JPH10205015A - Building equipped with ventilative layer - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a building wherein humidification in the building frame can be prevented while deterioration of heat insulating materials and corrosion of wood can be prevented too. SOLUTION: In a building constructed by framing panel method wherein a wall structural part 1 is structured with a structural panel 1A arranged between columns, the structural panel 1A is composed of a framework made up of vertical frames and horizontal frames into a square shape, a structural facing material 11 stuck to the exterior side of the framework, a heat insulating material 14 inserted, being put aside to the interior side, into the internal space of the framework, a dampproofing material 13 arranged at the interior side of the heat insulating material 14, and a ventilative layer 16 formed between the structural facing material 11 and the heat insulating material 14. The ventilative layer 16 is made to communicate with a ventilative space 36 in the ceiling plenum in a ceiling structural part 3 and a ventilative underfloor space 26 in a floor structural part 2.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a building provided with a ventilation layer, and more particularly to a building constructed by a framed panel construction method, which is provided with a ventilation layer capable of preventing the inside of the body from being wet. About buildings.

[0002]

2. Description of the Related Art In a wooden or steel-framed building,
Since it can be constructed into a free shape at relatively low cost and can exhibit excellent proof strength, a method of arranging a structural panel between columns to constitute a structural wall (hereinafter referred to as a "framed panel method") )) Is spreading as a kind of new conventional construction method. In a building of such a construction method, similarly to a building by a conventional construction method, high airtightness and high heat insulation are achieved from the viewpoint of energy saving, and a ventilation layer construction method for preventing the inside of the frame from being wetted. Have been proposed mainly around the wall.

[0003] In a building of the framed panel construction method, the structural panel includes, for example, a structural face material stuck on the outside of the framework, and an interior material such as a gypsum board stuck on the indoor side of the framework. It is mainly composed of a heat insulating material such as glass wool disposed between the structural face material and the interior material, and a ventilation space formed between the structural face material and the heat insulating material. The ventilation layer is formed between the structural surface material and the exterior material disposed outside the room, and the structural surface material of the structural panel includes the ventilation space and the outdoor side ventilation layer. And a small hole for making the continuation. On the indoor side of the heat insulating material, for example, a moisture-proof material such as a polyethylene film is stretched in order to prevent water vapor in the air in the heated room from permeating into the wall.

[0004]

In a building using the above-mentioned frame panel method, the necessary strength must be ensured by the structural panel material of the structural panel, so that the size of the ventilation hole is sufficiently large. It is difficult in practice, and in fact, the ventilation layer on the outdoor side does not function sufficiently with respect to the ventilation space inside the wall. As a result, for example, when the room temperature is lower than the outside air temperature due to cooling in summer, the water vapor contained in the air equivalent to the outside in the heat insulating material is condensed on the outdoor surface of the moistureproof material or inside the heat insulating material. This may cause deterioration of the performance of the heat insulating material and decay of the wood.

[0005] In particular, since the underfloor space is directly open to the outside air, there is a problem that dew condensation is more likely to occur in the heat insulating material inserted in the gap between the floor joists. In addition, in the connecting portion between the upper and lower floors of a two-story building or the like, the moisture-proof material stretched over the structural panels on the upper and lower floors is connected on the outer peripheral side of the upper floor joist, so the moisture-proof material and the structural face material There is no heat insulating material in between, and on the surface of the moisture-proof material in contact with the upper floor joists, there is a problem that the water vapor that has passed through the joists tends to form dew. In addition, the space above the ceiling,
Since high-temperature air, that is, air having a high absolute humidity, stays, there is a problem that dew condensation easily occurs in the heat insulating material inserted in the gap between the ceiling joists.

SUMMARY OF THE INVENTION The present invention has been made to improve the ventilation state of a wall component while maintaining the strength of the wall component as a structural wall. An object of the present invention is to provide a building constructed by a framing panel method. In view of the above, it is an object of the present invention to provide a building having a ventilation layer that can prevent the inside of a frame from being wet and prevent deterioration of a heat insulating material and decay of wood. Another object of the present invention is to provide a building capable of effectively preventing the floor component, the connecting component on the upper and lower floors, and the ceiling component from being wet.

[0007]

In order to solve the above-mentioned problems, in a building provided with a ventilation layer according to the present invention, a framed panel construction method in which a structural panel is arranged between columns and a wall constituting portion is formed. A structural panel, wherein the structural panel is biased toward the indoor side into a frame formed by a rectangular frame and a horizontal frame, a structural surface material stuck on the outdoor side of the frame, and an internal space of the frame. Insulation material inserted and inserted, a moisture barrier disposed on the indoor side of the insulation material, and a ventilation layer formed between the structural surface material and the insulation material, the ventilation layer is capable of venting the ceiling component It is characterized by being continuous with the space above the ceiling and the space under the floor where the floor can be ventilated.

