Trex Decking Span Chart
Here s a helpful chart covering the most popular wood framing species and their maximum allowed spans.
Trex decking span chart. The majority of composite deck board brands including trex timbertech and more require deck joists spacing to be. 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. Most composite and pvc decking brands like trex and azek recommend a minimum joist spacing of 16 inches oc. Trex select boards are thinner than.
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. Dimensional lumber deck beam span chart. A 2 2x10 can span 10 feet and so on. Trex decking routs to give extremely crisp edges when using the trex router bit with standard router and can be use with all trex hideaway hidden fasteners.
Plus building with trex is as easy as wood yet leaves no painting staining splintering or rotting to worry about ever. When installing any trex decking product especially trex transcend tropicals it is a good idea to mix and match all of the boards on the job site prior to installation to ensure an appealing mix of light and dark tones. Complete your yard with our framing railing lighting. Do not combine trex select decking with other trex decking products.
Build your dream deck with trex the world s best high performance composite decking brand. 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 double 2x12 beam can span 12 feet. 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. Deck joist spacing for composite decking remains largely the same as if working with treated lumber. The numbers in gray indicate the distance between the support posts. Trex from the inside out.
Trex pioneered the wood alternative decking industry nearly 20 years ago and we continue to innovate best in class products for high performance low maintenance outdoor living.