Pressure Treated Pine Floor Joist Span

Listed spans are for wet service conditions pressure treated southern pine floor deck joists mc 19.

Pressure treated pine floor joist span. The table includes spans for. Until a few years ago the irc didn t have deck joist span tables. For each application a pdf download is available. 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 larger the deck the larger the joists. To the span in inches divided by 360 and is based on live load only. Effective june 1 2013. For southern pine.

For instance a double 2 12 beam can span 12 feet. Listed are 46 tables based on common loading conditions for floor joists ceiling joists and rafters. Decks get wet and may be framed with incised treated lumber so spans may have to be adjusted. When supporting joists that span 12 feet with no overhang beyond the beam a double ply beam can span in feet a value equal to its depth in inches.

Check sources of supply for available grades and sizes. 2 grade there is a method that can be used for estimating beam spans. For pressure treated southern pine no. Table 1 floor joists 30 psf live load 10 psf dead load 360 deflection.

Maximum spans were calculated using design values effective june 1 2013. Tables listing maximum spans for southern pine joists and rafters are detailed below. In typical deck construction with a ledger on one side of the joist and beam on the other the size of the joists is driven by the size of the deck and based on the general maximum spans mentioned above. Simplified maximum span tables for selected visual and mechanical grades of southern pine lumber in sizes 2 4 thru 2 12.

Dense elect structural select structural nondense structural no 1 dense no 1 nondense no 2 dense. Deck beam span table deck joist span table deck joist rule of thumb deck porch construction structural fasteners deck porch post beam connectors. Of visually graded southern pine dimension lumber maximum spans in feet inches. View joist rafter tables.

Table 2 joist length treated lumber 6 7 8 9 10 11 12 13 14 15 16 4 joist size 2x6 24 oc 2x6 16 oc 2x8 24 oc 2x6 16 oc 2x8 24 oc 2x8 16 oc 2x10 24 oc. For best results refer to our wood and composite deck joist span table. The load duration factor c d is 1 0. But the 2015 irc included a new one table r507 5 that will make it easy for deck builders to spec a joist size for a given span and joist spacing.