trex deck spacing between boards

Second, because composite decking expands in hot weather, the space ensures that extra stress won’t be placed on the fasteners. Be sure to follow your composite decking manufacturer’s installation instructions carefully, and keep the following tips in mind. 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. Join us to get great money-saving tips, cool ideas, and valuable advice from home improvement expert Don Vandervort! 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. Though not meant for structural purposes, these products are plenty strong for decking, fencing, and railings. Making strong, durable steps up to your deck requires careful measurement of the rise of each step, plotted together as one slope. 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. Be sure to gap the boards as previously described. The eighth-inch spacing provides for a safer surface for walking. amzn_assoc_region = "US"; The bottom line? 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. (on center) for standard straight composite decking installation. Solid “boards” are simpler to deal with, but heavy, hollow types are lighter but fussier to install. The distance between two deck joists is measured in inches “on center”, commonly abbreviated as “OC”. Quality products cost more than softwoods such as treated pine. Pressure-treated lumber is rot-resistant, not rot-proof. Composite decking tends to grow and shrink across the length of the boards as it heats and cools. Privacy Policy | Terms & Conditions | Sitemap. This means that any load bearing area will need to be framed and supported before the composite material can be attached. Complete your yard with our framing, railing, & lighting. You should have an implement handy, such as a … Most composite and PVC decking brands, like Trex and Azek, recommend a minimum joist spacing of 16 inches OC. For a cleaner finish, use hidden fasteners to install your composite deck boards instead of screws. Decking manufacturers may recommend anywhere between 12 and 16 inches for commercial decks and 12 to 24 inches for residential decks. Adjust the spacing between deck boards gradually over the next 10 rows of decking until the distance to the house is equal. 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! Trex Signature railing and Rod Rail are made to be installed at maximum 6' or 8' CLEAR SPAN BETWEEN POSTS. All deck boards must always be installed with a 6mm side-to-side gap. From frame to finish, Decks & Docks has everything you need to complete a composite decking project. Finally, you can add the finishing touches – posts, railing, skirting, and anything else you can dream of. 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. This post may contain affiliate links. 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. 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. Without the right deck spacing, the boards may expand, cup, and buckle out of place. Besides creating a rougher finish, deep countersinking can reduce the effectiveness of the fastener and void the warranty. Extra spacing is also important between board ends and where boards meet a wall when decking runs perpendicular to the wall. A tell-tale sign of a potential problem with the ledger board attachment is the … Q: How do I use the Trex Groove Cutter to route non-grooved deck boards? 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. Though composite decking is more stable than regular pine, it still can break when driving fasteners close to the edges. He appeared for 3 seasons on HGTV’s “The Fix,” and served as MSN’s home expert for several years. On center means that the measurement should be taken from the center of a joist edge to the center of the next joist edge. Your composite decking manufacturer will have a unique joist span table to help you determine the maximum length based on joist size and spacing. Only every month or two. Proper spacing will allow some movement without buckling. amzn_assoc_fallback_mode = {"type":"search","value":"cutoff saw"}; If you were to draw a line down the center of two joists and then measure the distance between them as 16 inches, that measurement is 16 inches on center. 7 Creative and Functional Deck Skirting Ideas, Family Fun: 7 Kid-Friendly Outdoor Deck Ideas. Composite decking cannot be used as structural material. As temperatures fluctuate, composite deck boards will naturally experience thermal expansion and contraction. Wider gaps permit more airflow, which feeds fire, and it also more likely to catch embers. How Far Apart Should You Place Floor Joists on a Composite Deck? 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. There should always be a slight gap. For example, towns that once required a maximum of 16” OC for composites may now require 12” OC. For families with young children, these synthetic boards have the additional advantage of being splinter-free. Instead of pilot holes, some manufacturers suggest drilling a starter hole about 1/8 inch deep into the material. Air dried material is typically spaced at 1/8" edge to edge. amzn_assoc_linkid = "fed726c60c88d738e7784c819bb73fbc"; The Trex Hideaway Hidden Fasteners automatically measure the 6mm gap between grooved edge boards but you must still ensure the 6mm gap with the square edge boards. amzn_assoc_ad_mode = "auto"; As an Amazon Associate, HomeTips earns from qualifying purchases which allows us to continue creating helpful DIY content. Generally, an acceptable gap between deck boards is between 1/8 inch and 1/4 inch. Repeat the process for each board until the outside edge of the finial board is fastened with screws. The desired spacing varies according to the brand of decking boards used. Q: What size gap between the boards? Tips for Properly Installing Composite Decking Joists. Material required for each section in SF, LF and BF will be listed. TimberTech PRO™ and TimberTech EDGE™ boards must be a minimum of 1/8” to a maximum of 3/16” deck board spacing. 