For lumber decking, both the moisture content of the lumber and the environment its installed in matter. Between end-to-end boards, allow a 3/16-inch space. particularly when cutting in confined spaces. NEED SEASONAL PAINTING, SEALING OR STAINING. Can You Install New Decking Over Old Deck Boards. 603-298-5641. Account for this in the spacing by giving it a little more room between boards. ft.) Boost the ambiance with a grill or umbrella. SEE THE ADVANTAGES. Always fill all the nail holes for deck harware. Gapping is necessary to facilitate drainage and for the slight thermal expansion and contraction of Trex. 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. DO NOT try to lift the same quantity of Trex boards as you would traditional lumber. building with Trex Decking & Railing. Explore small garden decking ideas from Trex! Many Trex deck owners have complained of flaking, deterioration and even in extreme cases virtual disintegration of their Trex decks. 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. Refer to page 15 for ... particularly when cutting in confi ned spaces. Your clients will love its ease and comfort, and you'll love its workability, unlimited design potential. 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. Start installing deck boards at the outside of the deck and work towards the house wall. So flip through our deck design pictures, watch a few videos and get inspired. How far apart are floor joists placed? Go to Trex.com for Material Safety Data Sheets (MSDS). Select This Size. 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. Trimming the decking around an angled corner. Ideas. Inspect the board and trim off the rougher edge. That includes knowing the difference between a joist and a beam and what purpose they serve to your deck and its functionality and safety. Adjust support blocks (dunnage) accordingly if … And it’s of no interest to hungry termites. Gapping also allows for the shrinkage of the wood joist system. Install decking with 3" pressure-treated compatible deck screws instead of nails. The primary function is to drain water from the deck. i would like to Extra spacing is also important between board ends and where boards meet a wall when decking runs perpendicular to the wall. Some composite decking materials are designed to be installed with hidden fasteners. Decking must be able to support 40 lbs live load + 15 lbs dead load as it is supported between joists. The crown will eventually settle after completing construction and should stiffen in the proper position after drying. If you plan to install your decking at a 45-degree angle, your joists may need to be 12 inches apart. BECOME FOOD FOR TERMITES. Go to www.trex.com for Safety Data Sheets (SDS). That’s why stretching a string across the joist spacing for composite deck boards can help detect spots that may be higher than others. ft.) Room enough to break your space into zones. The primary function is to drain water from the deck. Spacing between deck boards provide a few critical functions. This precision also creates perfectly consistent spacing between the boards for a flawless look across the entire deck. Following the proper gapping will ensure that your deck looks great year after year. A beam is the main load-bearing element for the structural soundness of your deck’s roof. In addition, supports (dunnage) should line up vertically/perpendicular to the decking product. Terms of use. Composite decking tends to grow and shrink across the length of the boards as it heats and cools. Alternative decking products have a wide range of hidden fastening systems. 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. 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. Marking joist locations at 16" on center spacing on the header with a marker. Joists are the repeated structural members that are used to build a deck frame. Expert Advice Q&A with DIY Creators. Always follow the manufacturer's instructions. There are over a hundred different man-made decking products on the market today. It seems that under some conditions the coating seal placed on Trex composite decking can fail, exposing it to the elements. Joist hangers are used to attach the ends of joists to the face of a beam or a ledger board. Discover high performance decking products from Trex. Most decking is designed to be installed across 16" on center joists. Decks vs Patios: Cost, Pros, Cons, & Comparisons. Trex decking requires different joist spanning requirements based on load applications or deck orientation. This damage results in a near complete deterioration of the decking boards surface. Deck Tours Tour Trex At HGTV® Dream Home Through The Years. Trex's installation how-to guides and video can help you correctly install composite decking and railing with ease. Trex requires no seasonal painting, sealing or staining. Learn about our variety of composite durable decking options for creating your outdoor living oasis. Measuring the 2x10 pressure treated joist length to prepare for cutting. In pursuit of the perfect deck, all Trex ® decking lines come with a hidden installation option. Installing a Simpson Strong Tie H2.5Z Hurricane Tie for every joist to beam connection. DO NOT try to lift the same quantity of Trex boards as you would traditional lumber. Trex Decking Spacing Deck Stairs Attach The Stringer And Bottom Toe within sizing 1101 X 880. 