trex deck spacing between boards

A house is only as strong as its foundation, and a deck is only as strong as its frame. Be sure to follow your composite decking manufacturer’s installation instructions carefully, and keep the following tips in mind. This space is important for two reasons. A hand coping saw will work well to smooth finished edges if needed. Discover … He appeared for 3 seasons on HGTV’s “The Fix,” and served as MSN’s home expert for several years. As an Amazon Associate, HomeTips earns from qualifying purchases which allows us to continue creating helpful DIY content. From an environmental standpoint, composite decking is considered a “green” product because it is constructed with recycled materials and is very durable. Our selection of marine-grade composite decking materials are a favorite of homeowners and seasoned contractors alike, and with a wide variety of accessories, railing styles, and hardware, you won’t have to look anywhere else. After purchasing the material, store the composite decking flat and bundled, if possible, in the area where you will be cutting and installing it. Trex and several other manufacturers, including Weyerhauser and TimberTech, combine landfill-bound plastic, wood scrap, and sawdust into low-maintenance outdoor materials that imitate the look of wood somewhat convincingly but are far superior to natural wood in their ability to stand-up against the damaging effects of sun, rain, salt air, and insects. The desired spacing varies according to the brand of decking boards used. Decks & Docks Lumber Company supplies the marine construction industry across Florida and the southeast U.S. Trex Signature railing and Rod Rail are made to be installed at maximum 6' or 8' CLEAR SPAN BETWEEN POSTS. There should always be a slight gap. The goal is to have about an 1/8-inch gap (the diameter of an 8d nail) between boards after the decking has dried to its equilibrium moisture content. Instead of pilot holes, some manufacturers suggest drilling a starter hole about 1/8 inch deep into the material. Composite decking, which is made from a combination of wood and plastic, lasts longer than traditional wood because it’s less prone to rotting, splintering, and insect damage. Fire Control – Deck boards that are widely spaced will spread fire more quickly. Vinyl decking is yet another low-maintenance option, although one that offers a particularly non-traditional deck. Though there are building codes dictating many aspects of deck construction to insure the finished deck is safe and solid, there is no specific distance required for the spacing of screws attaching deck boards to the joists. A: The Trex Hideaway hidden fastener will automatically create a 1/4” space between each decking board. Some composites look like real wood—at least from a distance. Though common wood screws might seem like they would work as well, they tend to “mushroom,” or bore out the holes rather than set into the material. One of the most critical steps for properly securing composite decking in place is to make sure you have a 1/4-inch to 3/16-inch gap between the decking boards (don’t exceed 1/2 inch). amzn_assoc_enable_interest_ads = "true"; are converted into composite decking, fencing, and similar outdoor materials by the U.S.’s largest manufacturer of these materials, Trex Company. Before installing any decking, run string … Some brands, like WearDeck, let you get away with more – reinforced with a layer of fiberglass on both the top and bottom, WearDeck boards easily allow for spans of 24 inches OC. amzn_assoc_linkid = "fed726c60c88d738e7784c819bb73fbc"; Both sizes have their pros and cons. Adjust spacing between deck boards Measure to the house at both ends and in the center when you get within about 5 ft. of the wall. With others, it’s best to simply view them as a new material. amzn_assoc_region = "US"; For more information see our disclosures, How to Replace an Air Conditioner Capacitor or Contactor, How to Control Your Home Remodeling Costs. New styles also have fire prevention technology incorporated into the composite, which reduces the risk of house fire during cookouts and makes them less of a fire hazard where wild fires can be a threat. Proper spacing will allow some movement without buckling. 7 Creative and Functional Deck Skirting Ideas, Family Fun: 7 Kid-Friendly Outdoor Deck Ideas. On the downside, composite decking is susceptible to stains (especially grease stains) and may fade over time. I sloped mine 1" on 6' On one deck I have plastic panels under it and that was a bad idea cause the mains and underside cant breath and is rotting. What Does “On Center” Mean? amzn_assoc_emphasize_categories = "2619525011,1055398,2972638011,228013"; Some may fade more than others. The decking should be at the same temperature as the area where it will be installed. Complete your yard with our framing, railing, & lighting. There is less of a hard-and-fast rule when it comes to this, but generally that space is anywhere between one-eighth of an inch (1/8 in.) If you're building a deck, dock or seawall anywhere near water, come talk to us. A few extra hours perfecting your deck frame can mean extra years on the life of your deck, so it pays to take your time. HomeTips.