The design charts can be used to design lite deck spans up to 30 ft.
Lite deck 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.
Longer spans can be designed by a licensed structural engineer.
Eam selection for supporting a single span as per tables 4a 4b 5a and 5b.
Dimensional lumber deck beam span chart.
Litedeck srs steel rib system is comprised of high density eps foam decking and 18 gauge galvanneal.
Concrete strength 3000 psi reinforcement strength 60 ksi normal weight concrete 145 lbs ft 3.
The anchor is hidden within the post unlike unsightly bulky exterior metal post brackets.
The titan post anchor is the most advanced hidden wood post anchoring system of its kind.
Lite deck is also ideal for radiant in floor heat applications.
Eam selection for supporting two spans as per tables 6a 6b 7a and 7b.
Joists may cantilever up to of the actual adjacent span.
For 1 span condition longitudinal reinforcing steel only required in bottom of beam.
For example a 2 x 12 joist placed 16 oc.
Spanning 16 6 between supports may cantilever up to an additional 4 1 for a total maximum length of 20 7 southern pine deck beam maximum spans lumber size total deck joist span including cantilever.
The numbers in gray indicate the distance between the support posts.
The larger the deck the larger the joists.
Earth covered home roof d.
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.
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.
Final beam reinforcing to be designed by a licensed design professional in responsible charge.
Decks and patios b.
Tables are not valid if joists span continuously over more than two supports.
A double 2x12 beam can span 12 feet.
Engineering analysis is required in this situation.
Design tables are for cost estimating purposes only.
A 2 2x10 can span 10 feet and so on.
For best results refer to our wood and composite deck joist span table.
The future is here.
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.
System 10 2 tabulated spans between 8 and 21 10 lite deck form 2 concrete slab material parameters.
For 2 and 3 span conditions longitudinal reinforcing required in both top and bottom of beam.
