How to Support Customer Projects with Trus Joist® Parallam® PSL

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See How Parallam PSL Can Help Your Business

From welcoming great rooms to expansive window walls, home buyers continue to crave open floor plans flooded with light and views. Beams, headers, and columns made from Trus Joist Parallam Parallel Strand Lumber (PSL) can help builders achieve those design goals. Parallam PSL is engineered to support heavy loads and span long distances. See how Parallam can make a difference for your customers and their customers.


Open floor plans are a must for today’s home buyers. See how to achieve those design goals by leveraging Trus Joist® Parallam® PSL for heavy loads and long spans.

Trus Joist® Parallam® PSL vs. LVL

As architects and builders look for the best ways to achieve long spans for open floor plans, they may consider both Trus Joist Parallam Parallel Strand Lumber (PSL) and laminated veneer lumber (LVL). Which is the best option?

LVL is versatile for supporting heavy loads, ideal for spanning window openings and garage headers, among others. LVL comes in a 1-3/4″ width for lighter multi-ply installation, which makes it a great choice for renovations where installation can be tricky. However, LVL does require detailed connections to create multi-ply members, and it needs frequent top edge bracing for lateral stability.

Parallam PSL offers simplified, single-member installation. It is available in multiple widths—3 1/2″, 5 1/4″, 7″—adding up to a 2-, 3-, or 4-ply LVL in a single piece. Parallam PSL uses more of the tree compared to LVL. Also, Parallam Plus is a treated option for exterior applications. Check out how a great room can be even greater.


Support at Each Step

LBM dealers selling Trus Joist Parallam PSL have a handful of tools at their disposal to assist with designing and selling, including:

Weyerhaeuser’s Territory Managers and Dealer Sales Representatives are a dealer’s most valuable resources. Locally based and readily available, Weyerhaeuser representatives call on builders, architects, and dealers to provide product knowledge, sizing calculations, and other design and sales support.

ForteWEB™ Software by Weyerhaeuser is a free software program for sizing joists, beams, posts, and studs, helping you provide value-added services for customers. The program performs member calculations and identifies solutions for the conditions and geometry you specify. Use it to size members for a specific spacing, depth, or economical fit.

Weyerhaeuser now offers online calculators for sizing Trus Joist LVL and Parallam PSL beams and headers. Find them here.

Weyerhaeuser Distribution is committed to delivering the reliable, consistent products you can rely on. Connect with your Weyerhaeuser representative today about our extensive portfolio of building solutions available in your market.

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