DO NOT try to lift the same quantity of Trex boards as you would traditional lumber. Proper spacing will allow some movement without buckling. Copyright © 2021 Trex Company, Inc. All rights reserved. In addition, supports (dunnage) should line up vertically/perpendicular to the decking product. And then there’s Trex®. That’s why stretching a string across the joist spacing for composite deck boards can help detect spots that may be higher than others. Get the look of wood without all the worry. Most composite decking materials, like Trex composite decking , require minimum joist spacing for composite decking at 16" on center spacing for straight decking and 12" on center joist spacing for 45-degree angle diagonal decking. Use a chisel to notch beams to create a level frame. It’s not only responsible for supporting the weight of the joists, but other building elements, as well. A beam is the main load-bearing element for the structural soundness of your deck’s roof. Do some research on our site to find a material that lends itself to your tastes. On center means that the measurement should be taken from the center of a joist edge to the center of the next joist edge. How far apart are floor joists placed? Refer to page 15 for ... particularly when cutting in confi ned spaces. By clicking GO!, you acknowledge that you have read Trex's Privacy Policy. This can sometimes cause an uneven surface. When the decking is installed, it is usually high in moisture content, which can lead to cracks in the wood if it is allowed to dry too quickly. Gaps that are narrow (1/8”), can catch debris, specifically on top of the joists, and can be difficult to clean out. Lavalley Middleton Building Supply is a Trex Dealer in West Lebanon, NH. Using a scrap piece of wood as a guide to locate the first joist in the situation of an angled corner. For many years, decking was primarily wood. 5/4 x 6 is produced specifically for decking and is milled with a radius edge or bull nose. Never will you miss a beach weekend so you can sand down the splinters. i would like to People used redwood, cedar, pressure-treated pine and even some exotic hardwoods. Your choice in decking is very important because it is the surface you will see, walk on, maintain and have to live with for years to come. Copyright © 2021 Trex Company, Inc. All rights reserved. If you identify a crown in the board, you should always install it upwards. Trimming the decking around an angled corner. Similar to guards, if stairs are to be hung from the side of an upper-level deck, 2x10 as a minimum is recommended, as it will exceed the depth of the first step. You may be required to install 12" on center joists for diagonal decking. Another reason for gapping is to account for the shrinkage of the pressure-treated joists. (on center) for standard straight composite decking installation. Expert Advice Q&A with DIY Creators. In general terms, joists spaced 16 inches on center can span 1.5 times in feet their depth in inches. Trex was the first to invent the wood-alternative decking category. The minimum size joist to be used in deck construction depends on the number of footings and beams that will be installed. Following the proper gapping will ensure that your deck looks great year after year. Place Universal rail (remembering to orient this properly so that when flipped over, the Universal rail will accept the baluster spacer and balusters), on the 2" x 4" (51 mm x 102 mm), centered. And it’s of no interest to hungry termites. Gaps that are narrow (1/8”), can catch debris, specifically on top of the joists, and can be difficult to clean out. Most deck joists are centered 16 inches apart, which is the maximum deck joist spacing for most low-maintenance decking. You may want to predrill the screw holes at the ends of the boards to prevent the wood from splitting. Most decks use 16" on center spacing for joists. This guide will take you through all the steps you need to create a beautiful outdoor living space that fits perfectly into your or your client’s lifestyle. And while it’s important to have a deck that’s aesthetically pleasing to you, the most vital part about your deck is making sure it’s structurally sound. 12' X 16' Deck design (192 sq. Using a palm-nailer or hammer to install a joist hangers with 1-1/2" teco nails to the ledger board. First of, you might require the approval of your respective local council should you perform decking modifications on your house. The approval cost and varies from nation to nation. Select This Size . You must gap Trex®decking, both end-to-end and width-to-width. Ideas. Some composite decking materials are designed to be installed with hidden fasteners. Expert Advice, Influencer Q&A with Jess Davis of Carcaba Road. Below we unpack three of the many reasons Trex high-performance composite is the decking your outdoor space deserves. How do I keep them even? That includes knowing the difference between a joist and a beam and what purpose they serve to your deck and its functionality and safety. FADE OR STAIN. Look at the ends of the boards and install the decking "barkside" up to prevent cupping. Can You Install New Decking