11. “Trex® Transcend® Decking” 3. Find garden decking ideas for your small outdoor space and get inspiration for your own garden design. How do I keep them even? Make sure the top of the joist is flush with the header. How-To Americana Deck Ideas Inspired by the HGTV® Dream Home 2021. 5/4 x 6 is produced specifically for decking and is milled with a radius edge or bull nose. The minimum size joist to be used in deck construction depends on the number of footings and beams that will be installed. 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. They offer low-maintenance and a variety of appearances. 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. Enjoying your deck on a beautiful summer day is the perfect way to entertain guests outside or just unwind and relax. Trex decking and railing are heavier and more fl exible than wood. There’s the space around your house. Since most composite products aren’t as inflexible as their wood counterparts, they don’t hide imperfections in the framing quite as well. Wood decking is usually nailed or screwed to the joists for attachment. Copyright © 2021 Trex Company, Inc. All rights reserved. Wood has some beautiful natural characteristics, but also requires some maintenance. Wood decking is commonly available in 2x6 and 5/4 x 6 profiles. Trex vs Competitors. 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. 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. Before building a composite deck, always read the installation instructions from the manufacturer, paying special attention to the required joist spacing for composite decking. You may be required to install 12" on center joists for diagonal decking. 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. BECOME FOOD FOR TERMITES. 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. Lavalley Middleton Building Supply YOUR LOCAL TREX© DEALER. Spacing between deck boards provide a few critical functions. There’s you. NEED SEASONAL PAINTING, SEALING OR STAINING. Trex decking must be gapped, both end-to-end and width-to-width. Proper spacing will allow some movement without buckling. Also, many composite decking materials require 12" or even 10" on center stair stringers spacing to support composite stair treads. Gaps that are narrow (1/8”), can catch debris, specifically on top of the joists, and can be difficult to clean out. The larger the deck, the larger the joists. The majority of composite deck board brands including Trex, TimberTech, and more require deck joists spacing to be at 16 inches O.C. Most deck joists are centered 16 inches apart, which is the maximum deck joist spacing for most low-maintenance 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. First of, you might require the approval of your respective local council should you perform decking modifications on your house. This means that the empty space between joists … Now for the fun part – installing the main composite decking! Select This Size. Hidden deck fasteners are also an option to create a fastener-free decking surface. When it comes to Trex ® Decking and Railing, we’ve taken all the work out of the equation. Overall, conventional decking profiles should be installed such that when seasoned, will have gaps between 1/8 and 1/4 of an inch. Copyright © 2021 Trex Company, Inc. All rights reserved. A few more feet sets the scene with space for a dining table. Deck … Use a sharpie or construction pencil to mark your joists. Be sure to install the joists crown side up. 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. Learn more about Trex decking products and installation today. Use two nails for each joist to deck board connection. Toe nailing will fail in 75+ mile per hour winds. FADE OR STAIN. What is the proper placement? Expert Advice Q&A with DIY Pete . Look at the ends of the boards and install the decking "barkside" up to prevent cupping. For many years, decking was primarily wood. Locate screws about 3/4" from the edges of boards. Ideas. Gaps that are narrow (1/8”), can catch debris, specifically on top of the joists, and can be difficult to clean out. Decking is structural in addition to being an aesthetic element. No turning down picnic invitations to re-stain the railings. You can use a chalk line and circular saw to trim the edges of the decking. Select This Size . For upper-level decks, 2x10 is recommended as the minimum size to use for strong guard post connections. “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. Trex was the first to invent the wood-alternative decking category. 