In the above-mentioned building, in order to maintain the strength of the floor component and to ensure a sufficient amount of ventilation between the underfloor space and the ventilation layer, the floor component is permeable or arranged so as to be permeable. A foundation that is fastened to the foundation with a spacer in between,
A floor joist fixed on the base, a reinforcing plate for fastening the outer surface of the base and the floor joist, a vertical waist edge attached to the outdoor surface of the reinforcing plate at a predetermined pitch, and a chamber of the vertical waist edge It has a structural surface material attached to the outside and a ventilation path formed between the reinforcing plate and the structural surface material, and the ventilation layer of the wall component and the underfloor space of the floor component are It is preferable that the connection is continuous through a ventilation hole, a ventilation path and a spacer formed in the outdoor edge of the horizontal frame of the panel.

Further, in each of the above-mentioned buildings, in order to ensure a sufficient amount of ventilation between the space above the ceiling and the ventilation layer, the ceiling component is constructed of a ceiling joist installed at the upper end of the wall component and a ceiling joist. And a heat insulating material disposed on the upper surface of the interior material. The space above the ceiling is formed between the ceiling joist and the heat insulating material, and the ventilation layer of the wall component and the ceiling are provided. It is preferable that the space behind the ceiling of the component part is continuous through a ventilation path at the upper end part of the wall component part opened to the indoor side.

When each of the above-mentioned buildings is a two-story building or more, in order to increase the amount of ventilation in the ventilation layers on the upper and lower floors, the connecting components on the upper and lower floors are formed by vertical trunks attached to the outside of the joists. And a structural surface material attached to the outdoor side of the vertical trunk edge, and a ventilation path formed between the joist and the structural surface material, and a ventilation layer of a wall component on the upper floor. It is preferable that the ventilation layer of the lower-floor wall component is continuous through a ventilation hole and a ventilation path formed at the outdoor edge of the horizontal frame of the structural panel.

Further, in the case of the above-mentioned two-story building or more, in order to enhance the heat insulating effect in the connecting components on the upper and lower floors, the moisture-proof material continuous between the upper-floor wall components and the lower-floor wall components. Is preferably inserted between the joists of the upper floor joists and the joist stoppers on the indoor side in the connecting component on the upper and lower floors.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a building having a ventilation layer according to the present invention will be described with reference to the drawings. FIG.
1 is a schematic longitudinal sectional view showing the entire structure of a building provided with a ventilation layer according to the present invention. FIG. 2 is a cutaway perspective view showing the structure of the structural panel mainly used for the wall constituting section. 3 to 5 are enlarged views of main parts of FIG. 1, FIG. 3 is a schematic longitudinal sectional view showing a connecting component on the upper and lower floors, and FIG. 4 is an engagement with a floor component and a wall component. FIG. 5 is a schematic vertical cross-sectional view showing the structure, and FIG. 5 is a schematic vertical cross-sectional view showing an interlocking structure with a ceiling component and a wall component. Hereinafter, in the description of the embodiment, a building provided with a ventilation layer is abbreviated as “building”.

As shown in FIG. 1, the building of the present invention employs a framed panel construction method in which a structural panel (1A) is arranged between pillars (not shown) to form a wall constituting portion (1). The building is mainly composed of a wall component (1), a floor component (2) and a ceiling component (3). The wall component (1) has a ventilation layer (16) formed therein, and the ventilation layer (16) is provided with the air-permeable space above the ceiling (36) and the floor of the ceiling component (3). It is continuous with the ventilable underfloor space (26) of the component (2).

First, a structural panel (1) as a structural element
A) will be described. The structural panel (1A) is shown in FIG.
As shown in (1), a frame (10) formed in a rectangular shape by a vertical frame (10a) and a horizontal frame (10b), a structural panel (11) stuck on the outdoor side of the frame (10), and a frame Insulation material (14) inserted into the interior space of (10) so as to be biased toward the indoor side
And a moisture-proof material (1) arranged on the indoor side of the heat insulating material (14).
And 3) mainly. And the ventilation layer (1
The space forming 6) is composed of the structural face material (11) and the heat insulating material (1).
4) is provided.

As a constituent member of the frame (10), a square lumber made of wood or laminated wood and having a cross section perpendicular to the longitudinal direction having an appropriate size specification such as 2 × 4 inches or 2 × 6 inches is used. Is done. The dimensions of such square members are determined according to the thickness of the heat insulating material (14), the required strength, and the like.
Vertical frames (10a, 10a) located on both sides of the panel (1A)
Between a), a reinforcing member (10d) formed substantially identically to these vertical frames is arranged. The structural panel of FIG. 2 (1A)
Is shown with a part of the upper end side omitted, and the horizontal frame (10b)
Includes an upper frame in addition to the illustrated lower frame.

