JPS5816066B2 - The best way to get started - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method for forming fireproof decorative walls used in general houses and a base plate used in the method.

Conventionally, a cement mortar wall forming method has been widely used as a method for forming fireproof decorative walls, but this method has the following drawbacks.

a. After applying waterproof paper such as tar felt paper or asphalt felt paper, apply lath such as metal lath or wire lath.

Next, apply mortar with a trowel, use a ricing gun, etc. to apply the undercoat, intermediate coat, etc.
There are many steps as the top coat is applied separately.

b Since the mortar wall completed in this way has only laths attached to the structural material with nails, it is vulnerable to external forces such as shock and vibration, and the mortar surface easily cracks, cracks, and flakes.

Furthermore, if rain, snow, etc. enters the back side of the mortar, it is difficult for the moisture to escape and the structural materials are likely to rot.

Recently, the dry method 1, which forms decorative fireproof walls in a short time by bonding exterior wall materials such as asbestos slate boards, asbestos cement boards, pulp cement boards, and wood wool cement boards onto structural materials, has become popular. This method also has the following drawbacks.

That is, since the plate-shaped body is hammered in the width direction and the length direction, the joints of the plates, nail heads, etc. are easily noticeable, reducing the design value.

In addition, the plate-shaped body has a flat surface and lacks a three-dimensional effect even if it is decorated by painting or printing.

The present invention aims to solve these problems of the prior art.

The present invention will be described in detail below with reference to the drawings.

The forming method of the present invention uses the following base plate 6 for forming a fireproof decorative wall.

The base material of the base plate 6 may be a magnesium carbonate-based substrate containing magnesium carbonate as the main component, inorganic or organic fibrous substances such as asbestos, hemp, or pulp, or magnesium hydroxide, or asbestos or calcium silicate as the main component. A porous light inorganic substrate such as a calcium silicate substrate containing rock wool, pulp, etc. is used.

The surface of the base plate 6 has low-density convex portions 2 with a flat upper surface 1 and a patterned outline made of stucco, terrazzo, or the like.

Further, surrounding the convex part 2, a large number of concave parts 5 having a large number of small thin protrusions 4 on the inner wall surface 3 are arranged in a high density design.

In the method of the present invention, such base plate 6 is bonded to structural members such as studs and rims 8.

Next, a plastering material γ such as cement mortar, gypsum plaster, plaster, or dolomite plaster is applied in a layer along the unevenness of the entire surface of the base plate 6 using a spray gun or brush, and then allowed to dry and harden naturally.

The uneven portions 5 and 2 on the surface of the base plate 6 described above are formed by consolidating the concave portions 5 during embossing to have a high specific gravity, while the convex portions have a lower specific gravity than the concave portions.

This uneven embossed pattern can be used to form stucco, terrazzo, etc. patterns as appropriate by replacing the engraving plate.

The specific gravity of the base plate 6 can be adjusted as appropriate by adjusting the pressing force when forming the uneven portions, changing the composition, etc.

Normally, the convex portions 2 of the base plate 6 have a specific gravity of 0.2 to 0.7, and the concave portions 5 have a specific gravity of 0.3 to 1. The process is lightweight and durable.

If the organic admixture such as wood fiber, hemp fiber, pulp, etc. mixed into the base plate 6 is within 10φ, the fire resistance will be improved.

A resin sealer such as an acrylic, urethane, or epoxy resin sealer may be applied to the surface of the base plate 60 to improve water resistance, chemical resistance, surface strength, and the like.

Adhesive, nail joiner, etc. are used as appropriate for fixing the base plate 6 to the structural material such as the rim 8 and studs.

The spacing between the furring edges 8 is about 30 cm to 45 crn.

10 is the head of a nail.

Among the plastering materials T, cement mortar, plaster, etc. are used for exterior walls, and gypsum plaster is preferred for interior walls.

The plastering material is applied by spraying using a gun, brush, trowel, etc.

The plastering material is usually applied to a thickness of about 0.5 to 5 m so as to form a continuous layer along the irregularities of the base plate 5.

The uneven portions 2 and 5 of the base plate 6 are suitably plated so as not to cause faults at the joint portion 9 when struck vertically and horizontally.

Since the present invention has the above-described configuration, its effects can be summarized as follows.

(2) Since the concave portion 5 of the base plate has a high specific gravity, high density, and high strength, it can sufficiently suppress expansion and contraction of the plastering material 7 and prevent delamination of the base plate 60.

