JPH0538169Y2 - - Google Patents

Description

[Detailed description of the invention] Technical field of the invention This invention is a foamed resin insulation suitable for being stretched around the outdoor side of columnar bodies such as columns and studs, and having exterior materials such as mortar applied on top of them. Regarding the board.

Technical background of the idea and its problems Modern wooden buildings have walls and roofs covered with insulation to improve heating and cooling efficiency. However, in conventional insulation structures, insulation material is filled between columnar bodies such as columns and studs, so the columnar parts become cold bridges (areas where insulation loss occurs), and the insulation material and columnar bodies There is a problem that a gap is likely to be formed between the two and sufficient heat insulation performance or airtightness cannot be obtained.

In order to eliminate such problems, as shown in Fig. 5, a plurality of insulating materials 3 and 4 are stretched in the surface direction on the outdoor side of columnar bodies such as columns 1 and studs 2, and these insulating materials 3, 4, lath 5, etc. are fixed to pillars 1 and studs 2 through vertical frame 7 with nails 8, and then an exterior material 9 such as mortar is applied to the surface of the insulation structure for buildings. There is.

However, the inventors of the present invention have found that in the case of the thermal insulation structure of a building, when installing the insulation materials 3 and 4 and the lath 5, there is a possibility that the following disadvantages may occur. .

That is, even if a plurality of heat insulators 3 and 4 are stretched smoothly around the outdoor side of columnar bodies such as columns 1 and studs 2, the nails 8 are attached to these heat insulators 3 and 4 through the vertical edges 7. When driven in, the vertical rim 7 will protrude from the surface of the heat insulators 3 and 4, and when the wire mesh lath 5 etc. are stretched, the surface 10 of the heat insulators 3 and 4 and the lath 5 or A gap _S1 will be created between the waterproof paper 6 and the waterproof paper 6. If such a gap _S1 exists, even if a considerable amount of tension is applied to the lath 5, etc., sagging will occur when the exterior material 9 is installed, and as shown in FIG.
This may cause wavy undulations on the surface, resulting in a poor-looking finish.

In addition, since the vertical furrow 7 is generally made of wood, the vertical furrow 7 may be twisted, bent, or warped due to drying or the like. If such a heat insulating structure is formed, the warping of the vertical furring 7 will immediately have an adverse effect on the surface of the exterior material 9, which may also result in a poor appearance.

In addition, in the example shown in FIG. 5, the heat insulating materials 3 and 4 are
Although the case where layers are laminated is shown, the same problem occurs when only one layer of thick heat insulating material is laminated.

Purpose of the invention The present invention was made in order to eliminate the inconveniences of the prior art. When a wire mesh-like lath, etc. is stretched around, the lath, etc. does not sag, and as a result, the exterior material can be A first object of the present invention is to provide a foamed resin insulation board with improved smoothness.

In addition, the present invention does not affect the appearance of the exterior material even if a backing plate with a deformed vertical rim or the like is used, and also improves air circulation and improves heat insulation and heating and cooling efficiency. The purpose of the present invention is to provide a foamed resin insulation board that is capable of

Summary of the invention The foamed resin insulation board of the invention has a flat back surface facing the columnar body through a heat insulating material, and a plate-like surface with a large number of convex portions formed on the surface facing the outdoor side. In a foamed resin insulation board that is made of resin foam and is fixed to a columnar body from the outdoor side through the plate with nail-like fasteners, the convex portion has a height that is approximately the same as the thickness of the plate. At the same time, the foamed resin insulation board has a foamed resin insulation board on a surface portion of the foamed resin insulation board that is near the center of the board and faces the columnar body through a heat insulating material disposed on the back surface. Wider than the width of the board for fixing the insulated boat, and 1 to 1.5 times the width of the columnar body to which the foamed resin insulating board is fixed by the nail-like locking device via the board. It has a flat area band for attaching the plate, and an edge flat area band having a width of 1/2 or more of the width of the flat area for attaching the plate is provided at the peripheral edge of the foamed resin insulation board. It is characterized by

Such a foamed resin insulation board according to the present invention has a band-shaped flat area near the center thereof for attaching a backing plate such as a vertical rim, and further has a band-shaped flat area on the periphery. It has a division. Since a plurality of protrusions having a height almost the same as the thickness of this plate were formed on the surface area excluding this area, the lath, waterproof paper, etc. could be stretched smoothly while being held by the protrusions. When an exterior material is applied to this material, the exterior material itself has an excellent smooth finish with no irregularities or undulations.

