Métodos de preservação da madeira e seus preservativos

Abstract

The wood preservation abject increase the pieces resistance, prolonging the util life against xylophagous organisms and werther clime events. To have this protection, are certain procedures and treatments for preservation. The wood preservation procedures are divided into two types: non-industrial processes which can be made by small farmers, under of a professional supervision, the wood preservation is made in a small-scale production to domestic consumption on property; the industrial methods are made on factories plants that produce wood preserved on large-scale. In the autoclave, vacuum and pressure are used, the industrial processes are subdivided into full-cell processes (initial vacuum) and empty cell (without initial vacuum). The species choice, the purpose of use and wood amount can indicate the most appropriate methodology to be used for treatment and the preservatives to be used. This work based on a literature review on the subject wood preservation. Which review consists of the wood preservation history, wood preservative history, since when use began, what were the first treatments types, settings and definitions of wood biodeterioration agents. Also be covered the procedures and preservation treatments and their uses and application into wood and its main water-soluble and oil-soluble preservatives. The search was conducted through articles, handouts teaching area, forestal brochures, technical books, wood preservation websites, class notes and newsletters. The study objetive, was to collect more information about wood preservation, and its procedures, with content from trusted sources, for the best quality possible consultation on the above subject.