing down and the plywood 11 facing up. It consists of the one installed on the top surface. The plywood 11 with a heat insulating material is formed by being bonded and integrated with the plywood 11 by using the adhesive property at the time of foaming of the foamed resin heat insulating material 12, and specifically, for example, the foaming resin to the plywood It was produced by spraying.

  The heat insulation layer 4 is attached by screws 13 driven from the upper surface of the plywood 11 with the deck plate 3 as a base, and the ventilation trunk edges 6 are attached by screws or nails 14 driven by the plywood 11 as a base. ing. Further, the roofing material 7 is made of a metal plate, and hanging pieces 15 used for constructing the metal plate roofing material 7 are attached by screws or nails 14 driven with the plywood 11 as a base.

  In the roof structure described above, a plywood with a heat insulating material in which a foamed resin heat insulating material 12 is bonded and integrated on one surface of the plywood 11 is used as the heat insulating layer 4. Since the plywood 11 is placed on the upper surface of the deck plate 3 with the plywood 11 facing up, the ventilator edge 6 and the suspension frame 15 are placed on the plywood 11 at a position closer to the deck plate 3 with screws or nails. 14, and the mounting state of the ventilator rim 6... And the suspension piece 15... Can be made stable and firm. In addition, it is possible to eliminate the protrusion of the tip of the machine screw, and in addition, it is possible to determine the mounting position of the ventilator edge 6 and the suspension piece 15 regardless of the position of the peak portion of the deck plate 3.

  And since the heat insulation layer 4 is comprised with the above-mentioned plywood with a heat insulating material, the plywood 11 and the foamed resin heat insulating material 12 can construct them as an integrated object, and construction of a roof is easy. Can be.

  Further, in the heat insulating layer 4, since the foamed resin heat insulating material 12 and the plywood 11 are bonded and integrated, both the foamed resin heat insulating material 12 and the plywood 11 are formed by screws 13 driven into the deck plate 3 from the upper surface of the plywood 11. The deck plate 3 can be used as a base and can be firmly attached.

  In addition, since the waterproof sheet 5 is made of the moisture permeable waterproof sheet, indoor moisture sent from the back of the hut to the roof ventilation layer 8 through the moisture permeable waterproof sheet 5 is discharged to the outside through the roof ventilation layer 8. In this way, it is possible to effectively prevent dew condensation due to moisture in the winter hut or indoors.

It is a section front view showing the roof structure of an embodiment. It is an exploded front view of the roof structure. It is a cross-sectional side view of the same roof structure.

Explanation of symbols

3 ... Deck plate 4 ... Heat insulation layer 5 ... Moisture permeable waterproof sheet (waterproof sheet)
6 ... Ventilation trunk edge 7 ... Roofing material 8 ... Roof ventilation layer 10 ... Attic ventilation passage 11 ... Plywood 12 ... Foam resin heat insulating material 13 ... Screw 14 ... Screw or nail 15 ... Hanging frame

Claims (5)

A heat insulating layer is provided on the top surface of the deck plate, and the heat insulating layer is made of plywood with a heat insulating material in which a foamed resin heat insulating material is bonded and integrated on one surface of the plywood. And is installed on the top surface of the deck plate,
A waterproof sheet is installed on the plywood, a roofing material is installed on the waterproof sheet via a ventilation trunk edge, and a roof ventilation layer is formed between the waterproof sheet and the roofing material. And
The heat insulation layer is attached by screws driven from the upper surface of the plywood, with the deck plate as a base,
The roof structure is characterized in that the ventilator edge is attached by screws or nails driven in with the plywood as a base.   The roof structure according to claim 1, wherein the roofing material is made of a metal plate, and a suspension piece used for constructing the metal plate roofing material is attached by screws or nails driven using the plywood as a base. .   The structure of the roof according to claim 1 or 2, wherein the plywood with a heat insulating material is formed by being bonded and integrated with the plywood using the adhesiveness at the time of foaming of the foamed resin heat insulating material.   The roof structure according to any one of claims 1 to 3, wherein the inside of the valley on the lower surface side of the deck plate is used as a roof back ventilation passage.   The waterproof sheet is a moisture-permeable waterproof sheet, and moisture sent to the roof ventilation layer from the back of the cabin through the moisture-permeable waterproof sheet is discharged to the outside through the roof ventilation layer. The structure of the roof as described in any one of 4.

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