In addition, since the convex portion of the heat insulating plate is formed in the area other than the mounting area of the plate, even if the plate itself is deformed, the convex portion surrounds the plate from the outside, so that the plate can be deformed. The area around the backing plate can be smoothed, and the effect of deformation of the backing plate on the appearance of the exterior material is extremely small.

Furthermore, since the convex portion forms a ventilation space between the outdoor side of the foamed resin insulation board and the exterior material, this improves the insulation performance of the foamed resin insulation board, making heating and cooling more efficient. increase,
The moisture removal effect will also be improved.

DETAILED DESCRIPTION OF THE INVENTION Hereinafter, the present invention will be described in detail based on embodiments shown in the drawings.

FIG. 1 is a cross-sectional view of essential parts showing an example of use of a foamed resin insulation board according to an embodiment of the present invention, and FIG. 2 is a plan view of the same foamed resin insulation board, with the members shown in FIG. Identical members are given the same reference numerals.

In the embodiment shown in FIG. 1, an interior base material 20 and an interior material 21 are stretched on the indoor side of a building in which columns 1 and studs 2 are vertically erected. A heat insulating material 3 such as felt or glass wool is stretched around the outdoor side of the pillars 1 and studs 2. The foamed resin insulation board 4a of the present invention is stretched around the outdoor side of the insulation material 3. That is, the foamed resin insulation board 4a of the present invention has a flat back surface that faces columnar bodies such as the pillars 1 and studs 2 with the insulation material 3 interposed therebetween. A large number of convex portions 23 are formed on the surface of the foamed resin insulation board 4a facing the outdoor side. This foamed resin heat insulating board 4a is fixed to columnar bodies such as the pillars 1 and studs 2 from the outdoor side with nail-like fasteners such as nails via the contact plate.

By extending the foamed resin heat insulating board 4a in the surface direction on the outdoor side of the pillars 1 and studs 2 in this way, the inner air layer 22 can be formed between the heat insulating material 3 and the interior base material 20.

Here, the foam resin insulation board 4a is a foam board with a closed cell structure made by foaming a synthetic resin such as polystyrene, polyethylene, polyvinyl chloride, etc. 5 to 50 times, and preferably has a thickness of 20 to 100 mm. .
Among these, it is effective to use a polystyrene foam board, which has a high degree of rigidity, heat insulation, and moisture permeation resistance.

A plurality of convex portions 23 are formed on the outdoor surface of the foamed resin insulation board 4a in areas other than the vicinity of the center and the peripheral edge, which are the attachment areas of the vertical rims 7 serving as the backing plates. That is, as shown in FIG. 2, the surface of the foamed resin insulation board 4a has a width of about 1.5 to 1.0 of the widths L ₁ and L 2 of the pillars 1 and studs ₂ in the vertical direction.
A flat zone is formed in which no convex portion 23 is formed by twice the width M ₁ and M ₂ . However, the width of stud 2
When L ₂ is half of the column (L ₂ /2), the width of M ₂ is L ₂ /
It is calculated to be 3 to 2 times the width of 2. Therefore,
Regardless of the width of the stud, it is preferable that the widths of M ₁ and M ₂ be about 1.5 to 1.0 of the width of the stud, as this can accommodate various cases. That is, at a construction site, the positions of the pillars 1 and studs 2 may shift to the left or right to some extent due to design changes or the like. However, since the foamed resin insulation board 4a is uniformly manufactured in a factory,
There is no space available for changing the position of the rim in response to design changes. Therefore, in the past, the board was directly nailed to a pillar or the like without using the rim, or the board was nailed by placing the rim over the convex portion. Since the insulation board is made of resin foam, sufficient fixing strength cannot be obtained if it is nailed directly, and if it is nailed by applying the rim from above the convex part, the rim will be damaged. The exterior of the building had become swollen, detracting from the beauty of the building. The inventor of this invention focused on the fact that the width of columns and studs used in wooden buildings, etc. is almost constant, and that the width of columns and studs that shift due to design changes, etc. is generally within a certain range. A flat part without a convex part is formed in a band shape near the center of a foamed resin insulation board that has a convex part at almost the same height as the backing board, such as the edge, where the pillars and studs face the other side. However, by making this width 1 to 1.5 times the width of the pillar material normally used,
Even if the position of the pillar or stud shifts to the left or right due to design changes, the insulation board can be reliably fixed to the pillar material by shifting the position of the plate or the position of the nails. I gained knowledge. By providing a flat part on the periphery of the insulation board with a width of at least 1/2 of the band-shaped flat part provided near the center, the total width of the flat part provided on the periphery of the adjacent insulation board Then, a flat part with a width of 1 to 1.5 times the width of the normally used pillar material can be secured at the boundary with the adjacent insulation board, so the insulation board can be used as a pillar or stud at the periphery as well. It can be fixed securely.

