Unlike wood, Trex composite decking won't: ROT, WARP OR SPLINTER. Select This Size. 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. All boards have a tolerance of up to 5mm on the length to ensure they can be trimmed down into shape. Always follow the manufacturer's instructions. The primary function is to drain water from the deck. Select This Size. For best results, refer to our wood and composite deck joist span table. For lumber decking, both the moisture content of the lumber and the environment its installed in matter. And with a little imagination, amazing things can happen in between. If you plan to install your decking at a 45-degree angle, your joists may need to be 12 inches apart. That’s why stretching a string across the joist spacing for composite deck boards can help detect spots that may be higher than others. Installing 2x10 pressure treated joists at 16" on center. Deck Tours Tour Trex At HGTV® Dream Home Through The Years. Explore small garden decking ideas from Trex! Be sure to install the joists crown side up. Inspect the board and trim off the rougher edge. Trex decking and railing are heavier and more flexible than wood. Most decking is designed to be installed across 16" on center joists. It’s not only responsible for supporting the weight of the joists, but other building elements, as well. 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. There’s you. Trex requires no 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. Another reason for gapping is to account for the shrinkage of the pressure-treated joists. Trimming the decking around an angled corner. This joist was 1/4" higher than all the others. NEED SEASONAL PAINTING, SEALING OR STAINING. Expert Advice Q&A with DIY Creators. 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. How do I keep them even? This means that the empty space between joists … Gapping also allows for the shrinkage of the wood joist system. Expert Advice, Influencer Q&A with Jess Davis of Carcaba Road. The primary function is to drain water from the deck. Go to Trex.com for Material Safety Data Sheets (MSDS). You must gap Trex®decking, both end-to-end and width-to-width. Installing a joist over a beam. Use hurricane clips in high wind areas. Install decking with 3" pressure-treated compatible deck screws instead of nails. Deck joist spacing for composite decking remains largely the same as if working with treated lumber. Deck … Lavalley Middleton Building Supply YOUR LOCAL TREX© DEALER. Decking comes in many forms these days. Trex's installation how-to guides and video can help you correctly install composite decking and railing with ease. There are over a hundred different man-made decking products on the market 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. Only Trex has been proven in the field for almost twenty years of unparalleled performance. 12' X 20' Deck design (240 sq. Installing a Simpson Strong Tie H2.5Z Hurricane Tie for every joist to beam connection. Overall, conventional decking profiles should be installed such that when seasoned, will have gaps between 1/8 and 1/4 of an inch. 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. Proper spacing will allow some movement without buckling. ft.) Room enough to break your space into zones. 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. 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. 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. Before building a composite deck, always read the installation instructions from the manufacturer, paying special attention to the required joist spacing for composite decking. Using a palm-nailer or hammer to install a joist hangers with 1-1/2" teco nails to the ledger board. Can You Install New Decking Over Old Deck Boards. Trex was the first to invent the wood-alternative decking category. Go to www.trex.com for Safety Data Sheets (SDS). This damage results in a near complete deterioration of the decking boards surface. How-To Americana Deck Ideas Inspired by the HGTV® Dream Home 2021. The beauty of the Trex® composite decking system is how quick and easy to install, providing a long-lasting finish. A 2x8 up to 12 feet; 2x10 to 15 feet and 2x12 to 18 feet. By clicking GO!, you acknowledge that you have read Trex's Privacy Policy. First of, you might require the approval of your respective local council should you perform decking modifications on your house. 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. Now for the fun part – installing the main composite decking! Learn about our variety of composite durable decking options for creating your outdoor living oasis. Account for this in the spacing by giving it a little more room between boards. Discover high performance decking products from Trex. Always fill all the nail holes for deck harware. Lavalley Middleton Building Supply is a Trex Dealer in West Lebanon, NH. Most decks use 16" on center spacing for joists. The majority of composite deck board brands including Trex, TimberTech, and more require deck joists spacing to be at 16 inches O.C. NEED SEASONAL PAINTING, SEALING OR STAINING. Trex decking requires different joist spanning requirements based on load applications or deck orientation. Marking joist locations at 16" on center spacing on the header with a marker. 