Engineered for consistent performance, Weyerhaeuser's TimberStrand® Laminated Strand Lumber (LSL) starts straight and stays straight. It’s an innovative and versatile building product …

TimberStrand LSL studs and columns provide excellent value when used selectively in the framing zones of a house, where straight studs translate into flush walls. These zones include …

Parallam® PSL columns are strong and consistent. Our manufacturing process uses veneer strands, allowing a significant percentage of each log to become a high-grade structural …

Weyerhaeuser manufactures zinc borate treated TimberStrand® LSL sill plates, columns, and studs using our patented StrandGuard® TimberStrand® LSL process that provides protection …

Laminated Strand Lumber (LSL) • One-piece members reduce labor time • Every piece is straight and strong • Unique properties allow you to drill larger holes through 1.55E TimberStrand® …

Trus Joist® TimberStrand® laminated strand lumber (LSL) and Parallam® parallel strand lumber (PSL) can help you meet the requirements of these challenging designs. Weyerhaeuser also …

Trus Joist®TimberStrand®LSL, Microllam®LVL, and Parallam®PSL are structural solutions you can count on—guaranteed. The products in this guide are readily available through our …

Trus Joist® TimberStrand® LSL columns are strong and consistent. Combine their great load capacity with the strength of TimberStrand® LSL beams, and longer spans and open floor …

TimberStrand® LSL has a shear stress of 400 psi—up to 50% stronger than other common EWPs—making TimberStrand® LSL the right solution for the right job. Thanks to its …

TimberStrand ® LSL (Laminated Strand Lumber) is one of the most innovative and versatile wood building products available. TimberStrand ® LSL is manufactured using small strands from …