Treated wood is used forareas where the lumber will be susceptible to moisture, like uncovered areas outdoors. It is not for internal use. Moisture can cause serious issues to untreated wood, like warping.
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How is treated wood treated?
To pressure treat wood, the lumber is placed in large airtight chambers. A liquid preservative is introduced into the chamber and is forced into the cells of the wood under extremely high pressure. New methods of treating lumber call for fasteners that resist corrosion. Is Treated Wood Safe?
What is oil-borne treated lumber used for?
Oil-borne treated lumber is used for treating utility poles and cross arms. In pressure-treated wood, preservatives are infused into the wood, beyond just the surface.
What are the benefits of pressure-treated wood?
Benefits of Pressure-Treated Wood. The wood is placed in a depressurized holding tank that removes the air and replaces it with a preservative. The most important thing to understand about this pressure treatment is that the process is, by far, the best way to avoid harmful rot and insects, but does not prevent weathering and corrosion.
What are the active ingredients in treated wood?
Active Ingredients in Treated Wood: MCA, CA, ACQ, and CCA Another important acronym to pay attention to on a lumber label is the type of preservative that was used to treat the wood. To prepare it for harsh marine environments, wood is pressure treated with a combination of water and preservatives to keep pests away and slow the rate of decay.