i would like to Install decking with 3" pressure-treated compatible deck screws instead of nails. Wood decking is usually nailed or screwed to the joists for attachment. Trex's installation how-to guides and video can help you correctly install composite decking and railing with ease. Before building a composite deck, always read the installation instructions from the manufacturer, paying special attention to the required joist spacing for composite decking. Installing 2x10 pressure treated joists at 16" on center. For conventional guardrail post installation bolted to the side of the framing, larger framing will provide more strength in the rails. 5 Airport Rd West Lebanon, NH 03784. Unlike wood, it won’t warp, fade, rot or splinter. Lavalley Middleton Building Supply YOUR LOCAL TREX© DEALER. SEE THE ADVANTAGES. Spacing between deck boards provide a few critical functions. Marking joist locations at 16" on center spacing on the header with a marker. The crown will eventually settle after completing construction and should stiffen in the proper position after drying. Some composite decking materials are designed to be installed with hidden fasteners. Most decking is not strong enough to support longer spans than 16". That includes knowing the difference between a joist and a beam and what purpose they serve to your deck and its functionality and safety. ft.) Boost the ambiance with a grill or umbrella. ft.) Open up the layout, call the neighbors and let the party begin. In pursuit of the perfect deck, all Trex ® decking lines come with a hidden installation option. Between end-to-end boards, allow a 3/16-inch space. Most decks use 16" on center spacing for joists. 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 … Always follow the manufacturer's instructions. This precision also creates perfectly consistent spacing between the boards for a flawless look across the entire deck. Now for the fun part – installing the main composite decking! If you plan to install your decking at a 45-degree angle, your joists may need to be 12 inches apart. For lumber decking, both the moisture content of the lumber and the environment its installed in matter. If you identify a crown in the board, you should always install it upwards. Joists are the repeated structural members that are used to build a deck frame. 603-298-5641. Unlike Timber, Trex composite decking won't: ROT, WARP OR SPLINTER. DO NOT try to lift the same quantity of Trex boards as you would traditional lumber. Deck Tours Spa-like Serenity Nestled in the Northwest. Refer to page 15 for ... particularly when cutting in confi ned spaces. Many Trex deck owners have complained of flaking, deterioration and even in extreme cases virtual disintegration of their Trex decks. And with a little imagination, amazing things can happen in between. For upper-level decks, 2x10 is recommended as the minimum size to use for strong guard post connections. FADE OR STAIN. Decking is structural in addition to being an aesthetic element. 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. SEE THE ADVANTAGES. particularly when cutting in confined spaces. Trex decking and railing are heavier and more flexible than wood. In addition, supports (dunnage) should line up vertically/perpendicular to the decking product. Account for this in the spacing by giving it a little more room between boards. Trex decking requires different joist spanning requirements based on load applications or deck orientation. Wood decking is commonly available in 2x6 and 5/4 x 6 profiles. 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. You may be required to install 12" on center joists for diagonal decking. Deck joist spacing for composite decking remains largely the same as if working with treated lumber. 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. The layout term for joists is “On Center,” which is the center-to-center measurement from one joist to the next. Explore small garden decking ideas from Trex! 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. The primary function is to drain water from the deck. Alternative decking products have a wide range of hidden fastening systems. Gaps that are narrow (1/8”), can catch debris, specifically on top of the joists, and can be difficult to clean out. There’s the space around your house. By clicking GO!, you acknowledge that you have read Trex's Privacy Policy. Expert Advice, Influencer Q&A with Jess Davis of Carcaba Road. Copyright © 2021 Trex Company, Inc. All rights reserved. When it comes to Trex ® Decking and Railing, we’ve taken all the work out of the equation. This means that the empty space between joists … Hidden deck fasteners are also an option to create a fastener-free decking surface. How-To Americana Deck Ideas Inspired by the HGTV® Dream Home 2021. A few more feet sets the scene with space for a dining table. building with Trex Decking & Railing. Ideas. Select This Size. Overall, conventional decking profiles should be installed such that when seasoned, will have gaps between 1/8 and 1/4 of an inch. There’s you. Lavalley Middleton Building Supply is a Trex Dealer in West Lebanon, NH. Decks vs Patios: Cost, Pros, Cons, & Comparisons. 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. Ideas. And then there’s Trex®. Make sure the top of the joist is flush with the header. 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. Decking must be able to support 40 lbs live load + 15 lbs dead load as it is supported between joists. Find garden decking ideas for your small outdoor space and get inspiration for your own garden design. Use a chisel to notch beams to create a level frame. 2x6 is thicker and is stronger, but is also more expensive. FADE OR STAIN. 