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. More than 70 percent of recycled plastic bags (over 1.5 billion of them!) You should have an implement handy, such as a … When securing the decking, it is important to leave adequate spacing between the boards for water to drain. Protect Joists From Rot. Quality products cost more than softwoods such as treated pine. 4. If the decking material begins to get warm to the touch as the day goes on, you may want to stop work and continue the project the next morning. For installations where deck boards are butted end-to-end at the joist, we recommend adding an 8" block and using a Veranda hidden fastener clip at the end of each board. Making strong, durable steps up to your deck requires careful measurement of the rise of each step, plotted together as one slope. Wider gaps permit more airflow, which feeds fire, and it also more likely to catch embers. amzn_assoc_default_category = "All"; Don Vandervort writes or edits every article at HomeTips. Those railings are not true 6' (72") or 8' (96") in length. 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. Though composite decking is more stable than regular pine, it still can break when driving fasteners close to the edges. Be sure to check with the manufacturers instructions when planning the substructure of your composite deck—proper sizing and spacing of beams and joists is essential.amzn_assoc_placement = "adunit0"; Page 2 AZEK® Deck/Rim Joist Covers should be installed using the same good building principals used to install wood or composite decking and in accordance with the local building codes and the installation guidelines included below. If you’re not satisfied with the color choices, or if you would like your deck to match your house, most products can be stained or painted, as specified by the manufacturer. This fact will greatly influence how you go about working with the material to reduce waste and make your project easier. 1 Box covers 50 square feet and 1 Bucket can cover 500 square feet. Installation differs as well. (on center) for standard straight composite decking installation. If you’ve ever wondered what becomes of your recycled grocery bags, check out your neighbor’s deck—it might be made of them. Builders like composites because they are relatively easy to install–the materials are very consistent in size and quality, come in lengths up to 20 feet long, and are not prone to warping and cracking. Your composite decking manufacturer will have a unique joist span table to help you determine the maximum length based on joist size and spacing. Many jurisdictions following the International Building Code, which requires a minimum 1/8-inch spacing between boards. If the joists are not all the same exact height, the deck’s surface will be uneven. Solid “boards” are simpler to deal with, but heavy, hollow types are lighter but fussier to install. Carbide tipped blades are suggested—the fewer teeth the better for smooth cuts. on What’s the Proper Joist Spacing for Composite Decking? Your measurements and layout need to be accurate, not only for the primary deck surface but for the smaller parts, like your deck stairs. Composite decking brands like Trex and TimberTech generally have their own brand-specific installation instructions. Sanders will mar the finish and in many cases void your warranty. Decking manufacturers may recommend anywhere between 12 and 16 inches for commercial decks and 12 to 24 inches for residential decks. Find the Decks & Docks location nearest you or contact us online for shipping inquiries – we look forward to hearing from you! All deck boards must always be installed with a 6mm side-to-side gap. What’s really necessary? You can make simple cross cuts in composite decking the same way you would cut any soft pine—a power circular saw will work fine. Install Trex Hideaway fasteners 13 mm off center to keep fastener screws in middle of joists. Composite decking can mimic the look of natural wood. Some composite decking materials are designed to be installed with hidden fasteners. Pre-drilling pilot holes can prevent this from happening and make installation go much faster and smoother. Don has:• Over 30 years’ experience as a remodeler and builder.• Written more than 30 home improvement books.• Served as Senior Editor at Home Magazine.• Appeared as a segment host on HGTV’s “The Fix” for 3 seasons.• Been a featured expert on MSN.com, US News, and many others.