Resources


Frequently Asked Questions
A listing of the United States Environmental Protection Agency's (US EPA) approved uses for CCA, and recommended uses for our Wolman E®, or Copper Azole (CA-C), treated residential lumber.
A listing of the United States Environmental Protection Agency's (US EPA) approved uses for CCA, and recommended uses for our Wolman E®, or Copper Azole (CA-C), treated residential lumber.