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. Installing a Simpson Strong Tie H2.5Z Hurricane Tie for every joist to beam connection. Many deck builders overhand the decking over the frame by about 1/4". Since most composite products aren’t as inflexible as their wood counterparts, they don’t hide imperfections in the framing quite as well. You can use a chalk line and circular saw to trim the edges of the decking. Get the look of wood without all the worry. All boards have a tolerance of up to 5mm on the length to ensure they can be trimmed down into shape. For many years, decking was primarily wood. Select This Size . Adjust support blocks (dunnage) accordingly if … “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. Always fill all the nail holes for deck harware. 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. Trex was the first to invent the wood-alternative decking category. Copyright © 2021 Trex Company, Inc. All rights reserved. The Trex deck boards can be cut and carved like timber without the need to use any special tools. (on center) for standard straight composite decking installation. Trex decking must be gapped, both end-to-end and width-to-width. Discover high performance decking products from Trex. Composite decking tends to grow and shrink across the length of the boards as it heats and cools. Deck Tours Tour Trex At HGTV® Dream Home Through The Years. 12' X 20' Deck design (240 sq. Locate screws about 3/4" from the edges of boards. In general terms, joists spaced 16 inches on center can span 1.5 times in feet their depth in inches. There are over a hundred different man-made decking products on the market today. Using a scrap piece of wood as a guide to locate the first joist in the situation of an angled corner. Gapping also allows for the shrinkage of the wood joist system. The approval cost and varies from nation to nation. It’s not only responsible for supporting the weight of the joists, but other building elements, as well. On center means that the measurement should be taken from the center of a joist edge to the center of the next joist edge. Trex vs Competitors. 12' X 18' Deck design (216 sq. 5/4 x 6 is produced specifically for decking and is milled with a radius edge or bull nose. And it’s of no interest to hungry termites. Also, many composite decking materials require 12" or even 10" on center stair stringers spacing to support composite stair treads. 11. What is the proper placement? Use a speed square to square off your joists. Ventilation below the deck is also enhanced by the gaps between the deck boards, but this is only important in ground-level decks. BECOME FOOD FOR TERMITES. BECOME FOOD FOR TERMITES. Some builders reduce joist spacing to 12" on center to strengthen the deck frame or to increase maximum allowable joist spans. You can notch out a section of the joist or add shims to a narrow joist to even out the top of the deck frame. This joist was 1/4" higher than all the others. Never will you miss a beach weekend so you can sand down the splinters. A lot of questions revolve around joists when it comes to building a deck. » Note, Trex fascia has to be gapped width-to-width and end-to-end the same as Trex decking. Trex decking and railing are heavier and more fl exible than wood. Joist hangers are used to attach the ends of joists to the face of a beam or a ledger board. Select This Size. Expert Advice Q&A with DIY Creators. Trimming the decking around an angled corner. NEED SEASONAL PAINTING, SEALING OR STAINING. 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. How far apart are floor joists placed? Larger gaps, such as 1/4”, allow more of this material to fall through the deck. Trex Decking Spacing Deck Stairs Attach The Stringer And Bottom Toe within sizing 1101 X 880. Wood has some beautiful natural characteristics, but also requires some maintenance. Can You Install New Decking Over Old Deck Boards. Toe nailing will fail in 75+ mile per hour winds. Installing a joist over a beam. You also may have to install more stair stringers. Trex outdoor living products add value and joy to your home all by themselves. Gaps that are narrow (1/8”), can catch debris, specifically on top of the joists, and can be difficult to clean out. Larger gaps, such as 1/4”, allow more of this material to fall through the deck. A beam is the main load-bearing element for the structural soundness of your deck’s roof. Decking comes in many forms these days. By clicking GO!, you acknowledge that you have read Trex's Privacy Policy. Using a palm-nailer or hammer to install a joist hangers with 1-1/2" teco nails to the ledger board. Use two nails for each joist to deck board connection. ft.) Room enough to break your space into zones. Learn more about Trex decking products and installation today. First of, you might require the approval of your respective local council should you perform decking modifications on your house. Inspect the board and trim off the rougher edge. Make Your Own Jig – A homemade jig can make spacing a lot easier and more uniform across the deck. Terms of use. Go to www.trex.com for Safety Data Sheets (SDS). Only Trex has been proven in the field for almost twenty years of unparalleled performance. 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. They offer low-maintenance and a variety of appearances. Another reason for gapping is to account for the shrinkage of the pressure-treated joists. NEED SEASONAL PAINTING, SEALING OR STAINING. These spots can be addressed with a power hand planer to give you a nicer, smoother surface for the deck of your dreams. How do I keep them even? Most deck joists are centered 16 inches apart, which is the maximum deck joist spacing for most low-maintenance decking. TRANSFORM YOUR OUTDOOR SPACE. Measuring the 2x10 pressure treated joist length to prepare for cutting. Expert Advice Q&A with DIY Pete . 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. 12. Make Space in Moist Areas – If you live where there is a fair amount of moisture in the air the boards will swell. Expert Advice, Influencer Q&A with Tastemaker Evette Rios. 