Span Tables Deck Floor Joist Span Chart

Use of these span tables requires reference to the applicable design values for the various species and grades of lumber.

Span tables deck floor joist span chart.

Dimensional lumber deck beam span chart. Deck beam span table deck joist span table deck joist rule of thumb deck porch construction structural fasteners deck porch post beam connectors. Floor joist span tables for various sizes and species of wood. The maximum joist spans below are based on a ground snow and live load of 40 pounds per square foot and a dead load of 10 pounds per square foot.

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. View joist rafter tables. Live load floor joist span tables in chapter 7 of the state residential code based on the 2012 international residential code. Simplified maximum span tables for selected visual and mechanical grades of southern pine lumber in sizes 2 4 thru 2 12.

Span calculator for wood joists and rafters also available for the android os. The deck joist span chart below is based on the updated codes from the international residential code 2015 which for the first time specifically addressed these deck design considerations. Ready to start calculating how much lumber you ll need for your joists. Bci joists are specially constructed i joists with flanges made from strong versa lam laminated veneer lumber with oriented stranded board webs and approved waterproof structural adhesives providing outstanding strength and durability.

Also available for the android os. Listed are 46 tables based on common loading conditions for floor joists ceiling joists and rafters. For example joists spaced 16 inches from the center of the joist next to it can span 1 5 times in feet the depth of their inches. Numbers in blue are joist spans beam to beam or house to beam.

As a rule the larger the deck the larger the joists. Engineered wood products ewp span and size charts for bci joists. I asked my local building official how he checks a deck plan to make sure the joist size and spacing combination will meet requirements of the building code he goes to the 40 lb. Modulus of elasticity e bending design values f b.

Tables w 1 and w 2 of design values for joists and rafters a supplement to these span tables provide such values for them ostc ommonly used framing sizes. Joist span table use these tables to determine floor joist spans based on grade of lumber size of joist floor joist spacing and a live load of 30 lbs ft 2 or 40 lbs ft 2 these tables can also be used to determine deck joist span. The numbers in gray indicate the distance between the support posts.