Engineered Wood Joists - Blog

This blog is the ongoing story of open joist TRIFORCE® and we'd like to invite you to be a part of it!

The TRIFORCE® blog is all about sharing our passion for building, either through our bloggers’ opinions on the market or on technical matters related to wood building. Through these articles, case studies and stories, we hope you'll learn more about the open joist TRIFORCE®.

The TRIFORCE® blog is a forum for ideas and opinions and, by all means, we invite you to share your experiences in the response section. If the blog inspires you to seek actual technical advice suited to your circumstances, please don't hesitate to reach out to us for a more in-depth conversation. We'll be happy to help.

The designer and/or general contractor of the project or building must ensure the accuracy of the technical information discussed in this blog over the years and always rely on the most up-to-date product’s requirements, specifications and installation guidelines available online on this website, and the applicable codes and standards.


To Trim or Not to Trim

“Why should I use a floor joist that is trimmable when I can install a made-to-length truss immediately?” Because it’s not a perfect world! Just ask the framer who, after finishing his morning coffee, opens the bundle of trusses, hoists the first one onto the foundation and...
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Strongbacks Attack Transient Oscillations!

Science fiction title? How about the technical description of how strongback bridging works. Transient oscillations don’t represent the serious danger that hostile extraterrestrials might pose, but they do result in discomfort and uneasy feelings in humans. Transient oscillations are vibrations in a floor system, caused...
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TRIFORCE® demonstrates outstanding fire performance

Code Requirements

Introduced in the 2012 International Residential Code and continued in the 2015 Code version, Sections R501.3 (2012) and R302.13 (2015) specify special fire protection of floor systems when sprinklers are absent.  This protection consists of a gypsum wall-board, wood structural panel or equivalent installed...
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TRIFORCE® and Wood I Joists: How Do They Compare?

A hallmark of engineered joists is their use of geometry to maximize structural capacity. The two most common geometric shapes configuring successful engineered floor framing components are the triangle and the “I”. History sings praises of the “I” shape. It recognizes the strength it gave to...
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