Add strength and reliability to your structure when you use Parallam® PSL beams. The superior strength of Parallam® PSL makes longer spans possible, giving you more design options with open, spacious …

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 and is …

Parallam® Plus PSL that is intended for beam and header applications is treated with copper azole at a retention level that eliminates the need to use stainless steel connectors and fasteners in most …

Parallel-strand lumber (PSL) is a form of engineered wood made from parallel wood strands bonded together with adhesive. It is used for beams, headers, columns, and posts, among other uses.

Parallam® PSL Create long, clear spans and support heavy loads, whether inside or out in the elements.

For deeper depth Parallam® PSL beams, see the Trus Joist® 2.2E Parallam® PSL Deep Beam guide, TJ-7001, or contact your Weyerhaeuser representative. Some sizes may not be available in your …

Parallam® PSL Beams are strong, beautiful, and can help turn open floor plans into reality. They are made using long thin strands of wood and a super strong adhesive glue to give you perfectly …

Use beams, headers, and columns made from Parallam PSL and open up a whole new world of design options for the interior of a home. Create long, clear spans and support heavy loads, whether inside …

Aug 12, 2025 · Understanding PSL beam sizes is essential for structural engineers and builders alike. These beams, also known as parallel strand lumber, offer significant strength and are crucial …

High-strength 2.2E Parallam® PSL engineered wood beams deliver the support you need, and they resist bowing, twisting, and shrinking—both before and after installation.