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Deck Beam Sizer Mobile App

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Help Your Imagination Go Further

  • Eliminate unnecessary, view-obstructing columns with our FREE Parallam Plus PSL Deck Beam Sizer app.

To help deck builders, advanced do-it-yourselfers and building material dealers design strong, stable and safe decks, we developed Parallam® Plus Deck Beam Sizer app for iOS® and  Android mobile devices. In the field or in the office, in 60 seconds or less, the app provides an easy way to figure out the correct Parallam Plus PSL beam to build a deck.

With only three simple inputs the app quickly determines the correct beam size. It instantly emails you the proper supporting documentation for you to provide to the local building department, which can help approvals to finish the job.

For complex decks that require additional design assistance, the app connects you with Weyerhaeuser technical support with just a few clicks. The Parallam Plus Deck Beam Sizer is available for download from the App Store and Google Play.

Download from the App Store

deck beam sizer QR

Download from Google Play

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Use the Parallam Plus PSL deck beam sizer to:

  • Reduce the number of required support columns, retaining views and under-deck space without sacrificing safety or quality.
  • Help upgrade to the quality and performance of Parallam Plus PSL.
  • Save time by automatically generating calculations and International Building Code documentation right from your phone.

Customer testimonials:

★★★★★ Love it! by Duvaljr77USMC
Easy to use and fast! Great app from Weyerhaeuser. Keep them coming!

★★★★★ Top Notch by Kevin Slozak
Very intuitive App with high end outputs! Great tool that keeps leading the industry!

★★★★★ Engineered exterior beams – decks by Yes5575
This is an engineers dream. Specifies preservative treated engineered lumber beams with calculation sheets. Easy use, just follow the pics!!!

App Screenshots