The outer dimensions of the frame (10) are, for example, a width (length of the horizontal frame (10b)) of about 900 mm and a height of about 2 mm.
It is about 400 mm, and such a dimension is set according to the construction site, the ceiling height of the living room, and the like. The vertical frame (10a) and the horizontal frame (10b), and the horizontal frame (10b) and the reinforcing material (10
d) are each joined together by screwing or nailing. Of course, various kinds of reinforcing hardware, adhesives, and caulks may be used in combination.

As the structural face material (11), a structural plywood or panel having a thickness of about 7 to 12 mm without a joint is usually used. Further, as the structural surface material (11), gypsum board, hard board, particle board,
A composite board in which a hard wood chip cement board, a flexible board, a pulp cement board, a calcium silicate board, a sizing board, a lath sheet and the like are laminated on one side can also be used. The structural face material (11) is nailed to the framework (10) based on a predetermined construction standard. Note that a waterproof sheet for preventing wetting during construction may be provided on the outdoor surface of the structural face material (11).

Although not shown, the heat insulating material (1)
In order to support 4) and to form the base of the interior material, a base material may be attached to the indoor side surface of the framework (10). As such a base material, plywood of about 2 to 6 mm,
Chip plywood, particle board or gypsum board can be used. Further, as a base material, a structural face material can be used. Outdoor facing material (1
In addition to 1), when the structural surface material is arranged on the indoor side,
The proof stress in the wall component (1) can be further increased.

The heat insulating material (14) may have a single-layer structure. However, in order to enhance shape retention and heat insulating effect, as shown in the figure, an inner heat insulating material (14a) and an outer heat insulating material (14b) are used. It is preferable to have a two-layer structure. As the inner heat insulating material (14a), for example, about 24 kg of glass wool is used, and as the outer heat insulating material (14b), for example, about 64 kg of glass wool formed into a plate shape is used. The apparent thickness of the whole heat insulating material (14) is about 50 to 150 mm.

For fixing the heat insulating material (14), an adhesive or the like may be used. However, in order to improve workability and to ensure the above-mentioned ventilation layer (16), for example, in FIG. A support (14c) having the structure shown is used. Support material (14
c) is composed of a synthetic resin net or a metal net having an appropriate rigidity, and the bent side edges thereof are fixed to the vertical frame (10a) and the reinforcing member (10d), respectively. You. Further, as the support material, a net formed in a corrugated shape made of synthetic resin or metal having appropriate rigidity can be used. In the case where the heat insulating material (14) has the above-described two-layer structure, it can be supported by the framework utilizing the entire rigidity of the outer heat insulating material (14b). It is also possible to simply lay a thin plate-shaped pier or the like.

As the heat insulating material, a material having substantially no hygroscopicity, for example, a foamed resin such as polyurethane or polystyrene having closed cells is used instead of the hygroscopic material such as glass wool. You can do it. Such a heat insulating material is disposed in a state of being in close contact with the above-mentioned base material or the outdoor surface of the moisture-proof material (13) using a tape or the like coated with an adhesive on both surfaces. When the heat insulating material is made of a foamed resin, the heat insulating material itself does not have a hygroscopic property, and thus exhibits a more excellent moisture-proof function.

As the moisture-proof material (13), various moisture-impermeable films and sheets can be used as long as they do not substantially transmit water vapor in the air. Specifically, polyethylene,
In addition to an olefin such as polypropylene, a film or sheet having a thickness of about 0.1 to 1.0 mm made of a thermoplastic resin such as polyvinyl chloride is used. The sheet means various sheet-like bodies on which a moisture-proof layer can be formed, and includes not only a film but also a moisture-proof sheet and a so-called moisture-proof panel to which a film is attached.

The size of the moisture-proof material (13) is determined by the size of the frame (10) in order to overlap the moisture-proof material at the joint between the structural panels (1A) or at the joint between the structural panel (1A) and another structural member. 30-100m from the surrounding area
The size is set to protrude by about m. When using the above-mentioned base material, the moisture-proof material (13) is stuck to any surface of the base material using a thermoplastic resin-based adhesive or a synthetic rubber-based adhesive. When directly fixing to the framework (10), it is usually attached using a fastening material such as a tucker.

The space as the ventilation layer (16) formed between the structural face material (11) and the heat insulating material (14) is about 10 spaces between the structural face material (11) and the heat insulating material (14). It is constituted by a gap of ３０30 mm. And the above-mentioned framework (10)
In the above, a plurality of ventilation holes (10c) are provided at the outer edge of the upper and lower horizontal frames (10b, 10b).