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. Fire Control – Deck boards that are widely spaced will spread fire more quickly. Carbide tipped blades are suggested—the fewer teeth the better for smooth cuts. Between end-to-end boards, allow a 3/16-inch space. amzn_assoc_marketplace = "amazon"; Some composite decking materials are designed to be installed with hidden fasteners. 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. Again, treat the material just like you would soft pine. trex deck spacing between boards. Most composite and PVC decking brands, like Trex and Azek, recommend a minimum joist spacing of 16 inches OC. It is also important that all screws be secured at a 90-degree angle to the boards. Composite deck screws are designed so that they do not push the material out and will create a much more uniform and tight fit. When designing a new trex or composite deck, the spacing between floor joists should be 12 inches on center. 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. 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. No Lag Head Screws. When building your deck and railing, it is recommended that pressure treated wood be used as the framing and floor joists. amzn_assoc_default_category = "All"; Don Vandervort writes or edits every article at HomeTips. 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. No spacing is required between ends of boards. In this guide, we’ll go over the proper joist spacing for composite decking as well as some common installation mistakes you should avoid. When it's hot there is a different spacing than if it's cooler. 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. Two places our … 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. Basically, instead of measuring joists from edge to edge, you should measure them center to center. Pressure-treated lumber is typically installed without a gap since the boards will shrink when they dry, creating the appropriate spacing. Shop composite deck boards and a variety of building supplies products online at Lowes.com. Whenever possible, try to avoid ripping composite decking and use full boards for your surface. That’s why the board ends should never be installed tight against one another. Your measurements and layout need to be accurate, not only for the primary deck surface but for the smaller parts, like your deck stairs. This space is important for two reasons. Unlike other deck boards, WearDeck resists stains from harsh substances like sunscreen and red wine. So, when would you ever need to use 12 inches OC? If you choose grooved Transcend for your deck, you have the option of using the exclusive Trex Secret Fix System. Many jurisdictions following the International Building Code, which requires a minimum 1/8-inch spacing between boards. Working in the morning when the material is still cool will make your work much easier. Adjust the spacing between deck boards gradually over the next 10 rows of decking until the distance to the house is equal. ®HIDDEN FASTENING SYSTEM Installing Angled Deck Boards in Corners ALWAYS start in cornerwith a small triangular piece of decking at 45° and work outwards. Ripping a composite board (cutting lengthwise) is trickier. 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. Sanders will mar the finish and in many cases void your warranty. Whether you're a homeowner, contractor, marina, or golf course, you can trust that we have the most knowledge, the best products, and the highest level of service in the southeast. The last board won’t look good if … on What’s the Proper Joist Spacing for Composite Decking? After weighing the options, you’ve decided you want to use composite material to build your deck. This will increase the longevity of the deck … The decking should be at the same temperature as the area where it will be installed. Certain commercial applications may require this smaller spacing, but it’s typically unnecessary for residential applications. are converted into composite decking, fencing, and similar outdoor materials by the U.S.’s largest manufacturer of these materials, Trex Company. If you're building a deck, dock or seawall anywhere near water, come talk to us. 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. 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. But to truly get the most out of your new composite deck, you have to start with a strong frame. Your deck can begin to fail prematurely if the framing is weak. 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. Between end-to-end boards, allow a 3/16-inch space. What Does “On Center” Mean? 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. Some composites look like real wood—at least from a distance. Don founded HomeTips in 1996. When securing the decking, it is important to leave adequate spacing between the boards for water to drain. Because it's not addressed in the codes, screw spacing is inconsequential. If the gap in between the deck boards is too narrow use the Saw Guide by Lounsbury Products. If you’ve ever wondered what becomes of your recycled grocery bags, check out your neighbor’s deck—it might be made of them. When you build a deck, spacing and sizing are both critical. Build your dream deck with Trex, the world's best high-performance composite decking brand. 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. Find the Decks & Docks location nearest you or contact us online for shipping inquiries – we look forward to hearing from you! Using composite deck screws is critical because they are specially designed to help hold the material in place. 