In this way, the part to which the backing board is applied, such as the vertical rim, will not be higher than the height of the convex part provided on the surface of the insulation board, and the wire mesh-like lath 5 or waterproof paper 6, these laths 5, etc. are held on the flat upper surface 23a of the convex portion 23, and can be easily and smoothly installed without being affected by the shape of the vertical rim 7. becomes possible. Therefore, when the exterior material 9 is applied to this surface, the exterior material 9 itself has excellent smoothness without unevenness or undulations. In addition, it is possible to prevent unevenness and waviness of the exterior material 9 due to changes over time after construction.

Further, in the lateral direction of the foamed resin heat insulating board 4a, a region _L3 is provided in which the convex portion 23 is not formed only in a region that seals between these heat insulating materials 4a. Since a plurality of foamed resin insulation boards 4a are stretched horizontally and vertically, gaps S ₂ and S ₃ are created between each foamed resin insulation board 4a. After that, it is sealed using a sealing material such as putty. Therefore, if the convex part 23 is formed even in this sealing area, it will be difficult to perform the sealing operation, and there is a risk that the sealing performance will deteriorate, so the convex part 23 is not formed in this sealing area as well. This is desirable.

Further, all of the convex portions 23 have a length h that is equal to or slightly higher than the thickness t of the vertical furring 7.

In this way, the convex portion 23
Since it is formed in the area excluding the installation area,
Even if the vertical furring 7 itself is deformed to some extent, the convex portion 23 surrounds the vertical furring 7 from the outside, so that the deformation of the vertical furring 7 has less influence on the smoothness of the appearance.

Furthermore, since the convex portion 23 forms an air circulation space 24 between the exterior material 9 and the outdoor side of the foamed resin insulation board 4, the air permeability is improved and the moisture drainage effect is also improved. .

Note that the present invention is not limited to the embodiments described above, and can be modified in various ways.

For example, the shape of the convex portion is not limited to the circular shape shown in FIG. 1, but may be elliptical, rectangular, or other shapes. Further, the foam resin insulation board 4a according to the present invention may be made thick, and a heat insulation wall structure may be constructed by stretching one layer of the foam resin insulation board 4a. Furthermore, the foamed resin insulation board according to the present invention can be applied not only to the construction of mortar wall structures, but also to the construction of other walls such as siding walls, or insulation structures such as roofs and floors. Can be done.

Furthermore, as shown in FIG. 4, the size of the foamed resin heat insulating board 4b may be, for example, 910 mm in width x 920 mm in height, and 10 mm matching recesses 25 may be provided at the upper and lower ends thereof. This is because there are usually pillars or studs on the back side of the vertical (longitudinal) butt ends of foam resin insulation boards, and there is no gap that directly connects the inside and outside. Although it is possible to omit the section, there are no columns or studs located at the horizontal (lateral) direction butt ends, and there is a risk of creating a gap where the inside and outside communicate directly. A section 25 is provided,
This is preferable in order to eliminate the gap between the horizontally abutting ends of the foamed resin heat insulating board 4b.