That is, as the constituent members of the framework (10), square members wider than usual by a dimension substantially corresponding to the gap distance of the ventilation layer (16) are used, and as shown in FIG. In (1), the structural panel (1A) is such that the outside edge of the framework (10) is larger than the outer surface of the floor joist (20) and the upper floor joist (50) to be described later by the width of the width. Are also arranged so as to protrude outside the room. With such a structure, it is possible to maintain the strength of the wall component (1) and to achieve ventilation through the ventilation holes (10c) provided in the upper and lower horizontal frames (10b, 10b) of the structural panel (1A). .

As shown in FIG. 2, the ventilation hole (10c) is provided in the structural panel (1A) for one of two ventilation layers (16, 16) separated by a reinforcing material (10d), for example. Three to six openings are made in the horizontal frame (10b) (the lower frame in the figure), and the diameter of each ventilation hole (10c) is usually 10 to 25 m.
m. The ventilation hole (10c) may be formed by a notch (not shown) formed on the side surface of the horizontal frame (10b) on the side of the structural face material (11).

Next, the main structure of a building using the above structural panel (1A) will be described. The building illustrated in FIG. 1 is a two-story building. Hereinafter, a wall component (1) and a connecting component (5) of upper and lower floors (a connecting portion of the wall component (1, 1) of upper and lower floors), The structure for joining the floor component (2) and the wall component (1) and the structure for joining the ceiling component (3) and the wall component (1) will be described in order.

As shown in FIG. 1, the wall constituting section (1) is constituted as a structural wall by arranging a structural panel (1A) between columns. In the wall component (1), the moisture-proof material (1) of the structural panels (1A, 1A) arranged in the horizontal direction is used.
The ends of (3, 13) are connected by an adhesive tape or the like.
An interior material (12) is stuck on the indoor side of the moisture-proof material (13) of the constructed structural panel (1A).

The interior material (12) is a structural panel (1A)
When there is no above-mentioned base material, usually, it is composed of a base material such as plywood, chip plywood or particle board of about 2 to 6 mm, and various interior finishing materials. It may be composed of only the material. Further, as the interior material (12), a structural face material can be used. Outdoor facing material (1
In addition to 1), when a structural face material is arranged on the indoor side as the interior material (12), the proof strength of the wall component (1) can be further increased. Furthermore, in the wall component (1), the exterior material (17) is provided on the exterior side of the structural face material (11) via the body edge.
Is attached.

In the two-story building illustrated in FIG.
In order to keep the ventilation layers (16, 16) of the respective wall components (1, 1) of the second floor (upper floor) and the first floor (lower floor) continuous and to maintain the strength of the connection part, the connection components of the upper and lower floors (5) is configured in a specific structure.

That is, the connecting component (5) of the upper and lower floors is
As shown in FIG. 1 and FIG. 4, for each structure of the vertical trunk edge (56) attached at a predetermined pitch to the outside of the upper floor joist (50) and the wall components (1) of the upper and lower floors. Panel (1A, 1
The structural face material (5) attached to the outdoor side of the vertical waist edge (56) in a state of being continuous with the structural face material (11, 11) of (A).
8) and an air passage (56c) formed between the upper floor joist (50) and the structural panel (58). The ventilation layer (16) of the upper-floor wall component (1) and the ventilation layer (16) of the lower-floor wall component (1) are defined by horizontal frames (1A, 1A) of the upper and lower structural panels (1A, 1A). 10b, 10b) are continuous through the above-described ventilation holes (10c, 10c) and ventilation paths (56c) formed at the outdoor edge.

The upper floor joist (50) has a joist (50a) constructed substantially in accordance with the construction shape of the upper floor, and a joist (50a).
And a joist stop (50b) installed between the joists (50a, 50a) at an appropriate pitch inside. And, on the upper surface of the upper floor joist (50), the floor material (5
1) is laid, and a floor finishing material such as a flooring material is laid on the upper surface of the floor material (51).

The floor structural panel (51) is laid inside the outermost joist (50a), and the upper surface of the joist (50a) is made of the same material as the floor structural panel (51). Spacers (51s) are laid. Then, the moisture-proof material (13, 13) of the upper and lower structural panels (1A, 1A) continuous with the upper-floor wall component (1) and the lower-floor wall component (1).
Are inserted between the floor structural surface material (51) and the spacer (51s), and between the joist (50a) and the joist stopper (50b) on the indoor side. This allows
The heat insulating effect of the upper floor joist (50a) can be used to further enhance the heat insulating performance of the connecting component (5).

