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 member. Combine their great load capacity with the strength of …

Parallam ® PSL (Parallel Strand Lumber) is the strongest of Weyerhaeuser’s engineered wood products and a great choice for applications that demand high load capacity. Parallam ® PSL is made by laminating strands of veneer together to form large billets.

Parallam® Plus PSL is suitable for applications that are exposed directly to weather and water—such as decks, pavilions, and pool enclosures—and direct ground contact applications like deck posts. Column members can even be used in saltwater splash applications.

Parallam® Plus PSL is suitable for applications that are exposed directly to weather and water—such as decks, pavilions, and pool enclosures—and direct ground contact applications like deck posts. Column members can even be used in saltwater splash applications.

Parallam PSL beams and columns can be stained or finished for a handsome look in exposed applications. Dimensions: 5-1/4″ x 5-1/4″ x 10’. In stock and ready for local delivery or in store pickup.

Treated Parallam® Plus PSL is perfect for framing decks, retaining walls, carports, pool enclosures, among other structural framing applications where the wood comes in direct contact with the ground or moisture. For sizing use our Treated Parallam Plus PSL Deck Beam and Column Calculator.

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 floor plans.

Parallam® Plus PSL is suitable for applications that are exposed directly to weather and water—such as decks, pavilions, and pool enclosures—and direct ground contact applications like deck posts. Column members can even be used in saltwater splash applications.

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 support heavy loads, whether inside or out in the elements.

Use beams, headers, and columns made from Parallam PSL, and you open up a whole new world of design options for the interior of a home. Parallam PSL has been engineered to support heavy loads and span long distances.