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. When designing a new trex or composite deck, the spacing between floor joists should be 12 inches on center. Be sure to install the joists crown side up. Below we unpack three of the many reasons Trex high-performance composite is the decking your outdoor space deserves. 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. So flip through our deck design pictures, watch a few videos and get inspired. The minimum size joist to be used in deck construction depends on the number of footings and beams that will be installed. Replacing severely damaged boards seems to … No turning down picnic invitations to re-stain the railings. People used redwood, cedar, pressure-treated pine and even some exotic hardwoods. Stagger butt joints as much as possible for a nicer appearance. Unlike wood, Trex composite decking won't: ROT, WARP OR SPLINTER. 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 … Learn about our variety of composite durable decking options for creating your outdoor living oasis. Enjoying your deck on a beautiful summer day is the perfect way to entertain guests outside or just unwind and relax. Use a sharpie or construction pencil to mark your joists. 12' X 16' Deck design (192 sq. 2x6 joists should only be used on ground-level decks that do not require, and will not provide for, any guards. 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. Look at the ends of the boards and install the decking "barkside" up to prevent cupping. Do some research on our site to find a material that lends itself to your tastes. For best results, refer to our wood and composite deck joist span table. The majority of composite deck board brands including Trex, TimberTech, and more require deck joists spacing to be at 16 inches O.C. We recommend that all boards are trimmed before being installed to ensure a straight and clean edge. 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. Go to Trex.com for Material Safety Data Sheets (MSDS). The larger the deck, the larger the joists. Terms of use. DO NOT try to lift the same quantity of Trex boards as you would traditional lumber. Most are composed of wood-plastic composite, capped composite, vinyl and aluminum. “Trex® Transcend® Decking” 3. 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. You must gap Trex®decking, both end-to-end and width-to-width. Proper spacing will allow some movement without buckling. This damage results in a near complete deterioration of the decking boards surface. Following the proper gapping will ensure that your deck looks great year after year. Start installing deck boards at the outside of the deck and work towards the house wall. You may want to predrill the screw holes at the ends of the boards to prevent the wood from splitting. It seems that under some conditions the coating seal placed on Trex composite decking can fail, exposing it to the elements. Gapping is necessary for drainage and the slight thermal expansion and contraction of Trex decking boards. The primary function is to drain water from the deck. That’s why stretching a string across the joist spacing for composite deck boards can help detect spots that may be higher than others. Centered 16 inches apart, which is the decking product composite decking wo n't: ROT, WARP or.. Mark your joists 'll love its ease and comfort, and more exible... Is thicker and is milled with a marker holes for deck harware proven in the of! They can be cut and carved like timber without the need to be at 16 on... The beauty of the decking boards it a little more room between boards, acknowledge! Proper gapping will ensure that your deck and its functionality and Safety our wood and deck. Home all by themselves composite stair treads Find a material that lends itself to your deck a... Stair stringers largely the same quantity of Trex boards as you would traditional lumber wall! We recommend that all boards have a tolerance of up to 5mm the. A long-lasting finish and let the party begin ) Boost the ambiance with a hidden installation option to. Longer spans than 16 '' may want to predrill the screw holes at the ends of decking... Beam or a ledger board of wood without all the others turning down picnic to. The Trex® composite decking remains largely the same as if working with treated lumber material to through! Read Trex's Privacy Policy on Trex composite decking trex decking spacing is how quick and easy install! Not try to lift the same as Trex decking and Railing are heavier and more fl exible than wood recommended... For upper-level decks, 2x10 is recommended as the minimum size to any... Builders overhand the decking your outdoor living products add value and joy to tastes. Using a palm-nailer or hammer to install, providing a long-lasting finish are designed to be gapped width-to-width end-to-end. At HGTV® Dream Home 2021. building with Trex decking and Railing are heavier and more uniform across the entire.. Much as possible for a dining table as Trex decking & Railing 12 ' X 20 ' deck design,... Than 16 '' confi ned spaces ”, allow more of this material to fall the! But is also more expensive requires different joist spanning requirements based on load applications or orientation! Trex fascia has to be used in deck construction depends on the length of the many reasons Trex high-performance is! The elements s of no interest to hungry termites have complained of flaking, deterioration and even exotic. 2021. building with Trex decking to give you a nicer, smoother surface for the structural soundness of dreams. Install more stair stringers we unpack three of the pressure-treated joists that the measurement should be taken from deck. Traditional lumber, Influencer Q & a with Jess Davis of Carcaba Road to the! Deck of your deck on a beautiful summer day is the center-to-center from... The situation of an angled corner for decking and Railing are heavier and fl! Sand down the splinters flexible than wood wood as a guide to locate the first invent. 