JPH02140357A - Decoration aggregate exposure construction method - Google Patents

Abstract

PURPOSE:To expose the decoration aggregates by pressing and attaching the decoration aggregates arranged to a desired shape onto a wall surface to be applied with decoration and then exfoliating a sheet and further applying mortar and a hardening delaying agent and then carrying out washing-out. CONSTITUTION:Single or two or more kinds of decoration aggregates are arranged in a desired shape on a plane. Then, a sheet is pressed, directing an adhesive applied surface onto the decoration aggregates. Then, water or solvent is applied onto the sheet, and said sheet is removed, and the decoration aggregates are exposed. Then, mortar is applied onto the decoration aggregates, and a cement hardening delaying agent is applied onto the mortar. Washing-out is carried out at a proper time through delaying the hardening of the surface layer, and the desired part of the decoration aggregates is exposed.

Description

[Detailed description of the invention] (Industrial application field) This invention relates to a method for exposing decorative aggregate.

(Prior Art) Exposing decorative aggregate has been widely used in the waist walls of houses. To expose the decorative aggregate, first select a relatively coarse decorative aggregate, knead it with mortar, apply the kneaded mixture to the wall surface, and when the mortar has partially hardened, pour water over the surface to remove the mortar. Wash off the surface layer with water,
The surface of the coarse decorative aggregate is made to protrude from the remaining mortar,
After that, a method was adopted in which the mortar was left to harden.

In addition, mortar is applied to the wall surface in advance, decorative aggregate is sprinkled on top of this, the decorative aggregate is pressed onto the mortar, and the decorative aggregate is embedded in the mortar and attached to the wall surface.
Another method is to apply mortar between or even above the decorative aggregate, apply a cement hardening retarder to the surface of the mortar, and then run water over the applied surface to wash away the unhardened mortar. Ta.

However, the methods used so far have had drawbacks.

The drawback is that in the former kneading method, a trowel is used to apply the kneaded material to the wall surface, so only small aggregates with a particle size of 10 decoys or less can be used.

In addition, the disadvantage is that the decorative aggregate is uniformly distributed throughout the
Therefore, the pattern becomes uniform as a whole. In other words, the disadvantage is that it is not possible to obtain a decorative wall in which the color and type of decorative aggregate differs locally, or the color of mortar differs locally. For this reason, the resulting decorative pattern has little variation, making it difficult to enhance its aesthetic value.

In addition, the latter method can partially change the color and type of the decorative aggregate, so it can bring about rough changes in makeup, but it has the disadvantage of not being able to express fine-grained changes in makeup. was there. Furthermore, the latter method also has the disadvantage that it is difficult to implement on vertically extending walls.

(Problems to be Solved by the Invention) This invention solves the above-mentioned drawbacks based on the conventional decorative aggregate exposure construction method, and makes it easy to create decorative walls with partially different types and colors of aggregate and cement. The purpose of the present invention is to provide a method for exposing decorative aggregates that can be obtained. In other words, the present invention does not require particularly sophisticated intuition or skill, and can be easily carried out by a person skilled in the art at once over a wide area, and where the condition of aggregate and cement differs in some parts. , provides a decorative aggregate exposure construction method that can be easily produced.

(Means for Solving the Problems) This invention first arranges decorative aggregates in a desired shape elsewhere and then pastes them onto a sheet, or arranges the decorative aggregates in a desired shape on a sheet coated with an adhesive. The decorative aggregate is arranged in a shape, pasted on a sheet, transported, pressed against the wall surface to be decorated, and then the sheet is peeled off.
The main idea is to apply mortar on top of the mortar, apply a cement hardening retardant over the mortar, and wash it off afterwards to expose the decorative aggregate.

That is, this invention arranges decorative aggregates in a desired shape and attaches them to a sheet with adhesive, carries the decorative aggregates together with the sheet to a wall surface, presses the decorative aggregates together with the sheet onto the wall surface, and attaches the decorative aggregates to the wall surface. Then, water or a solvent is applied over the sheet to dissolve the adhesive and the sheet is removed from the decorative aggregate, mortar is applied to the decorative aggregate surface, and then a cement hardening retarder is applied on top of the mortar, This is a decorative aggregate exposure method that is characterized by washing away uncured mortar by running water over the applied surface.