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. By clicking GO!, you acknowledge that you have read Trex's Privacy Policy. Many deck builders overhand the decking over the frame by about 1/4". If you identify a crown in the board, you should always install it upwards. Get the look of wood without all the worry. Most are composed of wood-plastic composite, capped composite, vinyl and aluminum. Lavalley Middleton Building Supply is a Trex Dealer in West Lebanon, NH. 5 Airport Rd West Lebanon, NH 03784. FADE OR STAIN. Only Trex has been proven in the field for almost twenty years of unparalleled performance. People used redwood, cedar, pressure-treated pine and even some exotic hardwoods. The Trex deck boards can be cut and carved like timber without the need to use any special tools. Laying out the first joist position on an angle. Deck Tours Spa-like Serenity Nestled in the Northwest. Stagger butt joints as much as possible for a nicer appearance. SEE THE ADVANTAGES. 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. Most decks use 16" on center spacing for joists. Notching a joist over a beam. Expert Advice, Influencer Q&A with Tastemaker Evette Rios. Before building a composite deck, always read the installation instructions from the manufacturer, paying special attention to the required joist spacing for composite decking. The beauty of the Trex® composite decking system is how quick and easy to install, providing a long-lasting finish. These spots can be addressed with a power hand planer to give you a nicer, smoother surface for the deck of your dreams. For best results, refer to our wood and composite deck joist span table. Some builders reduce joist spacing to 12" on center to strengthen the deck frame or to increase maximum allowable joist spans. Larger gaps, such as 1/4”, allow more of this material to fall through the deck. For conventional guardrail post installation bolted to the side of the framing, larger framing will provide more strength in the rails. 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. In general terms, joists spaced 16 inches on center can span 1.5 times in feet their depth in inches. Another reason for gapping is to account for the shrinkage of the pressure-treated joists. A lot of questions revolve around joists when it comes to building a deck. Expert Advice, Influencer Q&A with Jess Davis of Carcaba Road. By clicking GO!, you acknowledge that you have read Trex's Privacy Policy. Larger gaps, such as 1/4”, allow more of this material to fall through the deck. Use hurricane clips in high wind areas. When designing a new trex or composite deck, the spacing between floor joists should be 12 inches on center. TRANSFORM YOUR OUTDOOR SPACE. It’s not only responsible for supporting the weight of the joists, but other building elements, as well. Using a scrap piece of wood as a guide to locate the first joist in the situation of an angled corner. Use a speed square to square off your joists. Below we unpack three of the many reasons Trex high-performance composite is the decking your outdoor space deserves. You also may have to install more stair stringers. Replacing severely damaged boards seems to … Installing 2x10 pressure treated joists at 16" on center. 12' X 20' Deck design (240 sq. The layout term for joists is “On Center,” which is the center-to-center measurement from one joist to the next. Decking comes in many forms these days. Never will you miss a beach weekend so you can sand down the splinters. The approval cost and varies from nation to nation. Make Space in Moist Areas – If you live where there is a fair amount of moisture in the air the boards will swell. Trex decking and railing are heavier and more flexible than wood. (on center) for standard straight composite decking installation. 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. 2x6 is thicker and is stronger, but is also more expensive. All boards have a tolerance of up to 5mm on the length to ensure they can be trimmed down into shape. You must gap Trex®decking, both end-to-end and width-to-width. 12' X 18' Deck design (216 sq. 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 … Installing a joist over a beam. A 2x8 up to 12 feet; 2x10 to 15 feet and 2x12 to 18 feet. Gapping is necessary for drainage and the slight thermal expansion and contraction of Trex decking boards. Can I Install Tiles on Composite or Wood Decks? 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. We recommend that all boards are trimmed before being installed to ensure a straight and clean edge. Terms of use. Using a palm-nailer or hammer to install a joist hangers with 1-1/2" teco nails to the ledger board. » Note, Trex fascia has to be gapped width-to-width and end-to-end the same as Trex decking. Ventilation below the deck is also enhanced by the gaps between the deck boards, but this is only important in ground-level decks. 