Method of creating a barrier to wood materials and wooden...

Details Method of creating a barrier to wood materials and wooden... Method of creating a barrier to wood materials and wooden...

B - Operations, Transporting

27

K

B27K 5/00 (2006.01) A01N 25/04 (2006.01) A01N 25/16 (2006.01) A01N 29/08 (2006.01) B05D 7/00 (2006.01) B05D 7/06 (2006.01) B05D 7/08 (2006.01) B05D 7/24 (2006.01) B27K 3/14 (2006.01) C09D 131/04 (2006.01)

Patent

CA 2256575

A method for creating a barrier to protect wood materials for house construction or wooden structures such as houses from humidity, moisture and/or biological attacks, such as wood decaying fungi and termites, is disclosed. The method is to treat wood itself or, preferably, the ground surface under the floor with a liquid containing a synthetic resin emulsion and an anti-fungal and wood-preservative agent and/or a pesticide such as termite-controlling agent, and further, a foaming agent. The barrier contains a selected copolymer of vinyl acetate and a polyurethane polymer.

Cette invention se rapporte à un procédé servant à créer une barrière pour protéger les matériaux en bois ou les structures en bois utilisés dans la construction contre l'humidité et/ou les attaques biologiques, par exemple par les termites et les champignons responsables de la pourriture du bois. Ce procédé consiste à traiter le bois lui-même ou, de préférence, la surface de sol située sous le plancher avec un liquide contenant une émulsion de résine synthétique et un agent antifongique et de conservation du bois et/ou un pesticide, tel qu'un agent de destruction des termites, et en outre un agent moussant. La barrière ainsi créée contient un copolymère choisi d'acétate de vinyle et un polymère de polyuréthanne.

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