This past year the wood preserving industry took a bold stance on quality when the American Wood Protection Association (AWPA) voted to require higher amounts of preservative for wood used in many applications. The AWPA, an organization comprised of individuals from all facets of the wood protection industry that sets standards for wood preservation and treated wood, updated its standards to require wood treated to Ground Contact retentions be used in many physically above-ground applications, including when:
  • soil or other debris may build up and stay in contact with the wood
  • insufficient ventilation does not allow air circulation around wood
  • material is installed <6 inches above the ground on permeable building materials