Fiberstrong^® RIM board

Fiberstrong rim board has been tested and approved as a rim board and starter joist by APA-EWS. Stocking 1 1/8" thick x 12′ long pieces, in 9 1/2" & 11 7/8" depths. Fiberstrong board is not recommended as a structural joist, rafter, header or ledger. For such applications, use Wood I Beam joists or GP Lam^® LVL.

All Wood I Beam® joists and GP Lam® LVL are backed by a lifetime limited warranty. Click here for GP Engineered Wood Installation Guide.