JP2003027708A - Outer wall material of natural stone for building and wall body of building using the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an outer wall material and a wall body using the same which are excellent in fire resistance and free of discoloration and crack and have durability for a long period. SOLUTION: The present outer wall material of a natural stone for a building has a rear face 3 to be stuck on the wall surface of the building and a decorative front 2 and is constituted of a flat natural stone. A plurality of recessed grooves 4 or projections are provided in the square sticking face 3. The decorative front has a structure wherein the part in and near the center thereof has a protuberant thick wall and indentation, while the peripheral edge part is so formed as to have a thin wall. The wall body of the building is constructed by sticking the outer wall material 1 of the natural stone thus prepared to the substrate of the building by the medium of an adhesive 11.

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to an outer wall material used for an outer wall surface of a building and a wall body using the same.

[0002]

2. Description of the Related Art Aluminum siding, which is a heat insulating material in an aluminum plate, steel plate siding, which is a heat insulating material in a steel plate, and ceramic siding are mainly used as outer wall materials for buildings. And so on. Mortar walls and metal walls have also been constructed, but siding has been constructed on these.

[0003]

In many cases, siding and mortar walls are inferior in fire resistance, and there are many cases in which fading, cracking, and peeling occur. In the case of a metal wall such as aluminum or a colored steel plate, rusting or discoloration is observed over a long period of time. In addition, some examples are inferior in weight. When these problems exist, it is necessary to refill or repaint, but the problems occur in a relatively short period of time. Therefore,
The present invention examined an outer wall material having excellent fire resistance, no fading, no cracks, and long-term durability, and a wall body using the same.

[0004]

[Means for Solving the Problems] As a result of studying the above-mentioned problems, a natural stone outer wall for a building, which is provided with a back surface adhered to a wall surface of a building and a decorative surface, and is made of flat natural stone It was made of wood. This natural stone outer wall material for a building is provided with a plurality of concave grooves or ridges on a rectangular attachment surface, the decorative surface has a convex thick portion near the center and imparts unevenness, and the peripheral portion is formed thin. The structure is The natural stone outer wall material for a building is adhered to the base of the building with an adhesive to form a wall body of the building.

When the grooves or ridges for improving the adhesiveness are provided in the lateral direction, the adhesive holding property becomes good, and the adhesive strength of two or more, preferably about three grooves is high, and the number of manufacturing steps is balanced. Is preferred. For example, the preferable size of one piece of the natural stone outer wall material for a building of the present invention is 100 mm length × 200 mm width, the maximum thickness of the central portion is 25 mm, and the thickness of the edge portion is about 10 mm. 3 on the back
When the groove is provided, the width of each groove is 7mm and the depth is 4
It is advisable to provide the mm type at intervals of about 20 mm. by this,
It can be firmly attached to the wall of the building by using an adhesive, but if necessary for safety measures, various commonly used fixing brackets can be used together. The surface is excellent in design by providing irregularities.

The adhesive used is preferably one having excellent adhesiveness to the substrate (mortar, wood board, synthetic resin plate, etc.), water resistance, weather resistance and durability. Furthermore, in order to prevent peeling, an elastic adhesive having a high followability to the base is desirable, and disclosed in JP-A-4-008881 and JP-A-4-298592, an epoxy resin and a silicone capable of reacting with it are disclosed. Adhesives composed of compounds, moisture-curable adhesives containing a silane coupling agent in a saturated hydrocarbon polymer having a hydrolyzable silicon group, as in JP-A-2001-139918, and other adhesives Can be listed.

The adhesive is roughly rubber-based,
There are synthetic resin systems and cement mortar systems. For rubber adhesives, butadiene rubber (BR), styrene butadiene rubber (SBR), nitrile rubber, (NB
R), chloroprene rubber (CR), urethane rubber, etc. are used. In the synthetic resin adhesive, vinyl acetate, acrylic ester, vinyl chloride or epoxy resin is used as an adhesive component. In cement mortar system,
Cement or cement and synthetic resin emulsion or latex are used as the adhesive component. Examples of synthetic resins include vinyl acetate, acrylic ester, vinyl chloride-vinylidene chloride copolymer, epoxy resin, and the like.
Examples of the latex include natural rubber (NR), SBR, carboxyl-nitrile rubber (C-NBR), CR and high styrene latex (SB). The above synthetic resin emulsion or latex is added alone,
It is also possible to use a plurality of types in combination. Note that some adhesives have poor initial adhesive strength, and in that case, it is necessary to support them with supporting metal fittings or the like in order to prevent the falling of the natural stone outer wall material for buildings.

