JPH094168A - Decoration sheet for external facing - Google Patents

Abstract

PURPOSE: To provide an external facing material easy to be fabricated and installed, excellent in the fireproofness, and presenting a natural sense by applying resin mortar to which aggregate is added, to the surface of a base consisting of a fiber sheet such as glass fiber non-woven cloth, and thereby forming a decoration layer. CONSTITUTION: A resin mortar 2 to which aggregate 4 is added, is applied to the surface of a base 1 consisting of a fiber sheet, and thereby a facial decoration layer 3 is formed, and a decoration sheet A for external facing is fabricated for use in affixation to the exterior wall of a building. If necessary, a die separation sheet is provided on the resin mortar 2, and thereover a press working is applied to produce a surface unevenness, and an emboss pattern is formed on the surface of the decoration layer 3. It is practicable to generate different sorts of appearances by adopting vermiculite, pearlite, shirasu baloon, silica, etc., as the aggregate 4. Thereby a decoration sheet A relatively soft and capable of being wound can be obtained, in which the bonding strength of the base mortar is high and also crack initiation will be less. Thus an exterior material easy to be fabricated and installed can be established easily.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an exterior decorative sheet that is attached to the outer wall of a building to finish the outer wall with makeup.

[0002]

2. Description of the Related Art Conventionally, as a means for finishing the outer wall of a building, as shown in FIG. 4, a method of coating the outer wall surface (a) of the building with mortar (b) is generally used. in recent years,
Various ideas such as applying mortar (b) with a multi-headed gun to reveal complex patterns, or adding various aggregates to mortar (b) to give it a natural appearance Has been done.

[0003]

However, as in the prior art described above, the outer wall surface (a) of the building is mortar (b).
If you finish by painting with, it will be difficult to obtain a uniform finished appearance due to slight differences in the coating conditions because it will be a painting work at the construction site, and in order to obtain a uniform and stable finished appearance, advanced technology and experience However, depending on the construction site, there are cases where it is difficult to paint or cure the mortar (b) due to problems such as space and environmental conditions, which makes construction difficult.

There is also known a construction method in which the outer wall of a building is covered with a siding material formed of metal, cement or the like for finishing. However, in this case, the siding material cannot be increased in size due to problems in manufacturing, transportation, and weight at the time of construction, and the work of covering a large number of siding materials is troublesome and inconvenient to handle. Was something I felt.

The present invention has been invented to solve the above-mentioned problems in the prior art. That is, the problem is that it is easy to handle and has excellent fire protection, and can be easily attached to the outer wall of a building. It is an object of the present invention to provide a decorative sheet for exterior, which can be finished with a uniform and stable appearance.

[0006]

The decorative sheet for exterior according to claim 1 of the present invention comprises a resin mortar applied to the surface of a base material made of a fiber sheet to form a surface decorative layer. The above problems have been solved.

An exterior decorative sheet according to a second aspect of the present invention is characterized in that, in the exterior decorative sheet according to the first aspect, an aggregate is added to the resin mortar.

The exterior decorative sheet according to claim 3 of the present invention is the exterior decorative sheet according to claim 1 or 2, wherein a release sheet is placed on the applied resin mortar, and a concave-convex press working is performed on the release sheet. Is applied to form an embossed pattern on the surface of the surface decorative layer.

The exterior decorative sheet according to claim 4 of the present invention is the exterior decorative sheet according to any one of claims 1 to 3, wherein a non-woven fabric made of glass fiber is used as the fiber sheet. Is characterized by.

The exterior decorative sheet according to claim 5 of the present invention is characterized in that, in the exterior decorative sheet according to any one of claims 1 to 3, asphalt felt is adopted as a fiber sheet. To do.

[0011]

In the decorative sheet for exterior according to the first aspect of the present invention, the entire sheet is formed into a sheet shape, so that it can be easily attached by being attached to the outer wall of the building. In this case, the exterior decorative sheet is sheet-shaped and easy to handle, and the size can be increased to simplify the construction.

Further, since the exterior decorative sheet is formed by applying resin mortar on the surface of a base material made of a fiber sheet to form a surface decorative layer, it can be applied at the factory and has a uniform and stable surface cosmetic. Layers can be obtained. Moreover, since the surface decorative layer is made of resin mortar containing resin,
Not only does it have excellent fire resistance, but it also has high bonding strength with the base material made of a fiber sheet and is unlikely to crack. Therefore, the outer wall of the building can be easily finished with a uniform and stable appearance.