On the other hand, since the upper surface 1 of the convex portion 2 is flat, the plastering material 7 and the base plate 6
Even if there is a stress that tends to shift between the two due to the difference in expansion/contraction rate between the two, slippage occurs on the mutual contact surfaces, and the stress that tends to shift can be absorbed.

Therefore, no cracks or cracks occur in the applied plastering material T.

(2) Since the four parts 5 have a large number of small glue-like protrusions 4 on the inner wall surface, the plastering material 7 and the base plate 6 are in close contact with each other in a wedge shape and will not separate.

(2) The method of the present invention requires no undercoating, intermediate coating, top coating, etc. in addition to pasting waterproof paper and lath as in the past, so the work process can be significantly shortened.

In particular, since curing of mortar can be omitted, time can be significantly shortened.

- Since the nail heads 10, butt joints 9, etc. are hidden by the plastering material 7, there is little chance of finishing the decorative pattern.

■ Since the base plate is a porous light inorganic plate such as magnesium carbonate or calcium silicate, it is lightweight and has extremely high fire resistance.

Example 1 The base plate 6 has a composition of 5 parts pulp, 10 parts asbestos fiber, 5 parts magnesium hydroxide, and 80% magnesium carbonate.

The length x width x thickness is 180 crn x 90 cm x 15 cm, and the torso edges are 8 spaced at 35 cm intervals.

On the surface of the base plate 6, there is a concave part 2 having a specific gravity of 0.6 and a small protrusion 4 of 1 to 2 rrrm in height, and a convex part 2 with a specific gravity of 0.4 and a stucco-like outline, and the convex part 2 is surrounded by a concave part 5. be combined as appropriate depending on the situation.

Next, use a mortar lysine spray gun to apply Composition 7, obtained by uniformly mixing and stirring the IPOLY color inorganic pigment to a cement mortar with a ratio of Portland cement and sand of 1:3, to a thickness of 3. It was applied in a continuous layer of ~4 cm and allowed to dry and harden to form a high quality wall with a stucco finish of Ipoly colored cement mortar.

Example 2 Sand stone material (SiO2 content of 85 or more) as the base plate 6
60φ, calcareous material (CaO content 70 parts or more) 25
%, Portland cement 5 Hiroshi asbestos fiber 10% calcium silicate plate is used.

Its length x width x thickness is 240 cm x 60 ctn x 25%, and 10 pieces of glue are applied to the rim 8 with an interval of 40 cm.

- The thickness of the base plate 6 is 5 to 7%, and the surface has a specific gravity of 0.7 and a height of 1 to 1.5%, with a concave part 5 having a small glue-like protrusion 4, and a specific gravity surrounded by the concave part 5. 0.5 and has a flat convex portion 2 on the upper surface 1 having a terrazzo-like outline.

Next, use a mixture of 1st grade slaked lime and ash at a ratio of 6:4 for the top coat, 600 Tsunomata for 20kf. Using an airless sprayer, plastering material 7 is applied to a thickness of 2% along the irregularities on the surface of base plate 6 using a plaster mixture of 50 oz.

[Brief explanation of drawings]

FIG. 1 is a partially enlarged front sectional view of the fireproof decorative wall of the present invention, and FIG. 2 is a partially cutaway perspective view thereof. 1: Upper surface of the convex portion, 2: Convex portion, 3: Inner wall surface of the concave portion, 4: Ricin-like small projections, 5: Concave portion, 6: Base plate, 7: Plastering material, 8:
Frame, 9: Base plate 6 surface, 10: Nail head.

Claims (1)

[Claims] 1. A convex portion 2 with a low density on the surface and a flat upper surface 1, and a large number of concave portions 5 surrounding the convex portion 2 with a high density and having a large number of small protrusions 4 on the inner wall surface 3. After fixing the base plate 6 to the structural soil using the provided base plate 6 made of a porous light inorganic plate such as magnesium carbonate or calcium silicate, plastering material 7 is applied to the unevenness of the surface of the base plate 6. A method for forming a fire-resistant decorative wall, characterized in that it is coated in layers along parts 2 and 5. 2 A convex portion 2 with a low density on the surface, a flat top surface 1, and a patterned outline, and a concave portion 5 with a high density and a large number of small thin projections 4 on the inner wall surface 3 surrounding the convex portion 2 are arranged. A base plate for forming fireproof decorative walls made of porous light inorganic plate materials such as magnesium carbonate and magnesium silicate.