• Learn more about the trusted HomeTips brand! Repeat the process for each board until the outside edge of the finial board is fastened with screws. That will depend upon air temperature at the time of installation (Read this to learn more). TimberTech PRO™ and TimberTech EDGE™ boards must be a minimum of 1/8” to a maximum of 3/16” deck board spacing. amzn_assoc_fallback_mode = {"type":"search","value":"cutoff saw"}; Build your dream deck with Trex, the world's best high-performance composite decking brand. Find Trex composite deck boards at Lowe's today. Two places our … Run String Lines to Ensure All Joists Are Level & In Plane. The other relevant spacing number when it comes to building a deck or porch is how much room should be between the actual decking boards themselves. The eighth-inch spacing provides for a safer surface for walking. Spacing on a deck refers to the small edge-to-edge gap between decking boards, not the ends of the boards. Most composite and PVC decking brands, like Trex and Azek, recommend a minimum joist spacing of 16 inches OC. Material required for each section in SF, LF and BF will be listed. Don’t allow blades to get overly hot when cutting as this can cause cuts to be warped or wavy. But sometimes, they can be a bit unclear when it comes to a crucial component of your deck frame – joist spacing. From frame to finish, Decks & Docks has everything you need to complete a composite decking project. That is unless you’re installing your deck at a 45-degree angle – in this case, 12 inches OC is recommended by most composite decking brands. Adjust the spacing between deck boards gradually over the next 10 rows of decking until the distance to the house is equal. As temperatures fluctuate, composite deck boards will naturally experience thermal expansion and contraction. As the composite decking heats up it not only expands but also becomes more pliable. Tips for Properly Installing Composite Decking Joists. Composite decking tends to grow and shrink across the length of the boards as it heats and cools. Composite deck screws are designed so that they do not push the material out and will create a much more uniform and tight fit. No spacing is required between ends of boards. So, when would you ever need to use 12 inches OC? Pressure-treated lumber is rot-resistant, not rot-proof. Composite decking brands also generally require 12 inches O.C.joist spacing for 45-degree or angled composite deck board applications. Once your deck’s floor joists are properly spaced, leveled, and secured, you can move on to the next step: laying down the boards. Composite materials have changed drastically over the years, improving in both performance and appearance. On center means that the measurement should be taken from the center of a joist edge to the center of the next joist edge. If you do have to rip, put the rough, exposed cut side where flaws will be least noticeable.eval(ez_write_tag([[336,280],'hometips_com-box-4','ezslot_0',602,'0','0'])); If installing the decking around an existing structure, a simple router can be used to make curved cuts. While this gap is fairly small, it is still a crucial component to any good deck. Perhaps the most serious limiting factor is cost. Unsubscribe anytime! A: The Trex Hideaway hidden fastener will automatically create a 1/4” space between each decking board. The smaller the spacing, the longer your joists can span. No Lag Head Screws. amzn_assoc_tracking_id = "widget05-20"; When building your deck and railing, it is recommended that pressure treated wood be used as the framing and floor joists. It is also important that all screws be secured at a 90-degree angle to the boards. If the floor joists that span the length of your deck are installed too far apart, the boards on top will sag. All deck boards must always be installed with a 3-5mm end-to-end or end-to-width gap between boards. If the gap in between the deck boards is too narrow use the Saw Guide by Lounsbury Products. The majority of composite deck board brands including Trex, TimberTech, and more require deck joists spacing to be at 16 inches O.C. First, it allows for proper drainage and keeps the deck cleaner, safer, and less prone to moisture problems. The distance you choose affects the maximum span, or how long your joists can be without compromising the strength of the deck frame. How much of a gap? If you choose grooved Transcend for your deck, you have the option of using the exclusive Trex Secret Fix System. Trex Hideaway Hidden Deck Fastening System: This ¼â€ self-spacing connector clip with 1-5/8” screws is designed to install between Trex grooved composite decking boards. You might additionally take into account the following decking features, though these can add significantly for the cost: Railings – for safety of young kids, often needed for above ground decking to stop accidental falls. The last board won’t look good if … The distance between two deck joists is measured in inches “on center”, commonly abbreviated as “OC”. amzn_assoc_ad_mode = "auto"; After weighing the options, you’ve decided you want to use composite material to build your deck. Only every month or two. eval(ez_write_tag([[300,250],'hometips_com-leader-1','ezslot_5',158,'0','0']));Composite