T G Floor Decking Span Table

Roof rafter span use this table to determine the maximum lengths of roof rafters based on species and grade of lumber spacing dimensions load and slope.

T g floor decking span table. Tables 2a through 2c apply to apa rated osb sheathing apa rated osb structural i sheathing and apa rated osb sturd i floor. Dimensional lumber deck beam span chart. Support spacing 6 ft three inch decking not less than 40 to be 14 ft. Not less than 25 to be 16 and longer with at least 20 equal to or greater in length than the maximum span as provided by the customer not less than 50 to be 15 and longer not more than 10 to be 5 to 10 not more than 1 to be 4 to 5 decking may be installed in any of the following patterns.

Section r507 5 notes that deck joists can cantilever up to 1 4 of the joist span. Minimum length is limited to 75 of the span length i e for 8 ft. Standard structural decking patterns are 2 nominal tongued and grooved t g and 3 and 4 double t g products available with vee or eased edges to meet discriminating architectural requirements. Table 1d applies to apa rated plywood structural i sturd i floor.

T e c h n i c a l n o t e load span tables for apa structural use panels number q225g february 2011. Floor joist span use this table to determine the maximum lengths of floor joists based on species of lumber joist spacing and joist size. A double 2x12 beam can span 12 feet. Not more than 1 to be 4 to 5 ft.

And longer not more than 10 to be less than 10 ft. Steel post cap connectors plywood post to beam cleats other connectors deck porch railings code requirements safety deck framing tables codes specifications questions answers about allowable spans for deck floor or porch framing. The load bearing capacities of structural decking also make it useful as floor decking and solid sidewall construction. But you ll notice when you look at the portion of the span table for joists with cantilevers that the joist span for decks with a cantilever is often less than the span for the same sized joist without cantilevers.

A 2 2x10 can span 10 feet and so on. Applies to apa rated plywood sturd i floor. Deck beam span table deck joist span table deck joist rule of thumb deck porch construction structural fasteners deck porch post beam connectors. Listed are 46 tables based on common loading conditions for floor joists ceiling joists and rafters.

Two inch decking not less than 40 to be 14 ft.