![]() ![]() All deck boards must always be installed with a 6mm side-to-side gap.The size of the gaps required also depends on the temperature in which theyre being installed so please check the Trex Installation guide. Therefore, it is essential to install the boards with gaps as recommended below. Check your product specs and talk to your local building official before you buy.Īs temperatures change, the deck boards will expand and contract.You also may have to install more stair stringers. ![]() ![]() If you plan to install your composite decking at a 45-degree angle, your joists may need to be 12 inches apart.Most deck joists are centered 16 inches apart, which is the maximum deck joist spacing for most low-maintenance decking.If youre planning to replace old wood decking with PVC or composite, measure the deck joist spacing first.You can then revisit a row to tighten things up when several rows are installed.Īlso Check: 1×6 Deck Board Actual Size Check Deck Joist Spacing We suggest partially installing the fasteners along a row, allowing you to easily fix the adjoining board when you get to the next. They should be no more than 25mm from the end of the board. The Universal Fasteners connect two boards together if you drill downwards, directly into the joists. Hide your screwsįor a screw-free finish, Trex Hideaway® Secret Fixing System can be used to install grooved-edge boards. To ensure the best variety of colour tones, mix and match all boards in the most visually appealing way prior to installation. Choose your layoutĮvery Trex board is unique. Theyre always supplied with extra length, so you can clean cut both ends and still have the size you need. Cut your boardsįor a neat finish, we recommend trimming boards on both ends at a minimum of 5mm. If building over a timber substructure, you should consider using Trex®Protect self-adhesive butyl tape to prevent moisture damage. Trex can be installed over timber, steel or aluminum substructures with joist centers at a maximum of 400mm apart. Then, when youre ready to dig into how to lay your garden decking, refer to our Installation Guide. Explore the six simple steps below to understand the basics. Whether were talking about decking balustrades or our high performance composite, convenience is the cornerstone of every Trex product. If you choose a peak season, then cost estimates might be higher than when deck builders are less busy. You might still have costs for tools or rental of equipment.Ĭost factors include whether rails and stairs are included, how much site prep is required and the general complexity of the deck design. Of course, if you DIY, then youll save most of this cost. Labor costs range from about $3.50 to about $5.50 per square foot. For questions or assistance needed during your project, please reach out to. A homeowners build may vary from Trexs instructions based on the homeowners local municipality requirements, individual design preference and project specifications. Our How-To Team will take you through the process of proper attachment and installation of your deck’s ledger board, posts and beams.ĭisclaimer: Instructions provided by Trex® are based on the build specifications that Trex® demonstrated in the Trex® Academy video series and are not universal to all homeowners projects.
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