As mentioned above, the structural panels (1
The horizontal frame (10b) (lower frame) of A) and the horizontal frame (10b) (upper frame) of the structural panel (1A) on the lower floor are the upper floor joists (5).
0), specifically, in a state in which it protrudes from the outer surface of the joist (50a) to the outside of the room, and in the protruding portion, each of the ventilation holes is formed in each of the horizontal frames (10b, 10b). (10c) is provided.

The horizontal frame (10b) (upper frame) of the structural panel (1A) of the lower-floor wall component (1) is connected to the lower surface of the upper floor joist (50) by a head joint (59). ). Therefore, in the connecting component (5) on the upper and lower floors, in order to further increase the connection strength between the wall component (1) on the lower floor and the joist (50), the connecting portion (5) is installed outside the joist (50a) and the head connecting (59). A reinforcing plate (57) is provided. Vertical torso (56)
Are mounted on the outdoor side of the reinforcing plate (57) at an arrangement pitch of about 50 to 150 mm, and the structural panel (58) is mounted on the outdoor side of the vertical waist edge (56). The structural face material (58) is a face material of the same standard as the structural face material (11) of the wall component (1). The ventilation path (56c) is formed by a gap between a number of vertical waist edges (56) arranged between the reinforcing plate (57) and the structural panel (58).

As described above, in the connecting component (5) on the upper and lower floors, the structural face material (58) is attached to the outside of the joist (50a), and the ventilation of the wall component (1) on the upper floor is performed. The layer (16) and the ventilation layer (16) of the lower-floor wall component (1) are provided with a ventilation hole (10c), a ventilation path (56c) and a ventilation hole (10).
The structure continuous through c) keeps the required strength of the connecting component and reduces the amount of ventilation between the ventilation layers (16, 16) of the wall components (1, 1) on the upper and lower floors. We can secure enough.

As a result, wetting and dew condensation of the heat insulating material (14) of the structural panel (1A) constituting the wall component (1) can be prevented, and the deterioration of the heat insulating material (14) and the wall component (1) can be prevented. ), The frame (10) of the structural panel (1A) and the structural face material (1).
1) and decay of wood such as upper floor joists (50) can be effectively prevented. Therefore, it is not necessary to perform a drilling process on the structural panel (11) of the structural panel (1A) of the wall component (1), and the strength of the structural panel (11) is not impaired.

Further, the moisture proof material (13, 13) connected between the wall components (1, 1) on the upper and lower floors is inserted between the joist (50a) and the joist stopper (50b) on the indoor side. This structure allows the joist (50a) to function as a heat insulating material, as if a heat insulating material were arranged outside the outdoor of the moisture proof material (13). Therefore, dew condensation on the surface of the moisture-proof material (13) can be prevented, and the upper floor joist (50) can be effectively prevented from being moistened or decayed. Further, the structure in which the head joint (59) at the upper end of the lower-floor wall component (1) and the joist (50a) are integrally fastened by the reinforcing plate (57) further increases the connection strength of the joint component. Can be enhanced.

In the building illustrated in FIG. 1, the ventilation layer (16) of the wall component (1) and the underfloor space (26) of the floor component (2) are integrated and the strength around the base and the joist is reduced. To hold, the floor component (2) is configured in a specific structure.

That is, as shown in FIGS. 1 and 3, the floor component (2) is fastened to the foundation (40) via a spacer (42) which is permeable or arranged so as to be permeable. A base (43), a floor joist (20) fixed on the base (43), a reinforcing plate (47) for fastening the outer sides of the base (43) and the floor joist (20), and a reinforcing plate ( 47) A vertical waist edge (4) attached to the outdoor surface at a predetermined pitch.
6), a structural panel (48) attached to the outdoor side of the vertical waist edge (46), a reinforcing plate (47) and a structural panel (4).
8) a ventilation path (46c) formed between them. The ventilation layer (16) of the wall component (1) and the underfloor space (26) of the floor component (2) are connected to the structural panel (1).
It is continuous through the ventilation hole (10c), spacer (42) and ventilation path (46c) formed in the outdoor side edge of the horizontal frame (10b) (lower frame) of A).

The floor component (2) includes a floor joist (20) and a floor structural surface material (21) (floor base material) laid on the upper surface of the floor joist, as well as a base structure. The floor joist (20) is a joist (20a) roughly imitated to the building shape of the building,
The inside of the joist (20a) and the joist (20
(20b)
Consisting of On the upper surface of the floor joist (20), a floor material for floor structure (21) is laid, and on the upper surface of the floor material for floor structure (21), a floor finishing material such as a flooring material is used as an interior material (2).
It is laid as 2).

