Trex Decking Joist Spacing

Most deck joists are centered 16 inches apart which is the maximum deck joist spacing for most low maintenance decking.
Trex decking joist spacing. Deck joist spacing should never exceed 16 on center with the exception of max deck boards which allow for maximum 24 on center. What is frame spacing for trex decking. Trex signature railing and rod rail are made to be installed at maximum 6 or 8 clear span between posts. For a more rigid feel 12 or less may be preferred.
Trex and other composite decking brands are considerably heavier and more flexible than wooden surface. Trex transcend and select horizontal railings are made to be installed at maximum of 6 1 83 m or 8 2 44 m on center depending upon type of railing you choose. So when would you ever need to use 12 inches oc. Most composite and pvc decking brands like trex and azek recommend a minimum joist spacing of 16 inches oc.
If you plan to install your decking at a 45 degree angle your joists may need to be 12 inches apart. When designing a new trex or composite deck the spacing between floor joists should be 12 inches on. Those railings are not true 6 72 or 8 96 in length.