PSL: High-Strength Engineered Beams for Long-Span Applications

"PSL vs. LVL & LSL: Comparative Performance in Residential & Commercial Construction"

"Design Values and Allowable Stresses of PSL Parallel Strand Lumber"

Description

PLS Parameter Description
Bending Strength High bending strength suitable for PLS long-span beams and headers [^11^][^18^]
Modulus of Elasticity (MOE) High PLS stiffness due to parallel strand alignment (exact value not listed) [^11^]
PLS Compressive Strength Excellent performance under compression loads [^18^]
PLS Dimensional Stability Manufactured at 11% moisture content; resists warping, cupping, bowing [^11^]
PLS Moisture Resistance Good resistance to moisture and decay; can be pressure-treated [^11^][^12^]
PLS Strand Length-to-Thickness Ratio ~300:1, longer than LSL/OSL, enhancing strength [^11^]
PLS Adhesive Type Phenol-formaldehyde, waterproof and exterior-grade [^11^][^12^]
PLS Standard Sizes Thicknesses: 68–178 mm; Depths: up to 457 mm; Lengths: up to 20 m [^11^]