The wall of the present invention may or may not have joints depending on the design. In order for the adhesive to have a color tone as a joint material, it is necessary to include a pigment or a filler in a rubber type or a synthetic resin type and a pigment in a cement mortar type. Examples of pigments include inorganic pigments such as titanium oxide, zinc white, lithopone, and zircon oxide for white, and synthetic iron oxide, red iron oxide for red,
Typical examples are yellow synthetic iron oxide and loess, green is chromium oxide, blue is cobalt blue and ultramarine, and black is synthetic iron oxide and carbon black. Examples of organic pigments include Brilliant Carmine 6B, Watching Red and Lake Red for red, copper phthalocyanine and indanthrone for blue, and chlorinated copper phthalocyanine for green. Among these, a black or blue pigment may be used for coloring the joint material.

Since the natural stone used has a great influence on the appearance of the building, generally used granite and marble, which are generally used, are preferable. However, for the purpose of further enhancing aesthetics and design, rhyolite, Igneous rocks such as diabase and diorite, and sedimentary rocks and metamorphic rocks are appropriately and uniformly designed or used.

[0010]

BEST MODE FOR CARRYING OUT THE INVENTION The present invention will be described in detail below with reference to the drawings. FIG. 1 is a front view showing a natural stone outer wall material for a building which is an example of the outer wall material of the present invention, FIG. 2 is a rear view of the natural stone outer wall material for the building, FIG. 3 is a front view of the natural stone outer wall material for the building, and FIG. It is a side view of the natural stone outer wall material for the building.

As is apparent from these figures, this natural stone outer wall material 1 for a building is made of a natural stone that has been processed into a flat shape, has an uneven decorative surface 2 on the surface, and the back surface is a surface 3 to be attached to the wall surface of the building. Has become. The edges of the four surfaces are thin (about 10m
m), and the central part is thick (about 25 mm) and has a natural feeling with unevenness. In this example, it is formed in a rectangular shape having a length of 100 mm and a width of 200 mm, and the back surface is a flat attachment surface 3 and three concave grooves 4 are provided. The groove 4 formed with a width of 7 mm and a depth of 4 mm holds sufficient adhesive for attachment to the wall surface. In addition to the amount of adhesive applied to the entire flat attachment surface 3, the amount of adhesive retained in the groove 4 contributes to adhesion. Further, the concave groove 4 also has a function of preventing the adhesive from dripping.

An example of using the natural stone outer wall material 1 for a building of the present invention in a building is shown in FIG. The natural stone outer wall material 1 for a building of the present invention is attached to a wall surface excluding window frames, door frames and the like. When used in this way for the exterior of a building, fire resistance, which will be described in detail later,
Reduction of deterioration, soundproofing, far infrared ray effect, etc. can be obtained.

FIG. 6 shows a detailed example of the structure of the wall body to which the natural stone outer wall material 1 for a building of the present invention is attached. The vertical crossbar 5 stretches the waterproof sheet 9 on the outer surface side of the wall surface filled with the heat insulating material 8 in the gap formed between the inner panel 6 and the outer panel 7,
Mortar 10 is applied to the surface. The natural stone outer wall material for a building 1 of the present invention is attached to the surface of the same with an adhesive 11.

[0014]

The natural stone outer wall material for a building according to the present invention has excellent fire resistance, does not fade, does not crack, and has long-term durability. Also, by attaching this to the outer wall, when the sunlight hits, it emits far infrared rays, making the living space comfortable and
Has a positive impact on health. Further, the far infrared rays can remove excess moisture inside the wall.

[Brief description of drawings]

FIG. 1 is a surface view showing a natural stone outer wall material for building as an example of the outer wall material of the present invention.

FIG. 2 is a back view of the natural stone outer wall material for the building.

FIG. 3 is a front view of a natural stone outer wall material for the building.

FIG. 4 is a side view of the natural stone outer wall material for the building.

FIG. 5 is a front view of an example in which the natural stone outer wall material for a building of the present invention is used in a building.

FIG. 6 is a detailed view of a main part of a structure of a wall body to which the natural stone outer wall material for a building of the present invention is attached.

[Explanation of symbols]

1 Natural stone outer wall material for buildings 2 uneven surface 3 Sticking surface 4 groove 5 vertical bars 6 inner panel 7 outside panel 8 insulation 9 tarpaulin 10 mortar 11 Adhesive

Claims (3)

[Claims] 1. A natural stone outer wall material for a building, comprising a back surface sticking surface to a wall surface of a building and a decorative surface on the front surface, and made of flat natural stone. 2. The rectangular sticking surface is provided with a plurality of grooves or ridges, and the decorative surface has a convex thick portion near the center and is provided with irregularities, and the peripheral portion is formed thin. Natural stone outer wall material for buildings according to 1. 3. A wall body of a building, wherein the natural stone outer wall material for a building according to claim 1 is adhered to an underlayer of the building via an adhesive.