Adjust the spacing between deck boards gradually over the next 10 rows of decking until the distance to the house is equal. We’re Social. This is because proper deck board spacing varies based on temperatures at initial installation. If you install your decking using wet boards, pressure-treated decking that has not yet dried out, then you should install them with no gap as a gap will be created as they dry and shrink. Trex Hideaway ® Secret Fixing System. Select This Size. TimberTech AZEK capped polymer boards won’t buckle from expansion due to their material makeup, so no need to add extra space on the ends; this is similar to wood decking. Joist A horizontal structural pressure-treated board that runs from wall-to-wall, wall-to-beam, or beam-to-beam to support the deck floor and decking materials. It can lead to rotting, warping, splitting, and cracking. Simply follow the chart below. • Proper joist spacing is required for proper installation. • Install solid wood blocking between each joist, placed in rows at maximum every 4’ - 6’ within the structure using exterior grade screws. However, if you’d like your deck farther out where there’s more space, you can install a detached deck. What’s really necessary? At the same time, local building code requirements have also become stricter. Out of these cookies, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. Advertisement . How else are capped composite and capped polymer deck board spacing different than a traditional wood deck? With a 20-year warranty from Trex – the world’s #1 deck company — easy-to-install, self-adhesive wall flash is a must-have. • Proper joist spacing is required for proper installation. »Install all downspouts along rim joist and/or ledger board. Typically if you install Trex decking on a 45 degree angle you need 12″ o.c. The distance between two deck joists is measured in inches “on center”, commonly abbreviated as “OC”. For adjoining structures or posts, remember to always allow for a 3/16” minimum gap where the decking meets the structure. Better Deck.™ Superior Technology Sustainability Trusted by the Pros News & Events Our Company TimberTech Brand, Deck Building Resources Technical Resources Installation Help Care & Cleaning Drawings Warranty Information Warranty Support FAQs, Start Your Journey Find a Contractor Where to Buy Cost Calculator. TimberTech® Decking, however, isn’t controlled by the whims of moisture but responds to temperature. When using grooved-edge boards, our Trex Hideaway ® secret fixing system installs between the deck boards, fastening them to the joists with no visible screw heads on the walking surface. But sometimes, they can be a bit unclear when it comes to a crucial component of your deck frame – joist spacing. When using grooved-edge boards, our hidden fastening system installs between the deck boards, fastening them to the joists with no visible screw heads on the walking surface. The bottom line? Notch your composite decking material around rail posts. Trex Decking is Flaking. Most composite and PVC decking brands, like Trex and Azek, recommend a minimum joist spacing of 16 inches OC. Composite materials have changed drastically over the years, improving in both performance and appearance. 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. This means that … If any condition occurs which is attributable to the use of non-recommended fasteners, such condition shall not be covered under Trex’s Limited Warranty. For a more rigid feel, 12” may be preferred. • Install solid wood blocking between each joist, placed in rows at maximum every 4’ - 6’ within the structure using exterior grade screws. Screw should be in line with center of joist. Most deck joists are centered 16 inches apart, which is the maximum deck joist spacing for most low-maintenance decking. Drill a 1"(2.5 cm) hole through post sleeve. 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. Sleeper installation: Minimum joist height is 1.5 in. The expansion and contraction of wood decks are dictated by the moisture content in the air. Installing the Trex RainEscape Deck Drainage System is simple. I want to go with more like 1/8 inch gap. 7 Creative and Functional Deck Skirting Ideas, Family Fun: 7 Kid-Friendly Outdoor Deck Ideas. If you fail to space your boards properly, the consequences can be significant. (DIY) | Fixings) - Demak Simpson … All deck boards must always be installed with a 6mm side-to-side gap. For TimberTech AZEK® Decking it’s recommended to have a minimum 1/8” to 1/4” side-to-side gap between deck boards. No turning down picnic invitations to re-stain the railings. When using grooved-edge boards, our hidden fastening system installs between the deck boards, fastening them to the joists with no visible screw heads on the walking surface. The smaller the spacing, the longer your joists can span. This Trex decking problems fall under the serious category and could mean that your boards need to be replaced. So, what are you waiting for? Joist spacing should never exceed 16” on center. 