It is used to impregnate timber and other wood products, especially those intended for outdoor use, in order to protect them from attack by microbes and insects. This includes wood that will be in contact with water or immersed in (including saltwater), soil, concrete or masonry, subject to periodic wetting, or exposed to moisture or high humidity. Penta, Copper Naphthenate, Creosote and DCOI are oil-type preservatives and are carried into the wood via petroleum products. Product Overview Designed for use above groun below ground and below the water line, the Copper-Green Gal. The heavy-duty, solvent-based preservative protects new wood and highlights the weathering process and prevents future damage for old wood.
It is widely used throughout the United States and Canada. Water-based preservatives like copper azole leave wood with a clean, paintable surface after they dry. The purpose of the first three chemicals is to prolong the useful life of wood products by protecting them against insect and fungal attack. Hoover follows up the treating process with an optional kiln drying process to gently remove the moisture added during treatment. Prevents mol mildew and other fungi attack and dimensional change caused by water absorption.
Most treated wood is pressure-treate but wood can also be surface coated. Description of Process 5. It is applied to wood via pressure treatment and is one of the most effective preservatives available for protecting timber against termites and fungal decay. Due to its toxicity, uses of PCP-treated wood are now restricted to commercial and industrial applications. Limited to use category 3B only Retention for heartwood species is 0. Preservative Treatments. SAFETY DATA SHEET 1. Environmental Protection Agency (EPA) announced a voluntary phase-out by industry of most residential uses of this arsenic-based wood preservative.
Winandy Research Forest Products Technologist R Sidney Boone Research Forest Products Technologist Lee R. Gjovik Research Foret Products Technologist Pamela L. Use the Copper-Green gal. This wood preservative is oil-based and turns surfaces dark brown. One container can be used to cover an area up to 1sq. CCA ) preservative. This makes the wood have a slight green color, a common sight on outside fences, decking material and power poles.
The formulation renders wood useless as a food substance for termites and fungi while keeping the wood attractive, clean, odorless, and non-staining. As a matter of fact, it is almost impossible to tell that the wood has even been treated when finished. Creosote improves the weathering characteristics of wood , provides protection from insects and fungi, and promotes insolubility in water. Retention of chromated copper arsenate preservatives is expressed as lb. Residential Outdoor wood works like traditional treated wood , but the preservatives used are different.
Copper, derived from recycled sources, is the principal active ingredient, protecting against termites and fungal decay. Chromated Copper Arsenate is used in a wide variety of wood products such as: Poles, posts, piles, timbers and plywood. Selecting appropriate fasteners when using preservative -treated wood is complicated by the variety of available preservative treatments that can be corrosive to metal fasteners.
Many preservative systems are used by preservative -treated wood manufacturers in the U. The recipe for this amount of chromated copper arsenate calls for 1. Copper Chromate (CC) wood preservative developed by the Celcure Company. AWPA P- Standard for Inorganic Boron (SBX). Copper Care is an industry leading manufacturer of metallic copper based wood preservatives , including Cu-Bor, Tenino Copper Naphthenate, and Cu-Nap Concentrate. AWPA treatments are a safe and proven means to preserve and protect outdoor wood from decay and termite attack.
The American Wood Protection Association ( AWPA ) is a non-profit organization which promulgates voluntary wood preservation standards.
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