JPS6312965B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method of treating the foundation of a wooden building for termites in order to protect it from termite damage.

Traditionally, termite-proofing treatments for wooden buildings include methods such as spraying the soil on the subfloor surface with an anti-termite agent consisting of an oil, emulsion, or powder containing chlordane as its main ingredient, or applying it to wood on foundations, pillars, etc. It is.

In general, termites nest underground, and they always form an ant trail on the surface of the foundation of a building and climb up, reaching the foundations and pillars above and damaging the wood, so the above-mentioned soil spraying treatment method is considered the most effective. However, since the termite agent ``chlordane'' is an organic chlorine insecticide like ``Deildrin,'' whose use is currently prohibited, its handling is left to specialized contractors, and construction It is inconvenient for the work process, and water pollution caused by the above-mentioned anti-termite agents has become a pollution problem, and there is a desire to establish a new anti-termite treatment method that is more workable and safe.

In view of these circumstances, this invention was developed with consideration given to ease of construction, occupational hygiene, and safety, and is a foundation for a building constructed with the aim of reliably preventing termite damage over a long period of time. It provides construction methods.

Hereinafter, embodiments of the present invention will be described based on the drawings. An anti-termite sheet 1 used in this anti-termite foundation construction method
is formed by forming an uneven surface 3 on one side of a sheet-like material 2 made of a synthetic resin or rubber-like asphalt material mixed with an organochlorine-based, organophosphorus-based, carbamate-based or other contact-toxic termite control agent, The unevenness 3 may be formed by imparting unevenness to the sheet-like material itself, or may be, for example, attached integrally to the surface of the sheet-like material 2 so that the fibrous material 4 cannot be peeled off, and has an anchoring effect on concrete as described later. It is designed to be embedded without peeling off from the concrete surface. In addition, a release paper 5 may be attached to the other side of this anti-termite sheet if desired, so that the surface of the anti-termite sheet will be soiled by concrete slurry etc. during concrete pouring and after foundation formation, which will be described later. It may also be possible to prevent this from happening. If this release paper 5 is peeled off immediately before flooring work, the surface of the termite-proofing sheet will remain in the same state as when it was formed, and the highest termite-controlling effect can be expected.

The anti-termite sheet 1 having such a structure is placed on the inner surface of the formwork 6, 6 of a cloth foundation or an independent foundation, so that the surface on which the unevenness 3 is formed is exposed, that is, the three unevenness surfaces are exposed on the concrete pouring surface side. After installing it in the following manner and temporarily fixing it with adhesive tape 7, etc., concrete 8
is poured into the formworks 6, 6. The formwork is then removed after the concrete has hardened. At this time, the anti-termite sheet 1 is left on the side surface of the concrete without peeling off because the aforementioned unevenness 3 is embedded in the concrete and exhibits an anchoring effect, and a cloth foundation or an independent foundation 9 is completed. 10 is the foundation.

Since termites dislike light, termite-proof sheets can be installed around the sides of the foundation inside the building.

As explained above, according to the anti-termite foundation construction method of the present invention, an anti-termite sheet is temporarily fixed to the inner surface of the formwork for forming the foundation, and the foundation is treated for termite prevention by pouring concrete. It has the feature that it is extremely easy to install, and since this termite control sheet contains the termite control agent mentioned above, the termite control agent does not leak out to the outside. Anyone can now handle it, there are no operational restrictions, ease of construction,
It is ideal as a building material in terms of occupational health.

In addition, in such termite-proof foundations, the sides of the foundation are covered with termite-proof sheets, so termites are unable to come into contact with this and form termite trails due to their repellent action, and this ensures that termites do not rise. This makes it possible to prevent ants and maintain the anti-termite effect for a long period of time.

[Brief explanation of the drawing]

FIG. 1 is an enlarged cross-sectional view of a part of the termite-proof sheet used in the termite-proof foundation construction method of the present invention, and FIG. 2 is a cross-sectional view of the termite-proof sheet temporarily fixed to the inner surface of the foundation forming form. FIG. 3 is a sectional view of concrete poured into the foundation forming form, and FIG. 4 is a sectional view of the finished foundation. 1...Anti-termite sheet, 2...Sheet-like material, 3...
Unevenness, 6...Formwork, 8...Concrete, 9...
Basics, 10...Foundation.

Claims (1)

[Claims] 1. An anti-termite sheet made of a sheet made of synthetic resin or rubber-like asphalt material mixed with a termite-controlling agent, with unevenness on one side, is placed inside the formwork that forms the fabric foundation or independent foundation of a building. After exposing the uneven surface and temporarily fixing it on the side surface, concrete is poured into the formwork, and when the formwork is removed after the concrete has hardened, the termite prevention sheet is left on the side surface of the concrete. An anti-termite foundation construction method characterized by forming a cloth foundation or an independent foundation.