A heat insulating material (24) is inserted into the space of the floor joists (20) arranged in a substantially lattice shape. Insulation material (24)
Is made of the same heat insulating material as the heat insulating material (14), and is usually fixed by a suitable support material such as a net. When glass wool or the like is used as the heat insulating material (24), the moisture proof material (23) is provided between the outdoor surface of the interior material (22), that is, the floor structure face material (21) and the interior material (22). Is arranged. The moisture proof material (23) is the above moisture proof material (13).
It is made of the same material as. And it is connected to the moisture-proof material (13) of the wall component (1) on the back surface side of the interior material (12) or (22) by an adhesive tape or the like.

The base structure comprises a base (41), a spacer (42) and a base (43), which are integrally fastened to a foundation (40) by anchor bolts embedded in the foundation. The foundation (40) is a so-called cloth foundation, and a heat insulating material (44) whose surface has been subjected to a water-repellent treatment is attached to an outer surface exposed to the ground. Basics (4
In the rising portion of (0), ventilation holes (49) are provided at appropriate intervals, and the underfloor space (26) is made permeable. The base (41) is disposed along the upper end surface of the foundation (40) to integrally support the upper base (43) and the vertical rim (46) and to distribute the load of the vertical rim (46). It is the member which was done.

The spacer (42) is composed of an array of a number of flat pillow-shaped synthetic resin blocks extending in the width direction of the base (41) arranged along the longitudinal direction of the base (41), and The upper end of one side edge and the lower end of the other side edge of the array are connected to each other to provide a structure in which about 3 to 10 blocks are continuous. A ventilation space is formed between each of the blocks. The spacers (42) are usually arranged at an appropriate pitch along the base (41), and the base structure can be ventilated by the gap between the adjacent spacers (42) and the space of the spacer (42) itself. Such a spacer (42) is known and is described in Japanese Utility Model Publication No. 61-46089.

The floor joist (20) is fixed to the base (43), and the base (43) and the floor joist (20) are firmly fastened by the reinforcing plate (47). Reinforcement plate (4
The arrangement pitch of the vertical waist edge (46) attached to the outdoor surface of (7) is usually about 50 to 150 mm in the horizontal direction. The structural face material (48) is the same face material as the structural face material (11) of the structural panel (1A) of the wall component (1).

As described above, the base (41), the spacer (42), the base (43), the reinforcing plate (47), and the vertical rim (4)
6) In the structure in which the structural panel (48) and the floor joist (20) are fastened, the underfloor component (2) can be a strong structure with excellent earthquake resistance. In addition, through the air passage (46c) formed by the gaps between the plurality of vertical rims (46) between the reinforcing plate (47) and the structural panel (48), and the gap formed by the spacers (42). Vent layer (1
The structure in which 6) and the underfloor space (26) are continuous can sufficiently secure the ventilation amount inside the wall component (1). Therefore, it is not necessary to perform a drilling process on the structural panel (1A) of the structural panel (1A) constituting the wall constituting section (1), so that the structural panel (11) does not lose its strength. .

Further, in the building illustrated in FIG. 1, the ventilation state of both the wall component (1) and the ceiling component (3) is further improved while maintaining the strength of the wall component (1). Therefore, the ceiling component (3) and the ceiling component (3)
The arrangement of the wall component (1) is configured to a specific structure.

That is, as shown in FIGS. 1 and 5, the ceiling component (3) includes a ceiling joist (30) erected at the upper end of the wall component (1) and a lower part of the ceiling joist (30). And an insulating material (34) disposed on the upper surface of the interior material (32).
6) is formed between the ceiling joist (30) and the heat insulating material (34). And the ventilation layer (16) of the wall component (1)
The space above the ceiling (36) of the ceiling component (3) is defined by a ventilation path (76) at the upper end of the wall component (1) opened to the indoor side.
Continued through c).

The ceiling joist (30) is composed of a joist (30 a) roughly imitated in a plane shape of the wall constituting portion (1) and a joist (3).
0a) and the joists (30a, 30a) at an appropriate pitch.
a) a suspension (30b) installed between them.
The exemplified ceiling joist (30) is connected via a head tie (79),
Upper floor wall component (1) Horizontal frame (1) of structural panel (1A)
0b) (upper frame). In the figure, reference numeral (7)
8) shows a girder for supporting the roof (8).

The interior material (32) is a ceiling material such as a gypsum board, a hard board, a particle board, or a flexible board, and is attached to a pier suspended from the ceiling joist (30). The heat insulating material (34) is the above heat insulating material (14).
And is mounted on the upper surface of the interior material (32) by a blowing method or the like. Insulation material (34)
Is made of glass wool or the like, a moisture-proof material (33) is arranged on the upper surface of the interior material (32). The moisture-proof material (33) is made of the same material as the above-described moisture-proof material (13). And the moisture-proof material (33) is made of the interior material (3).
2) Or on the outdoor surface of the interior material (12) of the wall component (1), they are connected by an adhesive tape or the like.

