The Better Timber Choice
Rosboro KD (Kiln-Dried) Timbers deliver high performance, sustainability, and reliability. Engineered for today’s structural demands while protecting tomorrow’s forests.
Engineered, Kiln-Dried, and Precision-Manufactured. Each piece is graded and assigned the same structural design values as Solid sawn timbers.
Direct Substitute for solid-sawn timber without Re-Engineering.
• Straighter, lighter, and more stable
• Easier to handle and install
• More consistent and reliable
• More sustainable
Future of Timber Construction. S4S, square- edge, PLIB-Certified, double- end trimmed, sealed, and protected for delivery for immediate shipment to the job site.
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 |