Use beams, headers, and columns made from Weyerhaeuser's Parallam PSL and open up a whole new world of design options for the interior of a home. Create long, clear spans and …

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 …

Parallam® Plus PSL may be used for interior, dry or damp, aboveground applications (AWPA UC1 and AWPA UC2) to help protect against wood-destroying insects. Parallam® Plus PSL is …

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

Many of today’s homes have design requirements — such as walls over 10 feet tall — that exceed the code provisions for conventional construction. Trus Joist® TimberStrand® laminated …

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 …

Using studs, sill plates and headers made from TimberStrand LSL, you can build walls that are tall, strong, stable and straight. Available in lengths up to 30 feet. TimberStrand LSL studs and …

® PSL you get columns that resist shrinking and twisting and extra-long studs straight as a chalk line. • Starts straight and stays straight • Includes a limited Product Warranty for the life of the …

PSL, also called parallam, is made from veneers positioned into parallel strands connected with specialized adhesive, not unlike LVL. Notably, PSL is available in a wide range of wood grains …