Most composite and pvc decking brands like trex and azek recommend a minimum joist spacing of 16 inches oc.
Trex decking span tables.
Your clients will love its ease and comfort and you ll love its workability unlimited design potential.
Don t be afraid to go to use a shorter span if you are unsure.
Some brands like weardeck let you get away with more reinforced with a layer of fiberglass on both the top and bottom weardeck boards easily allow for spans of 24 inches oc.
Cm cm 121 9cm table e 50 residential single trex 1 5 8 joist table.
A double 2x12 beam can span 12 feet.
Single trex 1 5 8 joist maximum joist span ledger to box beam 15 0 cm 396 2 trex elevationstm span chart maximum cantilever length 4 0 121 9 50 psf total load 13 0 maximum cantilever length 4 0 maximum joist span ledger to box beam 16 joist spacing o c.
A 2 2x10 can span 10 feet and so on.
It s better to build a deck that is strong than bouncy and unstable.
Build your dream deck with trex the world s best high performance composite decking brand.
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.
Trex was the first to invent the wood alternative decking category.
The numbers in gray indicate the distance between the support posts.
Your selection of decking material will determine the maximum spacing of your joists.