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  1. Trus Joist Technical Support
  2. Product Information and Binders
  3. Engineered Lumber Products Basics

Engineered Lumber Products Basics

Information about Weyerhaeuser Structural Composite Lumber (SCL) products including Microllam® LVL, Parallam® PSL, and TimberStrand® LSL.

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  • Architectural Specifications
  • ELP Self-Weight
  • Code Reports
  • Product Information & Literature
  • TJI® Joists
  • Microllam® LVL
  • Parallam® PSL
  • Parallam® Plus PSL (Not available in Western US)
  • TimberStrand® LSL

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