In this invention, decorative aggregates are first arranged in a desired shape on a plane. The decorative aggregate used here may be of a single type, but it is preferable to use two or more different types.

For example, by arranging particles of different colors and sizes and shapes on a flat surface, a desired pattern can be created. The planes on which they are arranged do not need to be strictly horizontal, but may be inclined as long as the aggregates do not fall.

In this invention, a sheet coated with an adhesive is used. The sheet is preferably one that is flexible and permeable to liquid, such as paper or cloth, but may also be a foamed plastic sheet. Kraft paper is suitable as the paper. As the adhesive, a water-soluble starch paste is preferred, but it is also possible to use one that is soluble in organic solvents, such as polyacetic acid vinyl.

In this invention, a sheet is pressed onto the arranged decorative aggregates with the adhesive coated side facing. Or, line up and press the decorative aggregates onto the adhesive-applied surface. The purpose of pressing is to adhere all the decorative aggregate onto the sheet. Since decorative aggregates come in various shapes and sizes, some decorative aggregates are difficult to contact with adhesives, so carefully press the sheet or decorative aggregate so that the sheet covers as much of the entire surface of the decorative aggregate as possible. Try to create a shape that matches the unevenness. After the decorative aggregate is bonded to the sheet, leave it for a while until the adhesive dries and the bond becomes strong. In this way, the decorative aggregate is used by being attached to the sheet.

In this invention, the decorative aggregate pasted on the sheet is transported to the wall surface together with the sheet. Mortar is applied to the walls. This mortar becomes the base mortar. This mortar can also be colored in advance to create patterns.

The thickness of the base mortar to be applied is determined by the size of the decorative aggregate, and should be thicker if the decorative aggregate is large. When the applied mortar is not sufficiently hardened, decorative aggregate is pressed together with the sheet onto the mortar surface. If the pressing force from above the sheet is strong enough, for example, by hitting it with a hammer, the tip of the aggregate will penetrate into the mortar and be fixed on the wall surface. After the entire aggregate has been deposited on the wall, the sheet is removed after the mortar has hardened further.

To remove the sheet from the aggregate, water or adhesive solvent is applied over the sheet. Water is used when the adhesive is starch paste or other water-soluble adhesive. A solvent is used when the adhesive is non-water soluble, and when the adhesive is polyvinyl acetate, for example, ethyl acetate, benzene, acetone, etc. are used as the solvent. The solvent is thus dissolved and the sheet is peeled off from the decorative aggregate. When a material such as expanded polystyrene is used as the sheet, even the sheet can be dissolved and removed with a solvent.

When the sheet is removed, decorative aggregate is exposed on the surface.

Mortar is then roughly applied over the exposed decorative aggregate. This is the top coat. The mortar applied as a top coat should be applied so that it penetrates between the decorative aggregates as much as possible. Among decorative aggregates, mortar may be applied to the parts of the decorative aggregate that are recessed deep when viewed from the surface to the extent that the surface is buried. On the other hand, for extremely large decorative aggregates, apply mortar so that the thickness of the mortar is the same as that of other parts. The mortar applied at this time is
The color can also be changed depending on where it is applied.

A cement hardening retarder is applied onto the mortar thus applied. Since the curing retarder is water-soluble, it is suitable to dissolve it in water to make an aqueous solution and spray this aqueous solution by spraying or the like. The sprayed curing retarder gradually penetrates into the mortar from the surface.

Therefore, the thickness of the mortar surface layer that is not hardened can be adjusted based on the time after application and the type and amount of the retarder used. In this way, by delaying the hardening of the surface layer, it is possible to perform washing out at an appropriate time and expose a desired portion of the decorative aggregate.

Cement set retarders are already known. For example, one commercially available from Fuoseco Japan Limited under the name Exbozaar can be used as is.

In this invention, washing can be performed using the conventional method as it is. That is, the surface is rubbed with a decking brush, brush, etc. while water is flowing over the surface, thereby washing away uncured mortar and exposing the decorative aggregate.

Various types of decorative aggregates can be used. That is, different types of aggregates, for example, various aggregates with different colors, specific gravity, particle sizes, etc., can be used. Not only that, but those aggregates can be arranged in any desired state.