In the exterior decorative sheet according to claim 2 of the present invention, since the aggregate is added to the resin mortar in particular, the surface of the surface decorative layer has a natural appearance rich in variation due to the aggregate. Is revealed.

In the decorative sheet for exterior according to claim 3 of the present invention, in particular, a release sheet is arranged on the applied resin mortar, and uneven pressing is performed on the release sheet.
The release sheet is peeled off, and an embossed pattern is formed on the surface of the surface decorative layer.

In the exterior decorative sheet according to the fourth aspect of the present invention, since the non-woven fabric made of glass fiber is used as the fiber sheet, fire resistance is improved.

In the exterior decorative sheet according to the fifth aspect of the present invention, since asphalt felt is used as the fiber sheet, the waterproof property is improved.

[0017]

EXAMPLE FIG. 1 shows an embodiment of the present invention. An exterior decorative sheet A shown here is a base material 1 made of a fiber sheet.
The surface decorative layer 3 is formed by applying the resin mortar 2 on the surface of the.

In the exterior decorative sheet A, the base material 1
A non-woven fabric made of glass fiber (50 g / m ² manufactured by Olivebest Co., Ltd.) is used as the fibrous sheet to be used. However, in addition to the non-woven fabric made of glass fiber, non-woven fabric made of synthetic resin such as nylon or asphalt felt is used. Is also good. Ordinary Portland cement (OPC) contains an acrylic emulsion to form a resin mortar 2, and an aggregate 4 which is vermiculite is added to the resin mortar 2.

To manufacture the exterior decorative sheet A, first, a resin mortar 2 is applied to the fibrous sheet as the base material 1 with a resin gun or a roll coater. Next, the resin mortar 2 thus coated is covered with a resin sheet to prevent the release of water, and left in this state for several days to cure and cure the cement component in the resin mortar 2. Then, the base material 1 is dried by heating if necessary.
The surface decorative layer 3 is fixedly formed on the surface of the.

In this case, the resin mortar 2 can be applied at the factory and a uniform and stable surface decorative layer 3 can be obtained. Moreover, since the surface decorative layer 3 is made of a resin mortar 2 containing an acrylic emulsion, not only the cement as a main material is excellent in fireproofness but also the base material 1 made of a fiber sheet is easily impregnated and adhered to the base material 1. It has a high bond strength with and is relatively flexible and hardly cracks.

Further, since the aggregate 4 is added to the resin mortar 2, the surface of the surface decorative layer 3 has a varied appearance due to the aggregate 4. In this case, various different appearances can be exhibited by using, for example, perlite, shirasu balloon, silica or the like other than vermiculite as the aggregate 4. Also, the base material 1
Since a non-woven fabric made of glass fiber is used as the fiber sheet, the fire resistance is excellent.

FIG. 2 shows a state in which the exterior decorative sheet A is attached to the outer wall surface 10 of a building. In this case, since the entire sheet is formed into a sheet shape, it is adhered or nailed to the outer wall surface 10 of the building. It can be easily attached and installed. In addition, the exterior decorative sheet A is a relatively flexible sheet that can be rolled up and is easy to handle, and can be made large to simplify the construction. Therefore, the exterior wall of the building can be easily finished with a uniform, stable and natural appearance, and the fire resistance of the exterior wall can be secured.

FIG. 3 shows another embodiment of the present invention. In the exterior decorative sheet B shown here, a release sheet 5 is arranged on the applied resin mortar 2, and a concave-convex press working is performed on the release sheet 5. Then, the release sheet 5 is peeled off to form the embossed pattern 6 on the surface of the surface decorative layer 2. Therefore, in the embodiment, similar to the construction method described in the above embodiment with reference to FIG. 2, the exterior decorative sheet B is attached to the exterior wall surface 10 of the building to construct the exterior wall of the building. The appearance having the embossed pattern 6 can be easily makeup-finished. Other than that, the configuration is the same as in the above-described embodiment, and the construction is performed in the same manner as in the above-described embodiment, and the same operational effect is exhibited.