In addition, the protrusion height of the convex portion 23 in the embodiment shown in FIG. 4 is 16 mm. This is because the thickness of the vertical rim serving as the backing plate is often 18 mm to 20 mm. In addition, since the spacing between pillars and studs in buildings is often 455 mm, and the horizontal length of the foamed resin insulation board shown in Figure 4 is 910 mm, in this example, the distance between the left and right ends and the center An attachment area for the vertical furrow 7 is provided in each of the sections.

The horizontal width of this area is M ₁ = 150mm in the center
, and M ₂ /2 = 80 mm at both ends. Since the dimensions of the pillars are 90 to 120 mm, they are approximately 1.0 to 1.5 times larger.

Further, the vertical distance M ₄ between the convex portions 23 is approximately 60 mm in the example shown in FIG. 4. This is because the heat insulating material 4b may be cut if the sash part is an end part, but if the interval between the convex parts 23 is about 60 mm, the width of the rim is generally about 45 mm, so The advantage is that the rim can always be constructed close to the end. That is, it is preferable that the interval between the convex parts 23 is 45 to 180 mm.

Further, in this embodiment, the interval _M5 between the convex portions 23 in the vertical direction is also 60 mm. This is because, with such spacing, it is also possible to construct a horizontal rim. From this point of view, it is preferable that the interval between the convex portions in the vertical direction is 45 to 180 mm.

Effects of the Invention As explained above, according to the present invention, a plurality of convex portions having a height almost the same as the thickness of the upholstery plate are provided on the surface area excluding the attachment area of the upholstery plate such as the vertical rim. As a result, the exterior base material such as lath is held by the convex portion and can be installed smoothly. When the exterior material is applied to this, the exterior material itself will be smooth without any unevenness or undulations. It will be excellent.

In addition, since the convex portion is formed in a part other than the mounting area of the backing plate, even if the backing plate itself is deformed, the above-mentioned convex portion will surround the backing plate from the outside. The effect of deformation on the smoothness of the appearance is reduced.

Furthermore, since the convex portion forms an air circulation space on the outdoor side of the foamed resin insulation board,
This will improve the efficiency of heating and cooling by improving insulation properties.

[Brief explanation of the drawing]

FIG. 1 is a cross-sectional view of the main parts showing an example of the use of a foamed resin insulation board according to an embodiment of the present invention, FIG. 2 is a plan view of the same foamed resin insulation board, and FIG. FIGS. 4A and 4B are front and side views of a foamed resin insulation board according to another embodiment of the present invention, and FIG. 5 is an enlarged sectional view showing a conventional foamed resin insulation board. FIG. 1... Column, 2... Stud, 3... Insulation material, 4a,
4b... Foamed resin insulation board, 5... Lath, 6
...Waterproof paper, 7... Vertical rim (covering board), 8... Nail body,
9...Exterior material, 23...Protrusion, h...Height, t...
…thickness.

Claims (1)

[Claims for Utility Model Registration] Consisting of a plate-shaped resin foam that has a flat back surface facing the columnar body through a heat insulating material, and a large number of convex portions formed on the surface facing the outdoor side. , in a foamed resin insulation board fixed to a columnar body from the outdoor side via a backing plate with a nail-shaped fastener, the convex portion has a height that is almost the same as the thickness of the backing board, and the foamed resin The foamed resin insulation board is fixed to the surface portion of the foamed resin insulation board that is near the center of the board and faces the columnar body through the insulation material placed on the back side. A flat surface for attaching the plate, which is wider than the width of the plate for attaching the plate, and has a width of 1 to 1.5 times the width of the columnar body to which the foamed resin insulation board is fixed via the plate with a nail-like fastener. and a flat edge band having a width of at least 1/2 of the width of the flat part for attaching the board is provided at the peripheral edge of the foamed resin insulation board. Foamed resin insulation board.