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. Our best-in-class warranties. Step by Step. Achieving the proper deck board spacing is something we field questions about regularly. Select This Size. Download all decks Fastenmaster FMTR3-212 Complete Guide! Now for the fun part – installing the main composite decking! INSTALLING THE TREX RAINESCAPE DOWNSPOUT »Cut downspouts along one 12" or 16" side of score mark based on joist spacing. Most composite and PVC decking brands, like Trex and Azek, recommend a minimum joist spacing of 16 inches OC. 6. Joist spacing should never exceed 16” on center. Proper side-to-side deck board spacing allows for air, water, and debris to flow around the decking, leading to a long-lasting, low-maintenance deck. For a more rigid feel, 12” may be preferred. The distance you choose affects the maximum span, or how long your joists can be without compromising the strength of the deck frame. Our capped composite and capped polymer boards are low-maintenance and provide long-term performance that you can not only count on but can trust for decades to come. Most detached decks are built at ground level, but some homeowners do go the extra mile and install raised, freestanding decks. (9.5 mm) gap. on What’s the Proper Joist Spacing for Composite Decking? Ⓒ 2020 AZEK Building Products. Spray deck with soap, then follow by gently scrubbing each deck board with a soft bristle brush. But to truly get the most out of your new composite deck, you have to start with a strong frame. ft.) Boost the ambiance with a grill or umbrella. Be sure to follow your composite decking manufacturer’s installation instructions carefully, and keep the following tips in mind. View the video, follow the step-by-step instructions, and/or download the installation sheet. 11. It’s typically predetermined by the fasteners used during install. I'm going to use Cortex fasteners (the ones with the matching Trex plugs) because I want a nice clean surface with no visible fasteners. This precision also creates perfectly consistent spacing between the boards for a flawless look across the entire deck. A few more feet sets the scene with space for a dining table. 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. Deck Materials. Your clients will love its ease and comfort, and you'll love its workability, unlimited design potential. 2. However, it is recommended to keep TimberTech AZEK Decking as cool as possible when installing with direct sun exposure. For TimberTech AZEK® Decking it’s recommended to have a minimum 1/8” to 1/4” side-to-side gap between deck boards. Read on for quick guidelines that will keep your project moving and the necessary knowledge for end-to-end and side-to-side spacing for TimberTech AZEK® as well as TimberTech PRO™ and TimberTech EDGE™ Decking. • Install solid wood blocking between each joist, placed in rows at maximum every 4’ - 6’ within the structure using exterior grade screws. This site uses cookies to ensure you get the best experience. Trex fasteners require 1/4 gap, which is fine for a deck but not my desired look on a front porch. In pursuit of the perfect deck, all Trex ® decking lines come with a hidden installation option. Poorly spaced … Water drainage and airflow are critical to deck board spacing because mold and moisture damage threaten to ruin your deck’s aesthetics, substructure, and life span – especially with wood decks. We believe in beautiful homes — and that includes the planet. Real projects. 2. Once your deck’s floor joists are properly spaced, leveled, and secured, you can move on to the next step: laying down the boards. This finishing touch is now available to match every Trex decking option—so whatever you choose, we’ve got you covered. These guidelines help facilitate airflow, allow for water drainage, and avoid debris buildup that leads to rot or moisture damage in traditional, pressure-treated lumber. I'm going to use Cortex fasteners (the ones with the matching Trex plugs) because I want a nice clean surface with no visible fasteners. Pressure-treated lumber is typically installed without a gap since the boards will shrink when they dry, creating the appropriate spacing. (DIY) | Fixings) - Demak Simpson … For example, towns that once required a maximum of 16” OC for composites may now require 12” OC. NOTE: DO NOT install Riser Light or Deck Rail Light into top or bottom rails or balusters. I want to go with more like 1/8 inch gap. Decking Installation Best Hidden Fasteners for Decking. They rest on a solid foundation and are attached to the deck with hangers. You also have the option to opt-out of these cookies. Following the proper gapping will ensure that your deck looks great year after year. 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. 