JP2514949Y2 - Siding board - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a siding board having heat insulation and moisture permeability.

[Conventional technology]

As a siding board required for construction (hereinafter abbreviated as a board), a board having glass wool as a core material is often used. In recent years, a board having a humidity control function, in which a back sheet of the board is used as a waterproof layer and a water-absorbing material is attached to the sheet in dots, has been used. (For example, Kokoku Sho 63
-29762) [Problems to be solved by the invention] The former board using glass wool as a core material absorbs or absorbs dew condensation water or the like during long-term use, and a part of it absorbs the board. There was a problem that it fell more and corroded the furring strips that attached the board and other components, and once it was absorbed by the board, it did not dry, and the heat insulation property dropped significantly. .

Further, in the latter board, it is difficult to provide the sheet with the moisture absorbing material in a dot shape, which is expensive, and there is a problem that the water absorbing material is easily broken from the adhered portion.
Moreover, since the volume of the water-absorbent material increases when it absorbs water, there is a problem that the sheet is deformed even if the water-absorbent material is arranged in dots.

The present invention has been made in view of the above problems of the prior art, and an object of the present invention is to prevent siding from deforming or corroding components even when absorbing moisture, and also from deteriorating the heat insulating effect. To serve the board.

[Means for solving the problem]

To achieve the above object, the siding board according to the present invention comprises a heat-insulating core material coated with at least a hygroscopic and moisture-permeable protective material, and the upper part of the protective material is placed on the lower side from the indoor side to the outdoor side. While providing an upward connecting portion consisting of an upper stage, a middle stage, and a lower stage, from the indoor side to the outdoor at the lower part of the protective material, an inward opening opening facing the upper stage of the upward connecting part, and a connecting hand facing the middle stage, Also, a downward connecting part consisting of open ports facing each other on the lower side is provided, and a metal exterior material is attached to the outside of the protective material from the lower stage of the upward connecting part and hangs down to the exterior material below the downward connecting part. It is provided with a draining piece.

[Action]

Heat conduction is prevented by the heat insulating core material, dew condensation water and moisture in the air are absorbed by the hygroscopic protective material, and the moisture absorbed by the protective material is diverged due to temperature rise and wind.

〔Example〕

Hereinafter, the structure of the siding board according to the present invention will be described with reference to the drawings of the embodiment. The board 1 includes a core material 2, a protective material 3 that covers the core material 2, and an exterior material that is attached to the outside of the protective material 3. It is composed of 6.

The core material 2 has a plate-like shape and is made of at least a heat insulating material, for example, foamed polystyrene or urethane worm.

The protective material 3 is provided with a step-like upward connecting portion 4 which is stepped downward from the indoor side toward the outdoor in the upper portion, while the lower portion of the protective material 3 is fitted to the upward connecting portion 4'of the lower board 1 '. The possible downward connecting portion 5 is provided, and the vertical grooves 8 are provided at appropriate intervals on the outdoor side.

The upward connecting portion 4 includes the upper step 14 of the inwardly inclined upper surface 4a on the indoor side,
A middle step 24 of the outwardly inclined upper surface 4b is provided in the middle portion, a lower step 34 of the outwardly inclined upper surface 4c is provided on the outdoor side, and the wall thickness becomes thinner as it goes up from the outdoor side toward the indoor side.

The downward connecting portion 5 is located in the middle portion, and the lower board upward connecting portion 4 '.
A connecting hand 25 facing the middle stage 24 is vertically installed, and an inward opening opening facing the upper stage 14 of the upward connecting portion 4'on the indoor side of the connecting hand 25.
15, the outward opening 35 facing the lower stage 34 is provided on the outdoor side,
On the upper part of the inward opening port 15, a slanted bottom surface 5a that descends and slopes toward the indoor side is formed, so that the connecting hand 25 can be fitted into the upper connecting part middle stage 24 of the lower board 1 ', and the upper part of the inward opening port 15 can be installed. The upper stage 14 of the facing connecting portion 4'can be inserted.

The protective material 3 is formed of a material having at least hygroscopicity and moisture permeability, for example, diatomaceous earth, foamed concrete, or the like, and is also preferably formed of a material having both heat insulation and fire resistance.

The exterior material 6 is provided with a step wall 16 that bends inwardly in the room,
The draining piece 26 is hung on the lower part and is mainly adhered to the outdoor side of the protective material 3 by using an adhesive. The step wall 16 is attached to the upper connecting portion lower step 34 of the protective material 3 to attach the draining piece 26. It hangs downward from the downward connecting portion 5, reaches the lower connecting portion 34 of the upper connecting portion of the lower board 1 ', and the outward release port 35 extends to the exterior material step wall 16 of the lower board 1'.
Open towards.