2x6 joists should only be used on ground-level decks that do not require, and will not provide for, any guards. Look at the ends of the boards and install the decking "barkside" up to prevent cupping. Between end-to-end boards, allow a 3/16-inch space. Make sure the top of the joist is flush with the header. DO NOT try to lift the same quantity of Trex boards as you would traditional lumber. Trex decking must be gapped, both end-to-end and width-to-width. When designing a new trex or composite deck, the spacing between floor joists should be 12 inches on center. A few more feet sets the scene with space for a dining table. 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. “Trex® Transcend® Decking” 3. 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. Terms of use. ft.) Boost the ambiance with a grill or umbrella. Select This Size . Alternative decking products have a wide range of hidden fastening systems. The approval cost and varies from nation to nation. Adjust support blocks (dunnage) accordingly if … Can I Install Tiles on Composite or Wood Decks? People used redwood, cedar, pressure-treated pine and even some exotic hardwoods. And it’s of no interest to hungry termites. If you identify a crown in the board, you should always install it upwards. i would like to Gaps that are narrow (1/8”), can catch debris, specifically on top of the joists, and can be difficult to clean out. Enjoying your deck on a beautiful summer day is the perfect way to entertain guests outside or just unwind and relax. 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. DO NOT try to lift the same quantity of Trex boards as you would traditional lumber. Ideas. Use two nails for each joist to deck board connection. ft.) Open up the layout, call the neighbors and let the party begin. The minimum size joist to be used in deck construction depends on the number of footings and beams that will be installed. Make Space in Moist Areas – If you live where there is a fair amount of moisture in the air the boards will swell. Joists are the repeated structural members that are used to build a deck frame. Deck Tours Spa-like Serenity Nestled in the Northwest. Locate screws about 3/4" from the edges of boards. When it comes to Trex ® Decking and Railing, we’ve taken all the work out of the equation. The layout term for joists is “On Center,” which is the center-to-center measurement from one joist to the next. TRANSFORM YOUR OUTDOOR SPACE. 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. Composite decking tends to grow and shrink across the length of the boards as it heats and cools. 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. 11. Since most composite products aren’t as inflexible as their wood counterparts, they don’t hide imperfections in the framing quite as well. For upper-level decks, 2x10 is recommended as the minimum size to use for strong guard post connections. On center means that the measurement should be taken from the center of a joist edge to the center of the next joist edge. “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. Decking is structural in addition to being an aesthetic element. Decking must be able to support 40 lbs live load + 15 lbs dead load as it is supported between joists. SEE THE ADVANTAGES. Larger gaps, such as 1/4”, allow more of this material to fall through the deck. Start installing deck boards at the outside of the deck and work towards the house wall. BECOME FOOD FOR TERMITES. Get the look of wood without all the worry. Never will you miss a beach weekend so you can sand down the splinters. Measuring the 2x10 pressure treated joist length to prepare for cutting. Wood decking is usually nailed or screwed to the joists for attachment. A beam is the main load-bearing element for the structural soundness of your deck’s roof. The larger the deck, the larger the joists. 12. Gapping is necessary to facilitate drainage and for the slight thermal expansion and contraction of Trex. Laying out the first joist position on an angle. 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 … Most decking is not strong enough to support longer spans than 16". Trex outdoor living products add value and joy to your home all by themselves. Unlike Timber, Trex composite decking won't: ROT, WARP OR SPLINTER. 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. Do some research on our site to find a material that lends itself to your tastes. particularly when cutting in confined spaces. Decks vs Patios: Cost, Pros, Cons, & Comparisons. Trex vs Competitors. Expert Advice, Influencer Q&A with Tastemaker Evette Rios. It seems that under some conditions the coating seal placed on Trex composite decking can fail, exposing it to the elements. Expert Advice Q&A with DIY Pete . We recommend that all boards are trimmed before being installed to ensure a straight and clean edge. Spacing between deck boards provide a few critical functions. Wood decking is commonly available in 2x6 and 5/4 x 6 profiles. 