Structural 1 Rated Sheathing: Roofing

Bending Strength & Stiffness for Structural 1 (11.9mm) Panel with Support Spacing ‘Roof-32’  

General info: Structural 1 indicates a performance-rated panel, with superior bending stiffness and strength
Bending strength – stress applied parallel: Factor of safety (F S) – 445 (lb-in²/ft of panel width) when stress applied parallel to strength axis. The strength axis is always parallel to the face and back orientation of the strands unless otherwise indicated
Bending strength – stress applied perpendicular: Factor of safety (F S) – 247.5 (lb-in²/ft of panel width) when stress applied perpendicular to strength axis
Bending stiffness – stress applied parallel: E I– 115,000 (lb-in²/ft of panel width) when stress applied parallel to strength axis. E I provides a measure of the resistance of the beam to bending. The larger the E I, the smaller the deflection
Bending stiffness – stress applied perpendicular: E I -40,000 when stress applied perpendicular to strength axis
Span rating/support spacing: Roof-32
Thickness/US Performance Category*: 11.9mm (min 11.12mm; max 12.7mm); (15/32)*

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