Trex Deck Spacing Between Joists

Trex and other composite decking brands are considerably.

Trex deck spacing between joists.

Check deck joist spacing. Basic deck parts include the ledger and band around the perimeter floor joists across the middle and surface boards for flooring. 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. 3 joists are set too far apart.

Some brands like weardeck. Another mistake to avoid when installing composite decking is spacing the joists too far apart. I am getting ready to add 2 new decks to my house using some sort of composite decking. Deck joist spacing should never exceed 16 on center with the exception of max deck boards which allow for maximum 24 on center.

I ve gone to the websites of several brands boardwalk trex evergrain choicedeck timbertech nexwood eon ezdeck and others to determine waht the best joist spacing is. Like trex and azek recommend a minimum joist spacing of 16 inches oc. Current building codes require that all decks should be supported with a minimum of 2 x 10 pressure treated pine joists that are spaced 24 apart although 16 oc is standard building practice. For best results refer to our wood and composite deck joist span table.

For selecting the right deck builder. Blocking or bridging can be used for a variety of purposes in deck building. The larger the deck the larger the joists. Frame spacing for trex decking refers to the measurement of space that is required between floor joists.

Most deck joists are centered 16 inches apart which is the maximum deck joist spacing for most low maintenance decking. The distance between two deck joists is measured in inches on center. Probably the most commonly used technique is to install small pieces of material in a zig zag pattern between the perimeter joists to create a rigid rim joist that prevents bounce and increases the strength of the rail attachment. Proper side to side deck board spacing allows for air water and debris to flow around the decking leading to a long lasting low maintenance deck.

The smaller the spacing the longer your joists can span. Call 1 800 buy trex 1 800 289 8739 and speak to a customer loyalty advocate who can answer your questions. If adding additional framing be sure to keep all boards level and in plane across the tops.