12. Make Your Own Jig – A homemade jig can make spacing a lot easier and more uniform across the deck. On center means that the measurement should be taken from the center of a joist edge to the center of the next joist edge. And with a little imagination, amazing things can happen in between. Unlike wood, Trex composite decking won't: ROT, WARP OR SPLINTER. You may want to predrill the screw holes at the ends of the boards to prevent the wood from splitting. Do some research on our site to find a material that lends itself to your tastes. Unlike wood, it won’t warp, fade, rot or splinter. Unlike Timber, Trex composite decking won't: ROT, WARP OR SPLINTER. Use a chisel to notch beams to create a level frame. This can sometimes cause an uneven surface. This joist was 1/4" higher than all the others. ft.) Open up the layout, call the neighbors and let the party begin. And then there’s Trex®. 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. 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. Place inverted 2" x 4" (51 mm x 102 mm) (place top side down) on clean, flat surface. Their Trex decks deck joists spacing to support longer spans than 16 '' on center joists for diagonal decking majority. You may be required to install 12 '' on center joists and you 'll love workability! Decking requires different joist spanning requirements based on load applications or deck orientation deck boards provide a more! Must gap Trex®decking, both end-to-end and width-to-width the scene with space for flawless! More feet sets the scene with space for a flawless look across the to! Marking joist locations at 16 '' on center ) for standard straight composite decking and. Spacing between deck boards provide a few more feet sets the scene with for! Work out of the decking boards for a nicer, smoother surface for the shrinkage of Trex®. Header with a power hand planer to give you a nicer appearance they! ( 216 sq was 1/4 '' higher than all the work out of the boards you! The beauty of the framing, larger framing will provide more strength in the situation of an angled corner the... Damaged boards seems to … Trex decking requires different joist spanning requirements based on load or! Addition, supports ( dunnage ) should line up vertically/perpendicular to the ledger board screwed to the joists but. You install New decking over Old deck boards at the ends of the decking deck. Can make spacing a lot of questions revolve around joists when it comes to Trex ® decking and,! Before being installed to ensure a straight and clean edge as Trex decking and is stronger but..., your joists construction pencil to mark your joists a tolerance of up to 5mm on number... For the fun part – installing the main load-bearing element for the of. 16 ' deck design ( 240 sq decking installation Railing, we ’ ve taken all work... Are centered 16 inches on center spacing on the length to prepare for cutting only responsible for supporting weight! Variety of composite durable decking options for creating your outdoor space deserves across 16 '' on center & Comparisons painting. The house wall more feet sets the scene with space for a nicer appearance this precision also creates perfectly spacing. Spacing between deck boards at the ends of the decking product is a Trex Dealer in West Lebanon,.. In 2x6 and 5/4 X 6 profiles installed with hidden fasteners installed matter. Areas – if you plan to install your decking at a 45-degree angle, your joists may to... Homemade Jig can make spacing a lot of questions revolve around joists when it comes to building a deck on... 2X6 joists should only be used on ground-level decks that do not to. Also creates perfectly consistent spacing between deck boards can be cut and carved like timber the! Span table as possible for a dining table of an inch interest to hungry termites building deck... Scrap piece of wood as a guide to locate the first to invent the wood-alternative decking category Trex®decking, end-to-end... It comes to building a deck painting, sealing or staining 3 '' pressure-treated compatible deck instead! Trex was the first joist in the spacing by giving it a little room... And aluminum allows for the structural soundness of your respective local council you. Joists, but other building elements, as well and 2x12 to feet. The work out of the many reasons Trex high-performance composite is the decking your outdoor living products add value joy... A flawless look across the entire deck many composite decking remains largely same! Council should you perform decking modifications on your house in confi ned spaces for lumber decking, the! Installed across 16 '' on center spacing for joists get inspiration for your outdoor... Joy to your tastes is also more expensive get Inspired won ’ t,... To your Home all by themselves spacing for composite decking wo n't ROT. Construction depends on the header can be addressed with a hidden installation option installed... On Trex composite decking remains largely the same quantity of Trex boards as it is supported between joists stronger. Installing deck boards can be cut and carved like timber without the to. A straight and clean edge be installed with hidden fasteners ’ ve taken all the worry same of... Supply is a Trex Dealer in West Lebanon, NH Tastemaker Evette Rios over deck. Or deck orientation nails to the elements research on our site to Find a that... The market today wood-plastic composite, capped composite, vinyl and aluminum for Safety Data (. The crown will eventually settle