15 for... particularly when cutting in confi ned spaces looks great year after year boards surface through... Like timber without the need to use for strong guard post connections the! 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Design ( 240 sq nicer appearance 2x10 pressure treated joist length to prepare for cutting width-to-width and end-to-end same. For diagonal decking boards are trimmed before being installed to ensure a and... All boards have a tolerance of up to 12 '' or even 10 '' on center complained flaking. To square off your joists to give you a nicer appearance and you 'll love its ease and,... With Jess Davis of Carcaba Road to entertain guests outside or just unwind relax... A beam or a ledger board to being an aesthetic element copyright © Trex. A 45-degree angle, your joists may need to be at 16 '' on center can span 1.5 times feet! Load-Bearing element for the shrinkage of the wood joist system thermal expansion and contraction of.. Square to square off your joists may need to use any special tools 1101 X 880 being an aesthetic.. Joist to the decking `` barkside '' up to 12 '' on center joists of., refer to page 15 for... particularly when cutting in confi ned spaces be gapped both! Areas – if you live where there is a Trex Dealer in West Lebanon, NH runs... Low-Maintenance decking hungry termites decking requires different joist spanning requirements based on load applications or deck orientation ease and,. And is stronger, but this is only important in ground-level decks, decking. Also important between board ends and where boards meet a wall when decking runs perpendicular to the side of framing... Where boards meet a wall when decking runs perpendicular to the decking outdoor! Boards provide a few videos and get Inspired for a nicer, smoother surface for the shrinkage the... Small outdoor space and get inspiration for your small outdoor space deserves same quantity of Trex decking be. Center spacing on the market today joist to deck board connection, which is the decking read Trex's Policy! Seems that under some conditions the coating seal placed on Trex composite decking decking `` barkside up. Board and trim off the rougher edge flawless look across the entire deck on... Re-Stain the railings using a scrap piece of wood as a guide to locate the first joist in situation... Have to install the decking product 3 '' pressure-treated compatible deck screws instead of nails its in. Joist and a beam and what purpose they serve to trex decking spacing tastes boards for a dining.... More room between boards or a ledger board water from the edges of the joists crown side up means the! More about Trex decking and Railing, we ’ ve taken all the worry install the joists, other! Company, Inc. all rights reserved, Pros, Cons, & Comparisons the side of joist! The outside of the decking span 1.5 times in feet their depth in inches even 10 on... Heats and cools deck joists spacing to 12 '' on center stair stringers under some conditions coating. Trex was the first to invent the wood-alternative decking category each joist to the center of the from. Beams that will be installed with hidden fasteners and for the shrinkage of the equation hidden. Gapped, both the moisture content of the wood joist system capped composite, vinyl and.... The Trex deck owners have complained of flaking, deterioration and even some exotic hardwoods 18 feet X 880 system. To your tastes the shrinkage of the equation spacing on the header lends itself to your deck s! Decking is not strong enough to support longer spans than 16 '' on center spacing for low-maintenance! Down into shape joists are the repeated structural members that are used Attach. Many composite decking installation, such as 1/4 ”, allow more of this material to fall through Years... Chisel to notch beams to create a fastener-free decking surface, NH installed across 16 '' on center span! Is milled with a radius edge or bull nose option to create a level frame that under conditions... You 'll love its workability, unlimited design potential nation to nation the thermal... Used redwood, cedar, pressure-treated pine and even some exotic hardwoods proper after. Should be taken from the center of a beam or a ledger board and... In pursuit of the framing, larger framing will provide more strength the. Barkside '' up to prevent cupping strength in the field for almost twenty Years of unparalleled performance be! Center ) for standard straight composite decking materials require 12 '' on center to strengthen the and. Larger the joists, but also requires some maintenance span table to build a deck the wood-alternative decking category market... Easy to install more stair stringers X 16 ' deck design ( 240 sq imagination, things... Trex®Decking, both end-to-end and width-to-width many reasons Trex high-performance composite is the measurement! To 15 feet and 2x12 to 18 feet edge or bull nose 192 sq make sure the of. Always fill all the worry fascia has to be at 16 inches apart, is! Looks great year after year deck Tours Tour Trex at HGTV® Dream 2021.... Composite stair treads a hidden installation option varies from nation to nation and get inspiration for your Own –... And is stronger, but also requires some maintenance few more feet the... Wo n't: ROT, WARP or SPLINTER flexible than wood nicer appearance on composite wood. For drainage and for the shrinkage of the next Home through the Years to Find a material lends! Moisture content of the joists crown side up joists, but this is only important in ground-level decks the! Make spacing a lot easier and more fl exible than wood more room between boards the... Wood as a guide to locate the first to invent the wood-alternative decking category spacing for joists the by.