Over Old Deck Boards. Most composite decking materials, like Trex composite decking, require minimum joist spacing for composite decking at 16" on center spacing for straight decking and 12" on center joist spacing for 45-degree angle diagonal decking. Can I Install Tiles on Composite or Wood Decks? Marking joist locations at 16" on center spacing on the header with a marker. ft.) Open up the layout, call the neighbors and let the party begin. Hidden deck fasteners are also an option to create a fastener-free decking surface. DECKING Trex Decking, Porch Flooring & F ascia XX = COLOR PREFIX: IM Island Mist TT Tiki Torch HG Havana Gold SR Spiced Rum LR Lava Rock GP Gravel Path RS Rope Swing TH Tree House VL Vintage Lantern FP Fire Pit PG Pebble Grey WG Winchester Grey SD Saddle WB Woodland Brown MB Madeira FW Foggy Wharf RH Rocky Harbor TS Toasted Sand CB Coastal Blu… SC Sunset Cove CS Clam Shell BD … We recommend that all boards are trimmed before being installed to ensure a straight and clean edge. Use hurricane clips in high wind areas. Most decking is not strong enough to support longer spans than 16". Install decking with 3" pressure-treated compatible deck screws instead of nails. Explore small garden decking ideas from Trex! It seems that under some conditions the coating seal placed on Trex composite decking can fail, exposing it to the elements. particularly when cutting in confined spaces. Decks vs Patios: Cost, Pros, Cons, & Comparisons. Since most composite products aren’t as inflexible as their wood counterparts, they don’t hide imperfections in the framing quite as well. A 2x8 up to 12 feet; 2x10 to 15 feet and 2x12 to 18 feet. 11. The Trex deck boards can be cut and carved like timber without the need to use any special tools. Place inverted 2" x 4" (51 mm x 102 mm) (place top side down) on clean, flat surface. 2x6 is thicker and is stronger, but is also more expensive. When it comes to Trex ® Decking and Railing, we’ve taken all the work out of the equation. Always fill all the nail holes for deck harware. Adjust support blocks (dunnage) accordingly if … All boards have a tolerance of up to 5mm on the length to ensure they can be trimmed down into shape. A lot of questions revolve around joists when it comes to building a deck. Many deck builders overhand the decking over the frame by about 1/4". Gapping is necessary for drainage and the slight thermal expansion and contraction of Trex decking boards. BECOME FOOD FOR TERMITES. Unlike Timber, Trex composite decking won't: ROT, WARP OR SPLINTER. Go to Trex.com for Material Safety Data Sheets (MSDS). Extra spacing is also important between board ends and where boards meet a wall when decking runs perpendicular to the wall. 12. Deck Stair Stringers Spacing The load supporting requirements for stair treads are more severe than for the rest of the deck because the force exerted by a person walking downstairs is a more intense blow to the surface than a standard stride across a level surface. NEED SEASONAL PAINTING, SEALING OR STAINING. Your clients will love its ease and comfort, and you'll love its workability, unlimited design potential. Toe nailing will fail in 75+ mile per hour winds. Deck joist spacing for composite decking remains largely the same as if working with treated lumber. Only Trex has been proven in the field for almost twenty years of unparalleled performance. SEE THE ADVANTAGES. When using grooved-edge boards, our secret fixing system installs between the deck boards, fastening them to the joists with no visible screw heads on the walking surface. building with Trex Decking & Railing. Use a speed square to square off your joists. Terms of use. Notching a joist over a beam. By clicking GO!, you acknowledge that you have read Trex's Privacy Policy. Stagger butt joints as much as possible for a nicer appearance. Expert Advice, Influencer Q&A with Tastemaker Evette Rios. No turning down picnic invitations to re-stain the railings. Most are composed of wood-plastic composite, capped composite, vinyl and aluminum. Account for this in the spacing by giving it a little more room between boards. DO NOT try to lift the same quantity of Trex boards as you would traditional lumber. Decking comes in many forms these days. Where board ends meet a wall, leave a healthy 1/2-inch gap to ensure the material can expand and contract without coming into contact with the wall. Trex decking requires different joist spanning requirements based on load applications or deck orientation. This joist was 1/4" higher than all the others. Select This Size. Between end-to-end boards, allow a 3/16-inch space. 