In the ceiling component (7), a space above the ceiling (36) is formed between the ceiling joist (30) and the heat insulating material (34) to further improve the ventilation state of the space above the ceiling.
That is, the ceiling joist (30) and the heat insulating material (34) are configured to be separated from each other. The space above the ceiling (36) can be ventilated through a lattice-shaped space of the ceiling joist (30), the back of the cabin (81), and ventilation holes provided on the wife side and under the eaves.

The ventilation path (76c) at the upper end of the structural panel (1A) constituting the upper-floor wall component (1) is insulated from the structural panel (1A) of the upper-floor wall component (1). Lumber (14)
Are shortened by a height substantially equivalent to the height of the space above the ceiling (36).
The ventilation layer (16) of the wall component (1) and the space above the ceiling (36) of the ceiling are reliably connected by the ventilation path (76c).

As described above, in the ceiling component (7),
Between the ceiling joist (30) and the heat insulating material (34), the space above the ceiling (36) separately from the lattice-shaped space of the ceiling joist (30)
The structure in which is formed can prevent stagnation of air having a relatively high temperature, that is, air having a high absolute humidity. Moreover, the ventilation path (76) provided at the upper end of the wall component (1).
In c), the air in the ventilation layer (16) of the wall component (1) can be reliably moved to the space above the ceiling (36) and a sufficient ventilation can be secured.

As a result, it is possible to prevent the heat insulating material (14) of the structural panel (1A) of the wall component (1) and the heat insulating material (34) of the ceiling component (3) from being moistened or dewed. Deterioration of (14, 34), frame (10) of structural panel (1A) of wall component (1), structural panel (11) and ceiling joist (30) of ceiling component (3). Wood decay can be effectively prevented. Further, there is no need to perform a drilling process on the structural face material (11) of the structural panel (1A) of the wall constituting part (1), and the strength of the structural face material (11) is not impaired.

As described above, in the building of the framed panel method according to the present invention, the ventilation layer (16) of the wall component (1), the underfloor space (26) of the floor component (2), and the ceiling configuration Since the space above the ceiling (36) of the section (3) is formed as a continuous space, and the ventilation efficiency of the entire frame is further enhanced, the outdoor surface of the moisture proof material (13, 23, 33) and the heat insulating material (14) are formed. ,
24, 34), there is no dew condensation inside the insulation (1).
4, 24, 34) and decay of wood can be effectively prevented. In other words, in the building of the present invention, while maintaining sufficient strength, wetting of the entire frame can be prevented, and durability can be further improved. Further, in the building of the present invention in which the floor component (2), the ceiling component (7), and the connecting component (5) of the upper and lower floors have the above-mentioned specific structure, wetting of the frame is more effectively prevented. it can.

[0056]

As described above, according to the building provided with the ventilation layer of the present invention, in the building constructed by the frame panel method, the ventilation layer of the wall component, the underfloor space of the floor component and the ceiling. Since the space behind the ceiling of the component part is configured as a continuous space and the ventilation efficiency of the entire frame is further enhanced, it is possible to maintain sufficient strength and prevent the entire frame from being wet,
The durability can be further improved.

Further, according to the building of the present invention in which the floor component has a specific structure, the underfloor component (2) can be made to have a strong structure with excellent earthquake resistance, and the wall component can be used. A sufficient amount of ventilation can be secured inside. Furthermore, according to the building of the present invention in which the ceiling component has a specific structure, it is possible to prevent stagnation of air having a high absolute humidity, and furthermore, the air in the ventilation layer of the wall component is reliably removed from the space above the ceiling. And a sufficient amount of ventilation can be secured.

Further, according to the building of the present invention in which the connecting components on the upper and lower floors have a specific structure, the required strength of the connecting components is maintained, and at the same time, between the ventilation layers of the wall components on the upper and lower floors. Can secure a sufficient amount of ventilation. Further, the structure in which the moisture-proof material of the wall components on the upper and lower floors is inserted between the joists of the upper floor joists and the joist stoppers on the indoor side can make the joists function as a heat insulating material. Therefore, it is possible to prevent dew condensation on the surface of the moisture-proof material in the connecting components on the upper and lower floors, and effectively prevent moistening and decay of the upper floor joists.

Moreover, according to the buildings of the above embodiments, it is possible to prevent the heat insulating material of the structural panel constituting the wall constituting portion from being moistened or dewed, and to prevent the deterioration of the heat insulating material, the frame of the structural panel, and the structural surface. Decay of wood and wood such as upper floor joists can be effectively prevented. In addition, there is no need to form a hole in the structural panel of the structural panel of the wall component, and the strength of the structural panel is not impaired.