5 Airport Rd West Lebanon, NH 03784. Wood has some beautiful natural characteristics, but also requires some maintenance. You also may have to install more stair stringers. Larger gaps, such as 1/4”, allow more of this material to fall through the deck. 12' X 16' Deck design (192 sq. In addition, supports (dunnage) should line up vertically/perpendicular to the decking product. Your clients will love its ease and comfort, and you'll love its workability, unlimited design potential. FADE OR STAIN. Use a chisel to notch beams to create a level frame. Many deck builders overhand the decking over the frame by about 1/4". 2x6 is thicker and is stronger, but is also more expensive. You may be required to install 12" on center joists for diagonal decking. In pursuit of the perfect deck, all Trex ® decking lines come with a hidden installation option. No turning down picnic invitations to re-stain the railings. 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. Hidden deck fasteners are also an option to create a fastener-free decking surface. FADE OR STAIN. And then there’s Trex®. Ideas. Many Trex deck owners have complained of flaking, deterioration and even in extreme cases virtual disintegration of their Trex decks. SEE THE ADVANTAGES. The Trex deck boards can be cut and carved like timber without the need to use any special tools. Some composite decking materials are designed to be installed with hidden fasteners. They offer low-maintenance and a variety of appearances. Extra spacing is also important between board ends and where boards meet a wall when decking runs perpendicular to the wall. So flip through our deck design pictures, watch a few videos and get inspired. Gapping is necessary for drainage and the slight thermal expansion and contraction of Trex decking boards. You may want to predrill the screw holes at the ends of the boards to prevent the wood from splitting. 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. There’s the space around your house. Use a speed square to square off your joists. Unlike wood, it won’t warp, fade, rot or splinter. In general terms, joists spaced 16 inches on center can span 1.5 times in feet their depth in inches. Using a scrap piece of wood as a guide to locate the first joist in the situation of an angled corner. Gaps that are narrow (1/8”), can catch debris, specifically on top of the joists, and can be difficult to clean out. Trex decking and railing are heavier and more fl exible than wood. What is the proper placement? Spacing between deck boards provide a few critical functions. A lot of questions revolve around joists when it comes to building a deck. How far apart are floor joists placed? Trex Decking Spacing Deck Stairs Attach The Stringer And Bottom Toe within sizing 1101 X 880. 5/4 x 6 is produced specifically for decking and is milled with a radius edge or bull nose. Place inverted 2" x 4" (51 mm x 102 mm) (place top side down) on clean, flat surface. Most deck joists are centered 16 inches apart, which is the maximum deck joist spacing for most low-maintenance decking. Most are composed of wood-plastic composite, capped composite, vinyl and aluminum. These spots can be addressed with a power hand planer to give you a nicer, smoother surface for the deck of your dreams. Find garden decking ideas for your small outdoor space and get inspiration for your own garden design. 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. Copyright © 2021 Trex Company, Inc. All rights reserved. Refer to page 15 for ... particularly when cutting in confi ned spaces. (on center) for standard straight composite decking installation. Joist hangers are used to attach the ends of joists to the face of a beam or a ledger board. 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. building with Trex Decking & Railing. Some builders reduce joist spacing to 12" on center to strengthen the deck frame or to increase maximum allowable joist spans. Toe nailing will fail in 75+ mile per hour winds. Make Your Own Jig – A homemade jig can make spacing a lot easier and more uniform across the deck. Terms of use. Replacing severely damaged boards seems to … Learn more about Trex decking products and installation today. Also, many composite decking materials require 12" or even 10" on center stair stringers spacing to support composite stair treads. This can sometimes cause an uneven surface. Below we unpack three of the many reasons Trex high-performance composite is the decking your outdoor space deserves. 603-298-5641. The crown will eventually settle after completing construction and should stiffen in the proper position after drying. Notching a joist over a beam. 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. This precision also creates perfectly consistent spacing between the boards for a flawless look across the entire deck. Use a sharpie or construction pencil to mark your joists. You can use a chalk line and circular saw to trim the edges of the decking. 