NRCA Special Report "Use of treated wood in roof assemblies" American Wood Preservers Association AWPA and the Transition from CCA to Alternative Preservatives and Fastener Corrosion Western Wood Preservers Institute www.wwpinstitute.org Southern Pine Council Advisory on Fasteners and Connectors for Treated Wood Chemical Specialties Inc. www.treatedwood.com Simpson Strong-Tie Preservative Treated Wood