What does Wolmanized wood mean?

Just so, is Wolmanized wood the same as pressure treated?

1 Answer. Wolmanized wood is a subsection of pressure treated wood. There are many different processes that fall in the preserved wood category and Wolmanized wood used a copper azole process. It is manufactured by Arch wood products.

Also, what does pretreated wood mean? Pressure-treated wood is wood that has been infused with chemical preservatives to protect the wood from rot and insects. The wood is placed in a depressurized holding tank that removes the air and replaces it with a preservative.

Then, is Wolmanized wood safe?

Wolmanized wood has a history of 60 years of safe use. Most concerns about treated wood arise from confusion between the preservative and the preservative-treated wood. The agency recommended only modest precautions, nearly all of which also apply to untreated wood.

Are there different grades of treated lumber?

Pressure treated lumber grades. Most treated lumber does not come in different grades, the exception being plywood, which will come in both ACX and CDX grades. Virtually all treated lumber is considered for construction only – those grades do not take appearance into consideration.