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  1. Parallam® PSL Beams - Weyerhaeuser

  2. Treated Parallam® Plus PSL - Weyerhaeuser

  3. LSL vs. LVL vs. PSL vs. Glulam: Composite Lumber | SFS USA - SFS …

  4. Parallam® PSL – Trus Joist Technical Support

  5. 5-1/4" Parallam® PSL Beams (Per Foot) — Griff Building Supplies

  6. Parallel-strand lumber - Wikipedia

  7. Parallam® PSL - Weyerhaeuser

  8. 5-1/4″ x 5-1/4″ x 10’ PSL Parallam 1.8E - schillings.com