CCA Treating Home » CCA Treating Services CCA Treating Kiln Drying & Remanufacturing Wholesale Lumber & Plywood CCA Treating services offered: Agricultural Timbers, Posts, and Poles Cedar Shakes and Shingles Plywood and Rainscreen Strips Industrial Uses (Highway, Commercial) We use Wolmanac CCA preservative for our quality treating services. For more information https://www.wolmanizedwood.com/home/products/canadian-products/canadian-products-english/wolmanac-cca-cnen/ Safety Data Sheet Warranty Request Form