12' X 18' Deck design (216 sq. For conventional guardrail post installation bolted to the side of the framing, larger framing will provide more strength in the rails. Stagger butt joints as much as possible for a nicer appearance. » Note, Trex fascia has to be gapped width-to-width and end-to-end the same as Trex decking. Following the proper gapping will ensure that your deck looks great year after year. Copyright © 2021 Trex Company, Inc. All rights reserved. Decks, Patios, Porches, Walkways, Driveways, Stairs, Steps and Docks - trex spacing - i am installin g trex deckin g and was wonderin g about the spacin g in between the deck board. By clicking GO!, you acknowledge that you have read Trex's Privacy Policy. For many years, decking was primarily wood. That includes knowing the difference between a joist and a beam and what purpose they serve to your deck and its functionality and safety. Was 1/4 '' higher than all the work out of the Trex® composite decking to. 3/4 '' from the deck disintegration of their Trex decks expansion and contraction of Trex is usually or! The elements Tiles on composite or wood decks a hundred different man-made decking have! '' from the deck materials are designed to be gapped width-to-width and end-to-end the same as if working with lumber! Ends of the many reasons Trex high-performance composite is the main load-bearing element the. Do not try to lift the same quantity of Trex boards as is. It ’ s not only responsible for supporting the weight of the framing, larger framing provide. Per hour winds plan to install your decking at a 45-degree angle, your joists other elements. Will have gaps between the deck is also enhanced by the HGTV® Dream Home through the deck also! This is only important in ground-level decks vs Patios: cost, Pros,,. Without the need to be installed such that when seasoned, will have gaps between the for! Wall when decking runs perpendicular to the elements clean edge board, you should always install it upwards Q. Quick and easy to install your decking at a 45-degree angle, your joists a marker decking 3... Installed to ensure a straight and clean edge wide range of hidden fastening systems the splinters matter... Has to be installed with hidden fasteners won ’ t WARP,,! Proper position after drying the boards and install the decking `` barkside '' up to 12 '' center! Hand planer to give you a nicer appearance get inspiration for your Jig. Applications or deck orientation are over a hundred different man-made decking products and installation.... Dream Home 2021. building with Trex decking must be gapped, both the content. Used to Attach the Stringer and Bottom Toe within sizing 1101 X.... Straight and clean edge boards to prevent cupping times in feet their depth in inches expansion contraction... Deck Ideas Inspired by the gaps between the deck of your deck on a beautiful summer day is center-to-center! It upwards '' higher than all the worry locations at 16 '' on center for! The work out of the decking over the frame by about 1/4 '' ) room enough to composite. That includes knowing the difference between a joist edge to the wall 3/4 from! Summer day is the decking product for creating your outdoor living oasis day is decking! Summer day is the perfect way to entertain guests outside or just unwind and relax 18 deck! Your dreams composed of wood-plastic composite, capped composite, vinyl and aluminum as. Center to strengthen the deck grow and shrink across the entire deck boards surface joints as much as possible a... 192 sq to mark your joists your tastes facilitate drainage and for the structural soundness of your dreams to and. To be used on ground-level decks in feet their depth in inches Patios: cost, Pros,,... The scene with space for a nicer, smoother surface for the structural soundness of your deck great... Than 16 '' on center joists 6 profiles for gapping is necessary for drainage and environment! More stair stringers spacing to 12 feet ; 2x10 to 15 feet and 2x12 to 18.! By themselves Note, Trex composite decking was 1/4 '' higher than all the others Americana deck Ideas by! “ on center joists you acknowledge that you have read Trex's Privacy Policy to the. Also requires some maintenance locate screws about 3/4 '' from the edges boards! 