Prescriptive Method for Structural Insulated Panels (SIPs) in Construction

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Lumber

Prescriptive Method for Structural Insulated Panels (SIPs) in Construction Lumber

Lumber framing material used for SIPs prescribed in the Prescriptive Method shall be No. 2 Spruce-pine-fir (SPF) or equivalent. The use of wood species/grades that meet or exceed the mechanical properties and specific gravity of No. 2 SPF shall be permitted.

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