Glulam Rim in Fire Rated Walls & Floors
Rosboro X-RIM FRT Fire Retardant Treated

X-Rim FRT™ Glulam Rim Board

The ONLY UL Certified and Dual Warranted FRT Glulam Rim Board on the market today. Utilizing the same Hoover Pyroguard treatment technology as other common wood products allows you to install with confidence in all Exterior Wall applications where FRT wood is required.

  • Widths: 3½” and 5½”
  • Depths: 9½”, 11⅞”, 14”, 16”, 18”
  • Zero camber so it installs flat in the floor systems
  • Fits flush with 2×4 and 2×6 framing with depths that match EWP and conventional framing systems
  • Available in manageable from 16′ to 20′ with both ends square cut and sealed
  • Compatible with ICC TYpe III Construction

X-Rim FRT Design Value Table

Rosboro X-Rim FRT Header Design Values

Product Bending Fb (psi)2 Comp Perp to Grain Fc⊥ (psi) Shear MOE (106 psi)
Fv (psi)3 Design
X-Rim FRT 1520 560 265 1.53

Rosboro X-Rim FRT Rim Design Values

Product Thickness (in.) Horizontal Load Transfer Capacityb,c Vertical Load Capacityd Z
Uniform (lbf/ft) Concentrated (lbf)
(lbf/ft) Depth (d) Limitation (in.) (lbf)
Nails at 6 inches o.c. d ≤ 18 d ≤ 18 d ≤ 24
X-Rim 3.5 300 6500 7,000 410
X-Rim 5.5 300 8500 9,000 410

P.O. Box 20

2509 Main Street

Springfield, OR 97477

Corporate Office: (541) 746-8411

Sales & Customer Service: (877) 457-4139