Encyclopedia & FAQ's

DIY Frequently Asked Questions / Western Lumber


  • DIY Frequently Asked Questions / Western Lumber')"> Known for its ease of workmanship and nailing as well as strength and dimensional stability.
  • Western lumber includes more than 15 commercially important Western softwood species.
  • Most common species are Douglas fir and Hem-fir.
  • Can be classified as High Quality Appearance, General Purpose Board or Radius-Edged Patio Decking Grade.
  • The Western Wood Products Association (WWPA) has a rigorous inspection and quality control process. Lumber with the WWPA logo indicates the lumber has passed that quality control process.
  • Lumber with only the “WWPA Rules” stamp indicates the lumber has been graded according to the WWPA rules, but not been inspected by WWPA.