Welcome to Weyerhaeuser's new website!

You appear to be using an older browser. This website is best viewed using the latest versions of Internet Explorer, Chrome, Safari, and Firefox. If you proceed without upgrading or switching browsers, you may not experience optimal navigation or page functionality. Thank you for your interest in Weyerhaeuser and we hope you enjoy your visit.

Update my browser now


Parallam® Plus Deck Beam Sizer App

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 the Parallam® Plus Deck Beam Sizer app for mobile devices. In the field or in the office, in 60 seconds or less, the app provides an easy way to determine the correct Parallam Plus PSL beam for a deck. 

download our app




App Features

  • Determine correct beam size with three simple inputs
  • Email proper documentation for use with the local building department to expedite approvals to finish the job
  • Connect with Weyerhaeuser technical support in just a few clicks for more complex decks

APP Screenshots

Questions about software?

Contact Software Support


Using our software and need training?

Build your success with

Weyerhaeuser Learning

Need a repair or sizing help?

Visit Technical Support