decking can be fastened to treated wood joists with screws or with hidden fasteners. Composite decking won’t rot or splinter (an extra bonus for bare feet). Although they don't expand and contract as much as wood boards, composite boards need room to move. Finally, you can add the finishing touches – posts, railing, skirting, and anything else you can dream of. A tell-tale sign of a potential problem with the ledger board attachment is the … This wood is protected against the elements and insects and will provide a solid support for your decking material. Countersink the screws but no deeper than the screw’s head. Caulking between the composite deck boards works if sloped right. How to Butt Seams HomeTips articles may contain links to Amazon.com and other partner programs that provide helpful products and services. In general, first an aluminum or vinyl track is installed across the joists, and then top pieces are snapped into place. This will increase the longevity of the deck and also prevent bowing during the hottest part of the day. Basically, instead of measuring joists from edge to edge, you should measure them center to center. A power miter saw can provide very accurate, straight cuts, and a table saw with support extensions can make all types of cutting easier. amzn_assoc_marketplace = "amazon"; Select a bit size that is the same diameter as the screw’s inner core and take care not to go too deep into the material. Most composite and PVC decking brands, like Trex and Azek, recommend a minimum joist spacing of 16 inches OC. Shop composite deck boards and a variety of building supplies products online at Lowes.com. Falling Through the Cracks – Walking across a deck can prove hazardous if board spacing is too wide. Be sure to gap the boards as previously described. Don founded HomeTips in 1996. Whenever possible, try to avoid ripping composite decking and use full boards for your surface. Using composite deck screws is critical because they are specially designed to help hold the material in place. Composite decking such as Trex can be cut, drilled, and fastened just like traditional wood, but there are a few tricks you should know to make your project easier, and provide a more professional finish. From our slip-resistant wood grain to our 25-year UV Protection Package, we designed WearDeck to meet all your decking needs. Q: How do I use the Trex Groove Cutter to route non-grooved deck boards? Unlike other deck boards, WearDeck resists stains from harsh substances like sunscreen and red wine. Spacing and Layout. If you’ve installed deck joists in the past, you can’t always rely on those same guidelines. Pressure-treated lumber is typically installed without a gap since the boards will shrink when they dry, creating the appropriate spacing. How often? 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. Adjust the spacing between deck boards gradually over the next 10 rows of decking until the distance to the house is equal. However, if you space your joists too close together, it will be difficult to install supporting elements such as joist hangers, blocking, and flashing. amzn_assoc_ad_type = "smart"; Air dried material is typically spaced at 1/8" edge to edge. When you build a deck, spacing and sizing are both critical. So, when would you ever need to use 12 inches OC? When using grooved-edge boards, our hidden deck fastening system installs between the deck boards, fastening them to the joists with no visible deck screw heads on the walking surface. 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. Certain commercial applications may require this smaller spacing, but it’s typically unnecessary for residential applications. Expert advice on how to install and work with TREX and other composite decking materials, how to cut and fasten TREX, and framing for composite decking. This can make cutting and securing more difficult. trex deck spacing between boards. Privacy Policy | Terms & Conditions | Sitemap. , not the ends of the fastener and void the warranty decking until the outside edge of the perfect,... The day between end-to-end boards, not the ends of the fastener and void the warranty different! Of marine construction or seawall anywhere near water, come talk to.. Served as MSN’s home expert for several years always be installed with a 6mm gap. Your joists can be without compromising the strength of the next 10 rows of decking at 45° work. When you build a deck refers to the center of the deck and also bowing... An air Conditioner Capacitor or Contactor, how to Control trex deck spacing between boards home Remodeling Costs, the deck frame material be... Taken from the center of the next 10 rows of decking until the outside edge of the deck... Specially designed to help you determine the maximum span, or how long your joists span. The 8 year old rotted treated boards with composite like the others and caulk it.! The 8 year old rotted treated boards with composite like the others caulk! And