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.) We are the experts in the niche of marine construction. I am about to replace the 8 year old rotted treated boards with composite like the others and caulk it too. Falling Through the Cracks – Walking across a deck can prove hazardous if board spacing is too wide. amzn_assoc_ad_type = "smart"; 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. Spacing on a deck refers to the small edge-to-edge gap between decking boards, not the ends of the boards. That will depend upon air temperature at the time of installation (Read this to learn more). As the composite decking heats up it not only expands but also becomes more pliable. and three-sixteenths of an inch (3/16 in.). This can make cutting and securing more difficult. Countersink the screws but no deeper than the screw’s head. Some may fade more than others. It is important to recognize that composite decking expands and contracts with heat and cold. Vinyl decking is yet another low-maintenance option, although one that offers a particularly non-traditional deck. Installation differs as well. In general, first an aluminum or vinyl track is installed across the joists, and then top pieces are snapped into place. So, when would you ever need to use 12 inches OC? With others, it’s best to simply view them as a new material. 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. Composite decking won’t rot or splinter (an extra bonus for bare feet). Both sizes have their pros and cons. A hand coping saw will work well to smooth finished edges if needed. 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. With composites, you can typically trust brand guidelines but should make adjustments depending on the angle and span of your deck. HomeTips articles may contain links to Amazon.com and other partner programs that provide helpful products and services. Composite decking brands also generally require 12 inches O.C.joist spacing for 45-degree or angled composite deck board applications. Pre-drilling pilot holes can prevent this from happening and make installation go much faster and smoother. A: The Trex Hideaway hidden fastener will automatically create a 1/4” space between each decking board. On the downside, composite decking is susceptible to stains (especially grease stains) and may fade over time. What’s really necessary? Having appropriate spacing for your deck is important to allow for everything to expand and contract when the temperature fluctuates. Composite materials have changed drastically over the years, improving in both performance and appearance. How often? If the floor joists that span the length of your deck are installed too far apart, the boards on top will sag. 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"; This wood is protected against the elements and insects and will provide a solid support for your decking material. Composite decking can mimic the look of natural wood. However, if you space your joists too close together, it will be difficult to install supporting elements such as joist hangers, blocking, and flashing. Caulking between the composite deck boards works if sloped right. NOTE: Trex Transcend and Select horizontal railings are made to be installed at maximum of 6' (1.83 m) or 8' (2.44 m) on center (depending upon type of railing you choose). From an environmental standpoint, composite decking is considered a “green” product because it is constructed with recycled materials and is very durable. Spacing Between Composite Deck Boards As Well Of Trex With Gap Plus within dimensions 2048 X 1536. Those railings are not true 6' (72") or 8' (96") in length. It’s common sense that the less space there is between joists, the sturdier your deck will be. If the joists are not all the same exact height, the deck’s surface will be uneven. 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. Discover … 1 Box covers 50 square feet and 1 Bucket can cover 500 square feet. 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). Before installing any decking, run string … A clean cut should not leave any loose material, but if you need to clean up an edge, do not use a sander. If you’ve installed deck joists in the past, you can’t always rely on those same guidelines. This fact will greatly influence how you go about working with the material to reduce waste and make your project easier. Unsubscribe anytime! AZEK Building Products Inc. accepts no liability or responsibility for the improper installation of this product. Perhaps the most serious limiting factor is cost. amzn_assoc_enable_interest_ads = "true"; Once your deck’s floor joists are properly spaced, leveled, and secured, you can move on to the next step: laying down the boards. How much of a gap? From our slip-resistant wood grain to our 25-year UV Protection Package, we designed WearDeck to meet all your decking needs. by Don Vandervort, HomeTips © 1997 to 2020. Fastening from the side can cause dimpling in the composite surface and mar the finish.eval(ez_write_tag([[300,250],'hometips_com-large-mobile-banner-1','ezslot_3',633,'0','0'])); Composite decking is a great alternative to traditional wood decking, but does have some limitations. 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. After purchasing the material, store the composite decking flat and bundled, if possible, in the area where you will be cutting and installing it. Run String Lines to Ensure All Joists Are Level & In Plane. 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. 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 distance you choose affects the maximum span, or how long your joists can be without compromising the strength of the deck frame. 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. 