Joist Deck Beam Joist 2x8 Span Chart

Recommended beam joist spans for deck framing. The beam spans are based on the span of the deck joists which are listed in 2 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.
joist deck beam joist 2x8 span chart

Or 2x12s at 24 oc.

Joist deck beam joist 2x8 span chart. 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 lbsft 2 or 40 lbsft 2these tables can also be used to determine deck joist span. The numbers in gray indicate the distance between the support posts. Increments from 6 ft. Dimensional lumber deck beam span chart.

For best results refer to our wood and composite deck joist span table. Use the joist span table to find the acceptable joist sizes for a 12 span 2x8s at 12 oc 2x10s at 16 oc. The anchor is hidden within the post unlike unsightly bulky exterior metal post brackets. A double 2x12 beam can span 12 feet.

With a 12 deck span the beam may be either two 2x8s or two 2x10s depending on wood used. The future is here. But youll 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. Floor joist span tables for various sizes and species of wood.

A 2 2x10 can span 10 feet and so on. 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. Section r5075 notes that deck joists can cantilever up to 14 of the joist span. Include a cantilever the length of the cantilever shall be included in the total joist span used in the beam selection tables 4a 4b 5a and 5b ie joist span cantilever.

Post size as per note 5 in tables 4a 4b 5a 5b 6a 6b 7a and 7b. Although the practice is common theres no allowance for interpolating beam spans when the joist length youre dealing with isnt listed in the table. Numbers in blue are joist spans beam to beam or house to beam. The titan post anchor is the most advanced hidden wood post anchoring system of its kind.

Use the beam size table and find the 8 post spacing column. Deck beam span table deck joist span table deck joist rule of thumb deck porch construction structural fasteners deck porch post beam connectors.