Treated wood and wood preservatives.
Three types of wood preservatives.
These wood preservatives have lower toxicity profiles when compared to older wood preservatives.
There are three principal varieties of wood preservatives available at the moment and they are.
Water borne preservatives oil borne preservatives and light organic solvent preservatives.
Types of wood preservatives copper naphthenate copper naphthenate is effective when used in ground contact water contact or aboveground.
Thermal process treatment consists of immersing wood alternately in separate tanks containing heated and cold preservative either oil or waterborne or in one tank which is first heated than allowed to cool.
Treating wood with pesticides can prevent wood from rotting as quickly.
Each has distinct advantages and drawbacks and each should be used in specific though occasionally overlapping circumstances.
The following chemical wood preservatives are registered for treatment of lumber to be used in the residential.
As required under section 3 g of fifra these newer wood preservatives will be re evaluated through epa s registration review process.
I the oil soluble salts such compounds are soluble only in oils.
It is not standard ized for use in saltwater applications.
It has been used as a wood preservative pesticide since the 1940s.
Insects and mold can damage wood over time.
The most commonly used wood preservative coal.
Chromate copper arsenate cca is a pesticide containing chromium copper and arsenic that protects wood against termites fungi and other pests that can degrade or threaten the integrity of wood products.
All the wood preserving chemicals are classed under three groups.
A preservative is defined as a chemical compound that when used on or injected into the timber makes the timber poisonous for insects and fungi without effecting the structural properties of wood and timber.
Awpa treatments are a safe and proven means to preserve and protect outdoor wood from decay and termite attack.
Pressure treated wood is the application of a preservative formulat ion that is forced into the wood under pressure in a large cylinder.
Treated wood is commonly used to build telephone poles road signs and marine pilings as well as decks play structures and raised garden beds.