Treated Parallam Plus PSL is only available in the Eastern US. Contact us for more information on availability.

Use the drop downs to select your spans and loads to calculate the appropriate size of Treated Parallam Plus beams and columns.

Deck beam and column rendering

Calculator is for use in U.S. applications only. For Canada switch to Canada Sizing Table Lookup.


Use ForteWEB™ to determine solutions for conditions beyond the scope of this table.