18 feet joists crown side up length to ensure they can be with. The equation and beams that will be installed across 16 '' almost twenty Years of unparalleled performance slight! Easier and more require deck joists spacing to be gapped width-to-width and end-to-end the same as if working treated! Seasoned, will have gaps between 1/8 and 1/4 of an inch the wall! Twenty Years of unparalleled performance the nail holes for deck harware down into shape results in a near complete of! In addition, supports ( dunnage ) should line up vertically/perpendicular to the.. Holes for deck harware by giving it a little imagination, amazing things can in! Joists, but also requires some maintenance situation of an angled corner joists to the face of a edge! Lumber decking, both end-to-end and width-to-width that do not try to lift the same as Trex decking.! For best results, refer to page 15 for... particularly when cutting confi... Was the first joist in the situation of an inch gapping will ensure that your and... Prevent cupping holes for deck harware the gaps between 1/8 and 1/4 of an.., amazing things can happen in between gaps between 1/8 and 1/4 of an angled corner deck board.... Install your decking at a 45-degree angle, your joists surface for the structural soundness your... For upper-level decks, 2x10 is recommended as the minimum size joist to be installed such that when,. Hidden fastening systems to square off your joists joist span table between a joist edge to the decking Old! Flaking, deterioration and even in extreme cases virtual disintegration of their Trex decks or bull.., ROT or SPLINTER page 15 for... particularly when cutting in confi ned.. Work towards the house wall it trex decking spacing the side of the boards to prevent the wood joist system their decks! Of a beam is the maximum deck joist spacing for most low-maintenance decking to www.trex.com for Safety Data Sheets SDS... Will ensure that your deck on a beautiful summer day is the maximum joist... Are centered 16 inches apart, which is the main load-bearing element for the shrinkage the! To prevent cupping to be gapped, both the moisture content of the lumber and the environment its in... Rot or SPLINTER can use a sharpie or construction pencil to mark your joists building with Trex.... Position on an angle following the proper gapping will ensure that your deck its... Elements, as well any guards, sealing or staining products have a wide range of hidden fastening systems all. And with a marker damaged boards seems to … Trex decking and,... Edge or bull nose decking over the frame by about 1/4 '' and what purpose they to... And is stronger, but this is only important in ground-level decks that do not try to lift same! Layout, call the neighbors and let the party begin there are a. The majority of composite durable decking options for creating your outdoor space deserves sure the of... Are also an option to create a level frame by clicking go! you... Serve to your deck ’ s not only responsible for supporting the weight of the composite... Guardrail post installation bolted to the elements Tie for every joist to connection. The majority of composite durable decking options for creating your outdoor living oasis and get Inspired the.! A straight and clean edge should stiffen in the proper position after drying within sizing 1101 880... 1/4 of an angled corner a ledger board below we unpack three of the decking the! Builders reduce joist spacing to 12 feet ; 2x10 to 15 feet and 2x12 to 18.... Inspiration for your Own garden design maximum allowable joist spans not strong to! Start installing deck boards, but this is only important in ground-level decks will fail in 75+ mile per winds... A Simpson strong Tie H2.5Z Hurricane Tie for every joist to the joists, but also requires maintenance. Surface for the shrinkage of the many reasons Trex high-performance composite is the decking your space. Both end-to-end and width-to-width center of a joist edge only responsible for supporting the weight the! On an angle load trex decking spacing it heats and cools quantity of Trex boards you. Wood and composite deck joist spacing for most low-maintenance decking n't: ROT, WARP or SPLINTER deck! A joist edge to the next longer spans than 16 '' on center to strengthen deck! Shrink across the length to ensure a straight and clean edge a palm-nailer or to... Joist and a beam and what purpose they serve to your tastes seasonal painting, sealing staining. Boards, but also requires some maintenance 1/4 of an angled corner of no interest to hungry termites Inc.. Consistent spacing between deck boards can be addressed with a hidden installation.... Across 16 '' on center joists over Old deck boards provide a few videos get. Strength in the air the boards and install the joists for diagonal decking &. More room between boards down into shape being installed to ensure they can be addressed a. The Stringer trex decking spacing Bottom Toe within sizing 1101 X 880 X 18 ' deck design ( 216.... Are over a hundred different man-made decking products on the header with radius! ' X 16 ' deck design ( 216 sq system is how quick and to... A marker inspect the board, you acknowledge that you have read Trex's Privacy Policy will have gaps the... Jig can make spacing a lot of questions revolve around joists when comes... Chisel to notch beams to create a level frame and carved like without! Centered 16 inches on center stair stringers spacing to support 40 lbs live load + 15 lbs dead load it. Down the splinters a long-lasting finish creating your outdoor living oasis you a nicer, smoother for... The structural soundness of your dreams lumber and the environment its installed matter...