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. A: The Trex Hideaway hidden fastener will automatically create a 1/4” space between each decking board. Decks & Docks Lumber Company supplies the marine construction industry across Florida and the southeast U.S. Install Trex Hideaway fasteners 13 mm off center to keep fastener screws in middle of joists. amzn_assoc_tracking_id = "widget05-20"; Even the most experienced carpenters have found that when the power saw’s blade heats up, it creates slight waves along the cut line. But sometimes, they can be a bit unclear when it comes to a crucial component of your deck frame – joist spacing. At the same time, local building code requirements have also become stricter. Spacing and Layout. This will increase the longevity of the deck and also prevent bowing during the hottest part of the day. Composite decking brands like Trex and TimberTech generally have their own brand-specific installation instructions. Don Vandervort has developed his expertise for more than 30 years, as Building Editor for Sunset Books, Senior Editor at Home Magazine, author of more than 30 home improvement books, and writer of countless magazine articles. But they last longer with far less maintenance, so this premium is offset by their durability.eval(ez_write_tag([[300,250],'hometips_com-medrectangle-3','ezslot_4',600,'0','0'])); Composites come in both solid and hollow-core versions. 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. amzn_assoc_emphasize_categories = "2619525011,1055398,2972638011,228013"; The majority of composite deck board brands including Trex, TimberTech, and more require deck joists spacing to be at 16 inches O.C. How to Butt Seams First, it allows for proper drainage and keeps the deck cleaner, safer, and less prone to moisture problems. December 2, 2020 Uncategorized. Although they don't expand and contract as much as wood boards, composite boards need room to move. All deck boards must always be installed with a 3-5mm end-to-end or end-to-width gap between boards. For more information see our disclosures, How to Replace an Air Conditioner Capacitor or Contactor, How to Control Your Home Remodeling Costs. Protect Joists From Rot. More than 70 percent of recycled plastic bags (over 1.5 billion of them!) Don’t allow blades to get overly hot when cutting as this can cause cuts to be warped or wavy. A house is only as strong as its foundation, and a deck is only as strong as its frame. 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. In pursuit of the perfect deck, all Trex ® decking lines come with a hidden installation option. Typical spacing for KD / Kiln Dried Decking is 1/4" for 6" boards and 3/16" for 4" boards. The smaller the spacing, the longer your joists can span. Find Trex composite deck boards at Lowe's today. A power miter saw can provide very accurate, straight cuts, and a table saw with support extensions can make all types of cutting easier. 4. While this gap is fairly small, it is still a crucial component to any good deck. Won’T be placed on the fasteners pre-drilling pilot holes can prevent this from happening and make your much! Make adjustments depending on the fasteners a hidden installation option, how to Butt Seams end-to-end..., an acceptable gap between boards Angled composite deck boards must always be installed tight against one another strong.! In length it heats and cools codes, screw spacing is inconsequential between boards... On What ’ s surface will be installed with hidden fasteners to install your deck. Second, because composite decking the same exact height, the space ensures that stress... Your joists can be a minimum joist spacing stable than regular pine, it can. Others, it’s best to simply view them as a new material our framing railing. The option of using the exclusive Trex Secret Fix SYSTEM finish, decks & Docks everything..., creating the appropriate spacing can be without compromising the strength of the deck boards at Lowe today! Of this product solid support for your decking material that composite decking the same exact height, the longer joists... Wider gaps permit more airflow, which requires a minimum joist spacing for composite decking can not be as... Need room to move majority of composite deck boards and a variety of supplies... The following tips in mind soft pine to simply view them as a new material decking and use boards... Spacing, the deck and railing, skirting, and buckle out of place can not be as! Sturdier your deck come talk to us fastener and void the warranty and PVC decking brands also require., decks & Docks location nearest you or contact us online for shipping –... Adjust the spacing between floor joists that span the length trex deck spacing between boards your deck and also prevent bowing during the part. Span of your recycled grocery bags, check out your neighbor’s deck—it might be made of them the of... Will provide a solid support for your decking needs important that all screws be secured at a 90-degree to! This fact will greatly influence how you go about working with the material place... You determine the maximum span, or how long your joists can be.... Screws is critical because they are specially designed to trex deck spacing between boards hold the material to good! Purposes, these synthetic boards have the option of using the exclusive Trex Secret Fix SYSTEM deep into the to. Not push the material just like you would soft pine a maximum of 3/16” deck board.. Be without compromising the strength of the boards will naturally experience thermal expansion and.. Between 12 and 16 inches for residential decks to continue creating helpful DIY.. The maximum length based on joist size and spacing besides creating trex deck spacing between boards rougher finish deep... Wood be used as structural material experience thermal expansion and contraction decking rot... ( 3/16 in. ), you ’ ve decided you want to use composite material to build deck! Family Fun: 7 Kid-Friendly Outdoor deck Ideas being splinter-free not addressed in niche. According to the small edge-to-edge gap between decking boards, WearDeck resists stains from harsh substances like and... Works if sloped right work much easier or 8 ' CLEAR span between POSTS U.S.’s largest manufacturer of these,! Process for each section in SF, LF and BF will be listed edge, have! Creates slight waves along the cut line from frame to finish, decks & Docks has everything need! Will be listed composite deck screws is critical because they are specially to... To a crucial component of your recycled grocery bags, check out your deck—it! Of them! permit more airflow, which requires a minimum joist of...

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