Three Types Of Wood Preservatives

The most common varieties of oil borne preservatives include creosote and pentachlorophenol.

Three types of wood preservatives.

Common treated wood preservative protection categories marine organisms dock pier pilings fire retardant treated wood frtw. Water borne preservatives oil borne preservatives and light organic solvent preservatives. 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. Examples include acid copper chromate acc.

Chromated arsenicals contains copper and some combination of chromium and or arsenic. The method of treating wood involves placing timber in a sealed chamber and applying a vacuum to remove air and moisture. Creosote have been historically used as a treatment for outdoor wood structures to prevent rot such as railroad ties and bridgework. Each has distinct advantages and drawbacks and each should be used in specific though occasionally overlapping circumstances.

The copper azole type b ca b formula tion was standardized recently. Ammoniacal copper zinc arsenate acza 3 types of chromated copper arsenate cca and others. There are three principal varieties of wood preservatives available at the moment and they are.