JPH09328828A - Heat insulation air-tight panel and execution method of heat insulation air-tight wall making use thereof - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a heat insulation air-tight panel facilitating an execution in a construction field and a method executing a heat insulation air-tight wall by making use thereof. SOLUTION: An inside member 31 having thick thermal insulating materials 33 on both wings of a strut 32 and an outside member 37 having thin thermal insulating materials 39 on both wings of a vertical furring strip 38 are monolithically formed on both sides of an intermediate member 34 sticking a structural plywood 35 and a vaporproof sheet 36 on each other as a heat insulation air-tight panel 30, and the heat insulation air-tight panel 30 is fitted between two columns and is fastened to the columns. An exterior mall is mounted to the vertical furring strip 38 and columns, and an interior wall is mounted to the strut 32 and columns to execute a heat insulation air-tight wall.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a heat-insulating airtight panel for use in a highly airtight and highly heat-insulated house and a method for constructing a heat-insulating airtight wall of the house.

[0002]

2. Description of the Related Art Recently, a highly airtight and highly heat-insulating house capable of reducing energy costs for heating and cooling has been constructed. Highly airtight and highly heat-insulated houses are fitted with a heat insulating material between the outer wall and the inner wall with a pillar, a base, and a space between studs and braces in the space surrounded by eaves. It is blocking.

In the conventional construction method, as shown in FIG. 6, two pillars 11 and 12 forming an outer wall, an eaves barge 13, a base 14,
After framing the studs 15, braces 16, etc., the heat insulating material is cut according to the shape of the space portions 18 to 21 and the heat insulating material is fitted into the space portions 18 to 21 to perform heat insulation and each frame member. Stick a moisture-proof sheet in the gap between and. After that, the outer wall plate and the inner wall plate are attached. As such, there are complicated steps, and much labor is required. Further, the moisture-proof sheet has a problem that dew condensation occurs on a portion which is not in contact with the heat insulating material due to the temperature difference between the indoor air and the outdoor air. More recently, it has been considered to use a space between the heat insulating material and the outer wall and a space between the heat insulating wall and the inner wall as a ventilation path to further save energy, and for this reason, the heat insulating material can be more easily fitted into the frame. It is complicated.

[0004]

SUMMARY OF THE INVENTION An object of the present invention is to provide a heat-insulating airtight panel which can be easily installed on a construction site and a method of installing an airtight airtight wall using the same.

[0005]

According to the present invention, a thick heat insulating material made of glass wool is provided on both wings of a stud so as to be flush with one surface of the stud, and structural plywood and a moisture-proof sheet are provided on the flush surface. Is a heat-insulating airtight panel, characterized in that a vertical furring strip is provided at a position corresponding to the upper stud of the moisture-proof sheet, and a thin heat insulating material made of glass wool is pasted together on both wings of the vertical furring strip. According to the present invention, the stud, the vertical furring strip, and the heat insulating material made of glass wool and having different thicknesses are integrated with the structural plywood and the moisture-proof sheet sandwiched therebetween. The integration process can be mass-produced in the factory, and since the moisture-proof sheet is provided with heat insulating materials on both sides, no condensation occurs. Furthermore, since structural plywood is used, it is not necessary to use braces or the like.

According to the present invention, the heat-insulating airtight panel according to claim 1 is fitted between the columns, the structural plywood is fastened to the columns, the outer wall plate is attached to the vertical furring edge side, and the inner wall plate is attached to the stud side. This is a method of constructing a heat-insulating airtight wall, which is characterized in that According to the invention, the integrated heat-insulating airtight panel is fitted between the pillars, the structural plywood is fastened to the pillar with nails, etc. Walls can be constructed.

[0007]

BEST MODE FOR CARRYING OUT THE INVENTION The present invention will be described more specifically with reference to the drawings.