(Effects of the Invention) According to the method of this invention, decorative aggregates are arranged in a desired shape and pasted on a sheet with adhesive, so decorative aggregates of a wide variety of shapes and sizes can be appropriately selected and used. The desired pattern can be created by placing the Also,
The aggregate pasted on the sheet in this way is carried together with the sheet to the wall surface, and the decorative aggregate is pressed and adhered to the wall surface together with the sheet, so that a desired pattern can be transferred onto the wall surface without any difficulty. In particular, if you apply mortar on the wall surface in advance and press the decorative aggregate on top of the mortar when it has an appropriate hardness, you can ensure that the aggregate remains in the same arrangement as it is on the wall surface. Can be moved. After that, water or adhesive solvent is applied to the top of the sheet, so
The adhesive can thereby be dissolved and the sheet can then be peeled away from the decorative aggregate to expose the decorative aggregate on the wall surface. Mortar is further applied to the exposed decorative aggregate surface, and then a cement hardening retardant is applied on top of the mortar, so the hardening retarder penetrates into the mortar and only the surface layer remains unhardened to an appropriate thickness. The state can be revealed. In this state, water is poured over the applied surface to wash away uncured mortar, so that the decorative aggregate that has adhered to the wall surface by pressure is supported by mortar of an appropriate thickness and firmly adheres to the wall surface. Become. Furthermore, by partially varying the color of the mortar applied to the aggregate, even more varied patterns can be created. Thus, according to the method of the present invention, various decorative aggregates can be easily exposed on the wall surface in an arbitrary arrangement, so there is an advantage that a beautiful pattern rich in variety can be displayed.

The details of the method of this invention will be explained below with reference to Examples.

Example Two different stones were used as decorative aggregates. That is, black Nachi stone with a grain size of 20 m and white white cobblestone with a grain size of 10 m were used. The former was densely scattered in a rectangular shape on a flat surface, and the latter was densely scattered on the rest of the surface. A piece of kraft paper coated with an aqueous polyvinyl alcohol solution was placed on top of it, and the kraft paper was well pressed against the decorative aggregate to adhere the decorative aggregate to the paper using the polyvinyl alcohol. In this way, a decorative aggregate adhesive sheet was made.

On the other hand, leveling mortar (1 part cement: 3 parts sand) was applied to the wall of the building.
), smooth the surface, and apply 5-6B on top of it.
Bregrout 6 mortar was applied evenly to the thickness using a comb trowel. The above-mentioned decorative aggregate adhesive sheet was pasted on top of this, and the kraft paper was hit with a piece of wood to plant the decorative aggregate into Bregrout 6 mortar.

The next day, water was poured onto the kraft paper to dissolve the vinyl alcohol, and the kraft paper was peeled off. Peeling was easy. Next, Pregraut 6 mortar was applied again onto the decorative aggregate, and the decorative aggregate was filled with Bregrout 6 mortar. After the mortar had hardened slightly, an aqueous hardening retardant solution (lilac color Plef, Exbozaar, manufactured by Fooseco Javan) was sprayed thereon at a rate of 233 cc/m'. Immediately thereafter, the surface was covered with a polyethylene film having a thickness of 0.6 mm, and the film was kept in close contact with the mortar. After being left in this state at 20° C. for 24 hours, the film was removed and the mortar surface was washed with water to wash away the mortar on the surface and expose the surface of the decorative aggregate.

In this way, black Nachi stones were scattered in a rectangle, and white cobblestones were scattered in the rest, creating a checkered pattern.
We were able to add a wall that clearly stands out and has a brotherly feel to it.

Patent applicant: Foseco Japan Limited Co., Ltd. Gitabe Hirabayashi

Claims (1)

[Claims] Decorative aggregates are arranged in a desired shape and pasted on a sheet with adhesive, the decorative aggregates are carried along with the sheet to a wall surface, and the decorative aggregates are pressed together with the sheet onto the wall surface to adhere.
Then, water or a solvent is applied over the sheet to dissolve the adhesive and the sheet is removed from the decorative aggregate, mortar is applied to the decorative aggregate surface, and then a cement hardening retarder is applied on top of the mortar, A method of exposing decorative aggregate, which is characterized by washing away uncured mortar by running water over the applied surface.