[Brief description of the drawings]

FIG. 1 is a schematic longitudinal sectional view showing the entire structure of a building provided with a ventilation layer according to the present invention.

FIG. 2 is a cutaway perspective view showing a structure of a structural panel mainly used for a wall component.

FIG. 3 is a schematic longitudinal sectional view showing a connecting component on the upper and lower floors.

FIG. 4 is a schematic longitudinal sectional view showing a structure for connecting a floor component and a wall component.

FIG. 5 is a schematic vertical cross-sectional view showing an attachment structure with a ceiling component and a wall component.

[Explanation of symbols]

 1: Wall component 1A: Structural panel 10: Frame 10a: Vertical frame 10b: Horizontal frame 10c: Ventilation hole 11: Structural surface material 13: Moisture proof material 14: Heat insulating material 16: Ventilation layer 2: Floor component 20: Floor joist 26: Underfloor space 3: Ceiling component 30: Ceiling joist 32: Interior material (ceiling material) 33: Moisture proof material 34: Heat insulating material 36: Ceiling space 40: Foundation 41: Base 42: Spacer 43: Base 46: Vertical torso 46c: Ventilation path 47: Reinforcement plate 48: Structural surface material 5: Connecting part of upper and lower floors 50: Upper floor joist (2nd floor joist) 50a: Joist 50b: Stopping joist 56: Vertical waist 56c: Ventilation path 58: Structural surface material 76c: Ventilation path

──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. ⁶ Identification symbol FI E04B 2/56 605 E04B 2/56 605A 611 611C 644 644K 644H 645 645A 14-Chome North 1-26 Emoto Industry Co., Ltd.

Claims (5)

[Claims] 1. A building by a framing panel construction method in which a structural panel (1A) is arranged between pillars to form a wall constituting portion (1), wherein the structural panel (1A) has a vertical frame (1). 10a)
And a frame (1) formed into a square by the horizontal frame (10b).
0), a structural face material (11) stuck on the outdoor side of the framework (10), a heat insulator (14) inserted in the interior space of the framework (10) to be biased toward the room side, Moisture proof material (13) arranged on the indoor side of material (14), and structural face material (11)
And a gas permeable layer (16) formed between the heat insulating material (14), and the gas permeable layer (16) is provided between the ceiling component (3) and the air permeable ceiling space (36) and the floor component (2). A) a building provided with a ventilation layer, which is continuous with the ventilable underfloor space (26). 2. A floor component (2) comprising a base (43) fastened to a foundation (40) with a spacer (42) permeable or permeable to air interposed therebetween, and a base (43). ) Fixed on the floor joist, a reinforcing plate (47) for fastening the outer surface of the base (43) and the floor joist (20), and a predetermined outer surface of the reinforcing plate (47). A vertical waist edge (46) attached at a pitch, a structural face material (48) mounted on the outdoor side of the vertical waist edge (46), and between a reinforcing plate (47) and the structural face material (48). Ventilation path (46c) formed in
The ventilation layer (16) of the wall component (1) and the underfloor space (26) of the floor component (2) are defined by the outdoor edge of the horizontal frame (10 b) of the structural panel (1 A). Ventilation holes (10c), ventilation paths (46c) and spacers (4
2. The building according to claim 1, which is continuous through 2). 3. The ceiling component (3) includes a ceiling joist (30) erected at the upper end of the wall component (1) and a ceiling joist (3).
0), an interior material (32) provided below the interior material (3).
2) a heat insulating material (34) disposed on the upper surface, and a space above the ceiling (36) is formed between the ceiling joist (30) and the heat insulating material (34), and the wall component (1). Ventilation layer (1
6) and the space above the ceiling (36) of the ceiling component (3) are connected to the ventilation path (7) at the upper end of the wall component (1) opened to the indoor side.
The building according to claim 1 or 2, which is continuous via 6c). 4. A building having two or more floors, wherein a connecting part (5) of upper and lower floors has a vertical waist (56) attached to the outside of a joist (50), and a vertical waist (56). And a ventilation channel (56c) formed between the joist (50) and the structural panel (58). The ventilation layer (1) of the wall component (1)
6) and the ventilation layer (16) of the lower-floor wall component (1) are composed of ventilation holes (10c, 10c) formed in the outdoor edge of the horizontal frame (10b) of the structural panel (1A) and Vent (56
4. The building according to any of claims 1 to 3, which is continuous via c). 5. The moisture-proof material (13, 13) which is continuous between the upper-floor wall component (1) and the lower-floor wall component (1) is connected to the upper and lower floor connecting components (5). The building according to claim 4, wherein the building is inserted between a joist (50a) of the floor joist (50) and a joist stop (50b) on the indoor side thereof.