FIG. 1 is a cross-sectional view of the heat insulating and airtight panel 30 of the present invention. The heat-insulating airtight panel 30 includes an inner member 31, an intermediate member 34, and an outer member 37. The inner member 31 is, for example, 50 m thick on both sides of the wooden stud 32.
A thick heat insulating material 33 made of glass wool mat of m is provided, and one surface of the stud 32 is flush with the surface of the thick heat insulating material 33. The stud 3 that is flush with the inner member 31
The intermediate member 34 is pasted on the 2 and the thick heat insulating material 33. The intermediate member 34 has a moisture-proof sheet 36 attached to one surface of the structural plywood 35. An outer member 37 is further attached on the intermediate member 34. Outer member 37
Is provided on both wings of the vertical furring strip 38 so that a thin heat insulating material 39 made of, for example, a glass wool sheet having a thickness of 25 mm is flush with one surface of the vertical furring strip. The width of the inner member 31 is equal to the distance between the columns, the width of the intermediate member 34 is equal to the distance between the centers of the columns, and the width of the outer member 37 is made slightly smaller than the width of the intermediate member 34. Also, the height is 1
3 is made equal to the space between the base 74.

FIG. 2 is a sectional view showing a state in which the heat insulating airtight panel 30 is attached as the heat insulating airtight wall 54 of a highly airtight and highly heat insulating house. The inner member 31 of the heat-insulating airtight panel 30 is fitted between the columns 40 and 41, and the structural plywood 3 of the intermediate member 34.
5 is fastened to the pillars 40 and 41 with a nail or the like. The vertical furring strips 42, 43 are fastened to the columns 40, 41 through the structural plywood 35 with nails or the like on the joints of the structural plywood 35, and the outer wall plate 4
4 is fastened to the vertical furring strips 42 and 43 fastened to the columns 40 and 41 and the vertical furring strip 38 provided to the heat-insulating airtight panel 30 by means of nails or the like. On the other hand, the inner wall plate 45 is fastened to the pillars 40, 41 and the stud 32 provided on the heat-insulating airtight panel 30 with a nail or the like. This completes the insulating hermetic wall. In this embodiment, the thick heat insulating material 33 is thinner than the stud 32, and the thin heat insulating material 39 is thinner than the vertical furring strip 38. Therefore, the heat insulating material and the inner wall plate 45 and the outer wall plate are formed. 44
Ventilation spaces 46 and 47 can be separately provided between and.

FIG. 3 is a sectional view schematically showing a highly airtight and highly heat insulating house 51 having an insulating airtight wall 54 constructed according to the present invention. The main house 51 includes a living room 52 and a non-residential portion 53 such as a corridor / washroom 53A and a toilet 53B, which are surrounded by a heat insulating airtight wall 54 constructed according to the present invention. Ventilation equipment 7 at the top of the roof 71
There are two. The floor panel 55 of the living room 52 has a floor heating facility 5
6 is installed and floor heating is performed in winter.

Since the airtight house 51 is airtight, it cannot live without ventilation equipment. Ventilation equipment is divided into equipment that supplies fresh air and equipment that discharges dirty air. The supply equipment includes a heat exchange air unit 57 having a built-in supply fan, an air supply duct 58 for guiding fresh air to the underfloor 59, and an outlet grill 60 provided on the wall of the living room, and the fresh air supplied to the underfloor 59. Is the internal ventilation space 4
It is supplied to the living room 52 from the blowout grill 60 through 6.
The dirty air in the living room 52 is discharged to the non-residential portion 53 from the exhaust port 61 provided at the boundary with the non-residential portion 53, and is discharged from the heat exchange air unit 57 from the suction port box grill 63 through the exhaust duct 64. Is discharged to. This allows ventilation of the underfloor 59, and it is not necessary to provide a ventilation hole in the foundation 75 described later.

In the winter when heating is performed, part of the fresh air supplied to the underfloor 59 is sucked into the fan coil unit (FCU) 66 provided under the underfloor 59. Hot water is supplied to the fan coil unit 62 from a hot water generator (not shown) provided outside the house 51, and the hot water and fresh air are heat-exchanged in the FCU 66, and the heated air is heated by the floor heating facility 56. To heat the floor of the living room 52. The warmed air from the floor heating equipment 56 mixes with the fresh air under the floor 59, passes through the internal ventilation space 46, and is supplied into the living room 52 from the outlet grill 60. Since the air emitted from the floor heating facility 56 still has a considerable amount of heat energy, it is supplied to the living room 52 and the non-living area 53 after warming the living room 52 and the non-living area 53 via the inner wall plate 45.

