![]() ![]() Please contact your representative to determine quantities. Refer to appropriate sections of the Specifier Guide for installation guidelines and construction details.The subfloor must be glued as per APA Specification AFG-01 or ASTM D3498 and nailed as per NDS, ICC IBC/IRC code. and is a “24 oc APA rated panel” for joist’s spacing of 24″ o.c. The considered subfloor is a “20 oc APA rated panel” for joist’s spacing of 12″, 16″ and 19.2″ o.c.Listed are 46 tables based on common loading conditions for floor joists, ceiling joists and rafters. The indicated spans are based on the Allowable Stress Design method as per NDS, ICC IBC/IRC code. Simplified maximum span tables for selected visual and mechanical grades of Southern Pine lumber in sizes 2×4 thru 2×12.Live Load deflection is limited to L/480.In addition, the standard roof rafter spacing used in the roof framing includes 12, 16, 19.2, or. However, rafter spacing may also be calculated by a professional structural engineer. ![]()
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