As a material of the exterior material 6, for example, a steel plate, an aluminum plate,
A synthetic resin plate is used.

3 and 4 show a case in which the back surface 6a of the exterior material 6 is roughened, or the ridge 7 is provided on the back surface 6a of the exterior material 6, and the exterior material 6 is used as a mold for the protective material 3. It is used and inserted on the outdoor side of the protective material 3.

In the figure, P is an airtight material fitted to the inner part of the inward opening 15 forming the downward connecting part 5, that is, the inclined bottom surface 5a.

Since the board of the present proposal has the above-mentioned structure, when mounting it, it is to be mounted sequentially from bottom to top,
Specifically, the exterior material 6 is directed to the outside of the room, the downward connecting portion 5 is turned downward, and the middle step 24 of the upward connecting portion 4 is nailed to the body to fix the upper portion of the lower board 1 ', and then to the upper portion thereof. Upper board 1
The downward connecting portion 5 is fitted, that is, the downward connecting portion connecting hand 25 is inserted into the middle stage 24 of the upward connecting portion 4, and the inward opening 15 of the downward connecting portion 5 is inserted into the upward connecting portion 4. The upper stage 14 is fitted and the upper connecting middle stage 24 of the board 1 is nailed.

The upper part of the board 1 is fixed by nailing, and the lower part of the board 1 is locked by the lower board 1'fixed previously and cannot be removed. That is, the inwardly inclined upper surface 4a of the upper stage 14 is locked to the inclined bottom surface 5a of the inward opening port 15.

[Effect of device]

Since the siding board of the present invention is configured as described above, it has the following effects.

Since the core material of the board has a heat insulating property, heat conduction is prevented by the core material. Moreover, since the protective material that coats the core material also has hygroscopicity and moisture permeability, even if dew condensation occurs on the board, the dew condensation water can be absorbed, and not only the moisture in the air can be absorbed, The water once absorbed by the protective material evaporates due to the rise in temperature and the wind blown on the protective material, and is diffused to the outside.

In the board of the present invention, the lower connecting portion of the upper board is fitted and locked to the upper connecting portion of the fixed board, and the upper connecting portion of the upper board is attached while being nailed. Not only is it really easy and easy, but the draining piece provided in the lower part of the exterior material hangs down to the lower stage of the upper connecting part of the lower board, and since the outward opening port is formed on the outdoor side of the downward connecting part, Rainwater dripping along the exterior material is blown along the back surface of the draining piece, or is blown into the outward opening port provided in the downward connecting portion. As a result, rainwater is not sprayed directly onto the board connections. Furthermore, in a board provided with a vertical groove on the outside of the protective material, the moisture absorbed can be more easily diffused.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a partially cutaway perspective view showing an example of use of the siding board of the present invention, FIG. 2 is a vertical sectional view showing an example of mounting the board, and FIGS. 3 and 4 are boards. Longitudinal sectional view showing a structural example of
FIG. 5 and FIG. 6 are transverse cross-sectional views of essential parts showing an example of the shape of the vertical groove. 1,1 ′ …… Siding board, 2 …… Core material, 3 …… Protective material, 4,4 ′ …… Upward connecting part, 14 …… Upper stage, 24 …… Middle stage, 34 …… Lower stage, 5 …… Downward connecting part, 15,35 …… Opening port, 25 …… Coupling hand, 5a …… Sloping bottom, 6 …… Exterior material, 16
…… Step wall, 26 …… Drainer piece, 7 …… Projection, 8 …… Vertical groove,
P: Airtight material

Claims (1)

(57) [Scope of utility model registration request] 1. A core material (2) having a heat insulating property is covered with a protective material (3) having at least hygroscopicity and moisture permeability, and the upper part of the protective material (3) is stepped from the indoor side to the outdoor side. While the upward connecting portion (4) that becomes lower in shape is provided, the downward connecting portion (5) that can be fitted to the upward connecting portion (4 ') of the lower board (1') under the protective material (3). ) Is provided, the upward connecting portion (4) forms the upper stage (14), the middle stage (24), and the lower stage (34) in this order from the indoor side to the outdoor side, and the downward connecting portion (5) is from the indoor side. Toward the outdoors, the inward opening (15) facing the upper stage (14) of the upward connecting portion (4 ′), the coupling hand (25) facing the middle stage (24), and the lower stage (34) are faced. Formed from the opening (35), a metal exterior material (6) is attached to the outside of the protective material (3) from the lower stage (34) of the upward connecting portion (4), and Downward connecting part at the bottom Siding boards provided draining piece (26) hanging down from 5) to below.