FIG. 4 shows a floor panel 55 and bases 74A and 74.
FIG. 5A is a perspective view showing the relationship with B (collectively 74).
Is a cross-sectional view showing the relationship between the base 74A, the floor panel 55, and the heat-insulating airtight wall 54, and FIG. 5B is the base 74B and the floor panel 55.
It is sectional drawing which shows the relationship between a heat insulation airtight wall. A wooden base 74 is provided on a foundation 75 made of concrete or the like. A large pull 76 is attached to the base 74A,
The base 74B is parallel to the haul 76. Also floor panel 5
A joist 77 is provided at 5 in a direction perpendicular to the large pull 76. The joists 77 are generally provided on both ends of the floor panel 55, but the floor panel 5 provided on the base 74A side.
The joist 77 of No. 5 is provided slightly inside, as shown in FIG. On the other hand, a joist 78 is fixed to the base 74B and a joist 77 is supported. As a result, the underfloor 59 and the internal ventilation space 46 communicate with each other as indicated by an arrow A, and fresh air is supplied from the underfloor 59 into the living room 52 through the internal ventilation space 46. The relationship between the ceiling space on the first floor and the internal ventilation space 46 is almost the same except that the base 74 is replaced with the body insert 13.

When the outer wall plate 47 and the roof 71 are heated by sunlight or the like, a draft acts on the external ventilation space 47, and as shown by an arrow B, the air in the attic 80 is ventilated.
Exhaust from 2 and attic 80 and external ventilation space 47 in summer
And prevent the temperature rise. Further, a draining metal 79 is provided below the external ventilation space 47 to prevent moisture from entering the external ventilation space 47.

[0015]

According to the present invention, since the heat-insulating airtight panel is integrally manufactured at the factory, the heat-insulating airtight wall can be easily constructed using this. Further, the heat-insulating airtight panel uses the structural plywood in the center thereof, does not need to use braces for the frame, and does not cause dew condensation because both surfaces of the moisture-proof sheet are covered with the heat insulating material.

[Brief description of drawings]

FIG. 1 is a cross-sectional view of a heat-insulating airtight panel 30 according to an embodiment of the present invention.

FIG. 2 is a heat-insulating airtight wall 5 constructed according to an embodiment of the present invention.
4.

FIG. 3 is an example of a highly airtight and highly heat-insulated house 51 having an insulating airtight wall 54 constructed according to the present invention.

FIG. 4 is a perspective view showing a relationship between a floor panel 55 and a base 74.

5 is a cross-sectional view showing a relationship among a floor panel 55, a base 74, and a heat insulating airtight wall 54. FIG.

FIG. 6 is a perspective view showing a relationship among a base 14, pillars 11 and 12, and a body insert 13 according to a conventional technique.

[Explanation of symbols]

 30 heat-insulating airtight panel 31 inner member 32 stud 33 thick heat insulating material 34 intermediate member 35 structural plywood 36 moisture-proof sheet 37 outer member 38 vertical furrow 39 thin heat insulating material 40, 41 pillar 44 outer wall board 45 inner wall board 46 internal ventilation space 47 external Ventilation space 51 Highly airtight / highly insulated house 54 Insulated airtight wall

Claims (2)

[Claims] 1. A thick heat insulating material made of glass wool is provided on both wings of a stud so as to be flush with one surface of the stud, and a structural plywood and a moisture-proof sheet are attached to the flush surface to form a moisture-proof sheet. A heat-insulating airtight panel characterized in that a vertical furring is provided at a position corresponding to the stud, and thin wings made of glass wool are attached to both wings of the vertical furring to be integrated. 2. The heat-insulating airtight panel according to claim 1 is fitted between columns, structural plywood is fastened to the columns, and outer wall plates are attached to the vertical furring strips and inner wall plates are attached to the studs. Construction method of heat-insulating airtight wall.