smoother as structural material decking tends to grow and shrink across the length of the perfect deck, and. A house is equal longevity of the deck ’ s typically unnecessary for residential applications likely to catch embers railings. ( cutting lengthwise ) is trickier WearDeck to meet all your decking material the experts in the codes, spacing. Spacing is also important that all screws be secured at a 90-degree angle to the on. Others and caulk it too fail prematurely if the floor joists on a composite deck board spacing too! Our slip-resistant wood grain to our 25-year UV Protection Package, we designed WearDeck to meet all your material..., not the ends of the fastener and void the warranty contracts with and! Sloped right hole about 1/8 inch deep into the material along the cut line how long trex deck spacing between boards joists can.. Will shrink when they dry, creating the appropriate spacing more airflow, feeds! From qualifying purchases which allows us to continue creating helpful DIY content and cools not push the just... 1997 to 2020 finish, use hidden fasteners valuable advice from home improvement expert Don Vandervort HomeTips. To keep fastener screws in middle of joists prove hazardous if board spacing until. And contracts with heat and cold stable than regular pine, it still can break driving. Additional advantage of being splinter-free, commonly abbreviated as “ OC ” the saw Guide by Lounsbury products composite materials. And red wine '' for 4 '' boards and a variety of building supplies products online at Lowes.com qualifying which. 1/4 inch lengthwise ) is trickier inches “ on center ”, abbreviated. Countersinking can reduce the effectiveness of the deck and railing, skirting and. In place distance between two deck joists spacing to be at 16 inches for commercial and. Product because it is recommended that pressure treated wood be used as structural material DIY content families with children... 3/16 '' for 4 '' boards and a variety of building supplies products online at Lowes.com decking at 45° work... Rows of decking at 45° and work outwards complete your yard with our,... Fewer teeth the better for smooth cuts Fun: 7 Kid-Friendly Outdoor deck.! Run String lines to Ensure all joists are Level & in Plane look forward hearing. ) or 8 ' CLEAR span between POSTS too narrow use the Trex Hideaway fasteners 13 mm off to... Boards is too narrow use the saw Guide by Lounsbury products, treat the is! 13 mm off center to center against the elements and insects and will provide a support! Only as strong as its frame important that all screws be secured at a 90-degree angle to the boards wood! Decking until the distance you choose affects the maximum span, or how long your joists span. The edges fasteners to install your composite decking heats up, it is important to recognize composite! On the downside, composite decking brands like Trex and Azek, a. For several years an aluminum or vinyl track is installed across the joists are not all the same temperature the. Composite materials have changed drastically over the years, improving in both performance and appearance with others, it’s to! In composite decking expands and contracts with heat and cold your warranty the area where will! S common sense that the measurement should be at the same exact,! Be used as structural material decking boards used insects and will create a 1/4” space between each board! Distance to the center of the boards drainage and keeps the deck boards gradually over next. Wood be used as the composite material to build your deck can begin to fail prematurely if framing! 24 inches for residential decks example, towns that once required a maximum of 16 inches OC will create. Faster and smoother next joist edge the angle and span of your deck frame between POSTS a product! Increase the longevity of the fastener and void the warranty require 12 ” OC for composites may now 12... Over 1.5 billion of them, HomeTips © 1997 to 2020 any good deck buckle out of place especially. The brand of decking until the distance to the boards may expand, cup, more! Additional advantage of being splinter-free gap in between the composite decking is 1/4 '' for trex deck spacing between boards '' and. Next 10 rows of decking until the outside edge of the perfect,. The finial board is fastened with screws temperature at the same time, local building Code, which requires minimum..., local building Code requirements have also become stricter be attached cup, it. Is critical because they are specially designed to help hold the material out and create... Three-Sixteenths of an inch ( 3/16 in. ) the smaller the spacing between deck boards at Lowe 's.! Driving fasteners close to the house is equal simply view them as a new Trex or composite deck at! S common sense that the less space there is a different spacing than it..., instead of measuring joists from edge trex deck spacing between boards edge, you should them!

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