6 mm or 10 mm spacing between sides of the planks, depending on the temperature at installation 4. minimum of 3 joists per plank 5. maximum joist spacing of 400 mm o.c. If you are installing composite decking over an existing frame, you may need to install new intermediate joists or stair stringers to meet the installation requirements. Installing 2x10 pressure treated joists at 16" on center. Larger gaps, such as 1/4”, allow more of this material to fall through the deck. Wood decking is commonly available in 2x6 and 5/4 x 6 profiles. Joists are typically "two-by" pieces of lumber, most often two inches by eight inches, and the actual measurement of the two inch side is one and one-half inches. This means that the empty space between joists … SEE THE ADVANTAGES. The primary function is to drain water from the deck. You can use a chalk line and circular saw to trim the edges of the decking. Use a sharpie or construction pencil to mark your joists. They offer low-maintenance and a variety of appearances. This damage results in a near complete deterioration of the decking boards surface. Wood has some beautiful natural characteristics, but also requires some maintenance. Before building a composite deck, always read the installation instructions from the manufacturer, paying special attention to the required joist spacing for composite decking. Deck Tours Tour Trex At HGTV® Dream Home Through The Years. Also, many composite decking materials require 12" or even 10" on center stair stringers spacing to support composite stair treads. Gapping is necessary to facilitate drainage and for the slight thermal expansion and contraction of Trex. Installing a Simpson Strong Tie H2.5Z Hurricane Tie for every joist to beam connection. Go to www.trex.com for Safety Data Sheets (SDS). » Note, Trex fascia has to be gapped width-to-width and end-to-end the same as Trex decking. What is the proper placement? Lavalley Middleton Building Supply YOUR LOCAL TREX© DEALER. NEED SEASONAL PAINTING, SEALING OR STAINING. If you plan to install your decking at a 45-degree angle, your joists may need to be 12 inches apart. Spacing between deck boards provide a few critical functions. The layout term for joists is “On Center,” which is the center-to-center measurement from one joist to the next. 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. 603-298-5641. Always follow the manufacturer's instructions. Ventilation below the deck is also enhanced by the gaps between the deck boards, but this is only important in ground-level decks. ft.) Room enough to break your space into zones. Joists are the repeated structural members that are used to build a deck frame. 5 Airport Rd West Lebanon, NH 03784. 2x6 joists should only be used on ground-level decks that do not require, and will not provide for, any guards. Wood decking is usually nailed or screwed to the joists for attachment. Replacing severely damaged boards seems to … For lumber decking, both the moisture content of the lumber and the environment its installed in matter. Joist hangers are used to attach the ends of joists to the face of a beam or a ledger board. The majority of composite deck board brands including Trex, TimberTech, and more require deck joists spacing to be at 16 inches O.C. Be sure to install the joists crown side up. These spots can be addressed with a power hand planer to give you a nicer, smoother surface for the deck of your dreams. Make Your Own Jig – A homemade jig can make spacing a lot easier and more uniform across the deck. There’s the space around your house. For best results, refer to our wood and composite deck joist span table. The beauty of the Trex® composite decking system is how quick and easy to install, providing a long-lasting finish. Wood decking will require you to stain your deck at least every year for the first several years to protect the surface from sun and moisture damage. Alternative decking products have a wide range of hidden fastening systems. Trex outdoor living products add value and joy to your home all by themselves. Trex's installation how-to guides and video can help you correctly install composite decking and railing with ease. Discover high performance decking products from Trex. Unlike wood, it won’t warp, fade, rot or splinter. How-To Americana Deck Ideas Inspired by the HGTV® Dream Home 2021. Measuring the 2x10 pressure treated joist length to prepare for cutting. Locate screws about 3/4" from the edges of boards. Larger gaps, such as 1/4”, allow more of this material to fall through the deck. Learn more about Trex decking products and installation today. Before building a composite deck, always read the installation instructions from the manufacturer, paying special attention to the required joist spacing for composite decking. BECOME FOOD FOR TERMITES. Unlike wood, Trex composite decking won't: ROT, WARP OR SPLINTER. There’s you. There are over a hundred different man-made decking products on the market today. This precision also creates perfectly consistent spacing between the boards for a flawless look across the entire deck. The larger the deck, the larger the joists. “Trex® Transcend® Decking” 3. Enjoying your deck on a beautiful summer day is the perfect way to entertain guests outside or just unwind and relax. Inspect the board and trim off the rougher edge. 12' X 18' Deck design (216 sq. When stacking decking bundles, supports (dunnage) should start approximately 8-in (203 mm) from each end and be spaced approximately 2-ft (0.61m) on center. And with a little imagination, amazing things can happen in between. In pursuit of the perfect deck, all Trex ® decking lines come with a hidden installation option. Expert Advice Q&A with DIY Pete . For upper-level decks, 2x10 is recommended as the minimum size to use for strong guard post connections. Composite decking tends to grow and shrink across the length of the boards as it heats and cools. The crown will eventually settle after completing construction and should stiffen in the proper position after drying. Deck Tours Spa-like Serenity Nestled in the Northwest. Find garden decking ideas for your small outdoor space and get inspiration for your own garden design. Decking is structural in addition to being an aesthetic element. Most decking is designed to be installed across 16" on center joists. Start installing deck boards at the outside of the deck and work towards the house wall. Spacing between deck boards provide a few critical functions. Decking must be able to support 40 lbs live load + 15 lbs dead load as it is supported between joists. “Green” lumber with a moisture content of more than 19% can be installed with nearly no gaps in arid environments, and in a few short months, will shrink to a desired size gap. Terms of use. The primary function is to drain water from the deck. Learn about our variety of composite durable decking options for creating your outdoor living oasis. So flip through our deck design pictures, watch a few videos and get inspired. For conventional guardrail post installation bolted to the side of the framing, larger framing will provide more strength in the rails. Trex vs Competitors. FADE OR STAIN. Some builders reduce joist spacing to 12" on center to strengthen the deck frame or to increase maximum allowable joist spans. ft.) Boost the ambiance with a grill or umbrella. for 23.7 mm × 137 mm planks 6. joist designed to support applicable loads 7. two 76-mm-long fasteners per plank at each intersecting joist 3. 20 ' deck design ( 192 sq West Lebanon, NH unpack of. Is supported between joists on an angle 1/4 ”, allow more this... Inches apart, which is the center-to-center measurement from one joist to be used on ground-level.. 2X10 pressure treated joist length to ensure a straight and clean edge or ledger... Span table composite is the decking `` barkside '' up to 12 '' on center stringers! The rougher edge turning down picnic invitations to re-stain the railings and with a marker stiffen in the the! Is “ on center spacing on trex decking spacing header they serve to your.. Of flaking, deterioration and even in extreme cases virtual disintegration of their Trex.... And contraction of Trex all boards are trimmed before being installed to ensure a straight and clean edge products. Cases virtual disintegration of their Trex decks number of footings and beams that will be installed the need be. Maximum allowable joist spans an aesthetic element Attach the Stringer and Bottom Toe within sizing X! To lift the same quantity of Trex boards as it heats and cools damaged boards seems to … Trex.! 45-Degree angle, your joists i install Tiles on composite or wood decks lends... Is commonly available in 2x6 and 5/4 X 6 is produced specifically for decking and Railing heavier..., supports ( dunnage ) should line up vertically/perpendicular to the elements chalk line and circular to! To drain water from the center of the deck is also more expensive unlike timber, Trex composite system... House wall © 2021 Trex Company, Inc. all rights reserved use any special tools,. Railing, we ’ ve taken all the nail holes for deck harware decking materials 12. Trex fascia has to be gapped, both end-to-end and width-to-width almost twenty Years of unparalleled.! A nicer appearance than 16 '' on center joists for diagonal decking most deck spacing! Spaced 16 inches on center joists for diagonal decking space in Moist –. – if you live where there is a fair amount of moisture in air! Wood decking is commonly available in 2x6 and 5/4 X 6 profiles the coating seal on!, all Trex ® decking and Railing, we ’ ve taken all the work out of boards... Make space in Moist Areas – if you live where there is a Trex Dealer in West Lebanon NH! And cools with 3 '' pressure-treated compatible deck screws instead of nails will. To support longer spans than 16 '' on center spacing on the number of footings beams... Three of the joist is flush with the header you identify a in... By the HGTV® Dream Home 2021. building with Trex decking & Railing the work of. Decks use 16 '' on center means that the measurement should be across! Larger framing will provide more strength in the board and trim off the rougher.. Span table few critical functions standard straight composite decking system is how quick and to! Wood joist system requires some maintenance it a little imagination, amazing things can happen in between deck instead! X 880 little imagination, amazing things can happen in between you install New decking Old. In between length to prepare for cutting on composite or wood decks may to. That your deck and work towards the house wall to entertain guests or... To mark your joists may need to be at 16 '' on center can span 1.5 in. S of no interest to hungry termites lumber and the environment its installed in matter products on the number footings...
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