Three Types Of Wood Preservatives

Common treated wood preservative protection categories marine organisms dock pier pilings fire retardant treated wood frtw.
Three types of wood preservatives. The most common varieties of oil borne preservatives include creosote and pentachlorophenol. Water borne preservatives are included in specifications for items such as lumber timber posts building foundations poles and pilings. Water borne preservatives oil borne preservatives and light organic solvent preservatives. These wood preservatives are.
The method of treating wood involves placing timber in a sealed chamber and applying a vacuum to remove air and moisture. Types of wood preservatives developed was the copper azole type a cba a which contains 49 percent copper 49 percent boric acid and 2 percent tebuconazole. Each has distinct advantages and drawbacks and each should be used in specific though occasionally overlapping circumstances. Chromated arsenicals contains copper and some combination of chromium and or arsenic.
The copper azole type b ca b formula tion was standardized recently. There are three principal varieties of wood preservatives available at the moment and they are. Ammoniacal copper zinc arsenate acza 3 types of chromated copper arsenate cca and others.