Next, the formulation examples in the above respective embodiments will be described.
Table 1 shows Examples 1 to 9.

[0025]

[Table 1]

In Table 1, Examples 1 to 5 employ a non-woven fabric made of glass fiber as the substrate 1, and Examples 6 and 7 use non-woven fabric made of nylon fiber as the substrate 1 (20 g /
m ² product) and Examples 8 and 9 employ asphalt felt as the base material 1. Further, in Comparative Example 1, the acrylic emulsion and the aggregate (vermiculite) were not contained, and the ordinary Portland cement (O
Only PC) is applied to a non-woven fabric made of glass fibers.

Further, in Examples 4 and 5, the resin mortar 2 was applied by spraying using a resin gun, but in other examples, the resin mortar 2 was applied by using a roll coater. In any case, the plant mortar 2 could be applied uniformly with the resin mortar 2 applied amount of 300 g / m ² . In Examples 1, 2, 6, and 8, the resin mortar 2 was applied without containing the aggregate (vermiculite).

Further, Examples 3, 4 and 5 are the embodiments shown in FIG. 3 above, in which the release sheet 5 is arranged on the applied resin mortar 2 and the embossed pattern 6 (depth is 1.3 mm). The other example is the embodiment shown in FIG. 1. Further, in any of the examples, the resin sheet was covered and cured at room temperature for 14 days, and then dried at 60 degrees Celsius for 30 minutes.

In Comparative Example 1, cracks were generated on the surface during the drying. This is a standard Portland cement (OP
It is considered that since only C) was applied, it was harder than the surface decorative layer 3 made of the resin mortar 2 and the bonding strength with the non-woven fabric was weakened. When asphalt felt is used as the fiber sheet which becomes the base material 1 as in Examples 8 and 9, the waterproofness is excellent.

[0030]

As described above, the exterior decorative sheet according to claim 1 of the present invention is in the form of a sheet and is easy to handle,
It can be easily attached to the outer wall of a building, and it can be made larger to simplify the construction. Moreover, it not only excels in fire resistance but also has a strong bonding strength with the base material made of fiber sheet. It is high and less prone to cracks, and therefore the outer wall of the building can be easily finished with a uniform and stable appearance.

Further, in the exterior decorative sheet according to claim 2 of the present invention, in particular, the aggregate added to the resin mortar causes a change in the surface of the surface decorative layer, which gives a natural appearance. Can be makeup finished.

Further, in the exterior decorative sheet according to the third aspect of the present invention, in particular, an embossed pattern is formed on the surface of the surface decorative layer, and the appearance having the embossed pattern can be easily finished with makeup.

Further, in the exterior decorative sheet according to the fourth aspect of the present invention, particularly, a nonwoven fabric made of glass fiber is adopted as the fiber sheet to improve the fire resistance.

In the exterior decorative sheet according to the fifth aspect of the present invention, in particular, asphalt felt is used as the fiber sheet to improve waterproofness.

[Brief description of drawings]

FIG. 1 is a cross-sectional view showing an embodiment of a decorative sheet for exterior use according to the present invention.

FIG. 2 is a schematic cross-sectional view showing a construction state of the exterior decorative sheet.

FIG. 3 is a cross-sectional view showing another embodiment of the exterior decorative sheet of the present invention.

FIG. 4 is a schematic cross-sectional view showing a conventional construction state.

[Explanation of symbols]

 1 Base Material 2 Resin Mortar 3 Surface Decorative Layer 4 Aggregate 5 Release Sheet 6 Embossed Pattern

Claims (5)

[Claims] 1. A decorative sheet for exterior packaging, which is obtained by applying a resin mortar to the surface of a base material made of a fiber sheet to form a surface decorative layer. 2. The exterior decorative sheet according to claim 1, wherein an aggregate is added to the resin mortar. 3. The embossed pattern is formed on the surface of the surface decorative layer by arranging a release sheet on the coated resin mortar and subjecting the release sheet to uneven pressing. Exterior decorative sheet. 4. The exterior decorative sheet according to any one of claims 1 to 3, wherein a non-woven fabric made of glass fiber is used as the fiber sheet. 5. The exterior decorative sheet according to claim 1, wherein asphalt felt is used as the fiber sheet.