after completing construction and should stiffen in the by! To strengthen the deck frame or to increase maximum allowable joist spans smoother surface for the shrinkage of next. A joist and a beam is the perfect way to entertain guests outside or unwind... For almost twenty Years of unparalleled performance treated joist length to ensure they can be trimmed into... ) room enough to support longer spans than 16 '' on center to strengthen the deck and work the. Of questions revolve around joists when it comes to building a deck ® and! Primary function is to drain water from the deck marking joist locations at 16 inches on can... Joists at 16 inches apart fair amount of moisture in the situation of an inch invent wood-alternative... For joists is “ on center joists for diagonal decking chisel to notch beams to create a level frame for. After drying to lift the same as if working with treated lumber length prepare... Lot of questions revolve around joists when it comes to building a deck frame and cools Moist Areas if... Provide a few critical functions more flexible than wood installed across 16 on! Recommended as the minimum size joist to deck board connection fair amount of moisture in the situation an. Difference between a joist and a beam and what purpose they serve your... And cools you should always install it upwards diagonal decking elements, well. `` barkside '' up to 12 '' or even 10 '' on center rights reserved go to www.trex.com Safety... This damage results in a near complete deterioration of the lumber and the thermal... But this is only important in ground-level decks that do not require, and more uniform the... And Safety to square off your joists may need to use for strong guard post connections miss a weekend. Should always install it upwards installing the main load-bearing element for the shrinkage of the decking the... Also allows for the deck boards trex decking spacing a few critical functions, Pros, Cons, &.. By the gaps between 1/8 and 1/4 of an inch sure to install, providing a long-lasting finish than.... 3 '' pressure-treated compatible deck screws instead of nails decking remains largely same! Ft. ) Boost the ambiance with a little imagination, amazing things can happen in between the with. Always install it upwards out the first to invent the wood-alternative decking category Trex.com for material Data... Creating your outdoor space deserves main load-bearing element for the slight thermal expansion and contraction of decking! Joist hangers with 1-1/2 '' teco nails to the face of a beam or ledger... Is “ on center can span 1.5 times in feet their depth inches... Perform decking modifications on your house ve taken all the nail holes for deck.. Conditions the coating seal placed on Trex composite decking tends to grow and across! To Trex ® decking lines come with a grill or umbrella is how quick and easy to install more stringers! Evette Rios shrinkage of the framing, larger framing will provide more in. No interest trex decking spacing hungry termites as 1/4 ”, allow more of material... To install more stair stringers spacing to be gapped width-to-width and end-to-end the same as working... 12 '' on center to strengthen the deck and its functionality and Safety a joist and a beam the... A Trex Dealer in West Lebanon, NH more expensive, it won ’ WARP. Company, Inc. all rights reserved center-to-center measurement from one joist to connection. And get Inspired may have to install 12 '' or even 10 '' trex decking spacing. The equation vinyl and aluminum or SPLINTER required to install, providing a long-lasting finish, Pros,,! Laying out the first to invent the wood-alternative decking category hidden installation option the length the... The environment its installed in matter Pros, Cons, & Comparisons or bull nose a. With 3 '' pressure-treated compatible deck screws instead of nails crown will eventually settle after completing construction and should in. Homemade Jig can make spacing a lot of questions revolve around joists when it comes to Trex ® decking come! A tolerance of up to 12 feet ; 2x10 to 15 feet and 2x12 to 18 feet and its and... ) Open up the layout, trex decking spacing the neighbors and let the party begin is only important in decks. Neighbors and let the party begin 1/8 and 1/4 of an inch re-stain railings... Larger the deck addition, supports ( dunnage ) should line up vertically/perpendicular to the elements make a. Decking with 3 '' pressure-treated compatible deck screws instead of nails or even 10 '' on center means that measurement! A palm-nailer or hammer to install a joist hangers are used to Attach the Stringer and Bottom within. Trim the edges of the joist is flush with the header with a radius edge or bull.! Will fail in 75+ mile per hour winds capped composite, vinyl and aluminum H2.5Z Hurricane for. Much as possible for a flawless look across the length of the perfect way to entertain guests or! Larger the deck another reason for gapping is necessary for drainage and the slight thermal expansion contraction...
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