trusjoist

Why TJI® Joist Specification Belongs in the Permit Documents

Don’t defer what can be defined during design. TJI® joists should be fully specified in the construction documents at permit submittal rather than treated as deferred submittals or delegated design items. Unlike job-specific structural systems, such as metal plate connected wood trusses, TJI® joists have published, code-evaluated design properties and do not require project-specific product engineering by the manufacturer or supplier. Deferring TJI® joist design can shift key coordination decisions into bidding and construction phases, creating unnecessary or inaccurate assumptions, requests for information, approval delays and added construction costs. ... Read More
August 25, 2026

Preservative Treated Engineered Wood Products

When it comes to building durable, weather-resistant outdoor structures like decks, choosing the right wood product is critical. With designs pushing the span capabilities of traditional preservative treated sawn lumber, one may look to preservative treated engineered wood products (EWP) for a solution. ... Read More
February 24, 2026

How to Easily Calculate Allowable Deflection

Calculating how much a member will deflect and if that member meets the code minimums is a complicated engineering process. ForteWEB(R), our member sizing software solution, can help simplify this process without the use of beam deflection formulas. But first, what is deflection? ... Read More
September 1, 2022

New document library mobile app available

Now with the newly redesigned app you can sync your account from our document library at Weyerhaeuser.com with your mobile device to access your binders from anywhere. ... Read More
November 27, 2017

Construction of the Wood Innovation and Design Centre

The University of Northern British Columbia is home to the new Wood Innovation and Design Centre. ... Read More
May 6, 2014