Pressure treating is a preservative process that helps wood withstand the elements and wards off termites, microorganisms and fungal decay. The most common chemicals used to treat wood are Alkaline Copper Quaternary (ACQ), Copper Azole (CA), and Micronized Copper Azole (MCA).
copper, and arsenic. Wood treated with CCA, com- monly called â€œgreen–treatedâ€ wood, dominated the residential market for several decades and was sold at.
But then word started seeping out that those CCA chemicals weren't so perfectly bound up after all, that some of them, in fact, migrated from the wood into the .
The chemicals in treated wood are generally not good for humans. This is why you see warnings advising you to wear gloves, avoid breathing the sawdust, and
Some frequently asked questions about pressure treated lumber:. Pressure treated lumber products, such as YellaWoodÂ® brand products, are treated in a .
Some of these chemicals may be harmful to people and the environment.. Chromated Copper arsenate (CCA) was a major source of treated wood since the .
likely constructed with wood pressure–treated with. Chromated Copper Arsenate (
While older pressure–treated wood must be periodically treated with a sealant to lock in the dangerous arsenic chemicals, newer pressure-treated must also be .