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. product, you should review Hidden Fastening System, which Mistakes to Avoid 26.07.2019 decking directly to any Beautiful Trex Before and backyard space to - DecksDirect 26.07.2019 — avoid when installing composite 2-1/2" Trapease 3 Composite like wood ones. Build your dream deck in Australia with Trex, the world's best high-performance & low maintenance composite decking brand. Watch a video on how to install decking. 12' X 16' Deck design (192 sq. Compare real TimberTech samples to get a better sense of color, style, and material. Adjust the spacing between deck boards gradually over the next 10 rows of decking until the distance to the house is equal. 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. Double joist and secure double blocking are always required at the end joists when using hidden clips, like CONCEALoc® or FUSIONLoc®. All Rights Reserved. (IN I'm in Georgia where the temps are in the 80s right now. Trex Deck Commercial Installation Photo Gallery . But opting out of some of these cookies may have an effect on your browsing experience. Cover the Drive DO NOT start at the house commencing on your Trex Decking. TimberTech trademarks, service marks, or trade names are protected and may not be used, copied, or imitated without prior written permission. When designing a new trex or composite deck, the spacing between floor joists should be 12 inches on center. Step by Step. deck joists. (38.1 mm), installed level, in the direction of water runoff and directly to a solid sub- structure. product, you should review Hidden Fastening System, which Mistakes to Avoid 26.07.2019 decking directly to any Beautiful Trex Before and backyard space to - DecksDirect 26.07.2019 — avoid when installing composite 2-1/2" Trapease 3 Composite like wood ones. In pursuit of the perfect deck, all Trex® decking lines come with a hidden installation option. Tips for Installing to any solid surface with a hidden fastening Installing your Deck — first board. deck joists. Shopping for ideas to create the perfect deck for your business or commercial space? Your deck can begin to fail prematurely if the framing is weak. (DIY) | Fixings) - Demak Simpson … Connector Clip Hidden fastener used between deck boards to secure positioning. It does not matter if you want an elevated TREX deck installation or one that sits flush to your yard, we can do it all. Adjust support blocks (dunnage) accordingly if … With a 20-year warranty from Trex – the world’s #1 deck company — easy-to-install, self-adhesive wall flash is a must-have. If you’ve installed deck joists in the past, you can’t always rely on those same guidelines. INSTALLING THE TREX RAINESCAPE DOWNSPOUT »Cut downspouts along one 12" or 16" side of score mark based on joist spacing. Check out all our RSB videos. )!TTACHEACH23"TOTHEPOSTUSINGTWO (5 cm) tan screws provided. It’s there that you’ll find in-depth instructions, tips, and best practices for installing capped polymer and capped composite decking. Proper side-to-side deck board spacing allows for air, water, and debris to flow around the decking, leading to a long-lasting, low-maintenance deck. I'm in Georgia where the temps are in the 80s right now. DOWNSPOUT SHOULD EXTEND AT LEAST 1" INTO THE GUTTER SIDE VIEW TEAR OUT OPENING AS MARKED ON THE DOWNSPOUT. If you install your decking using wet boards, pressure-treated decking that has not yet dried out, then you should install them with no gap as a gap will be created as they dry and shrink. )!TTACHEACH23"TOTHEPOSTUSINGTWO (5 cm) tan screws provided. Cover the decking edges. A few more feet sets the scene with space for a dining table. I'm installing Trex Enhanced Saddle on my front porch. In the simplest terms, wood decks are not built in climate-controlled environments and are susceptible to expansion and contraction due to moisture. What Does “On Center” Mean? Gapping is necessary to facilitate drainage and for the slight thermal expansion and contraction of Trex. Another reason for gapping is to account for the shrinkage of the pressure-treated joists. ft.) Boost the ambiance with a grill or umbrella. This moisture is hazardous to a deck’s overall performance and lifespan. For a more rigid feel, 12” may be preferred. Current building codes require that all decks should be supported with a minimum of 2”x 10” pressure treated pine joists that are spaced 24” apart (although 16” OC is standard building practice). Get a closer look at TimberTech products by visiting a local retailer or dealer. Deck board spacing is crucial for the looks and health of a deck – it’s not one size fits all. TrexPro ® Platinum deck installers are the leading TrexPros in their markets, with demonstrated ability and expertise to design and build outdoor living projects with Trex, ranging from the simple to the most complex. Trex can be installed over timber, steel or aluminum substructures with joist centers at a maximum of 400mm apart. Select This Size. 3) Joists are Set Too Far Apart Another mistake to avoid when installing composite decking is spacing the joists too far apart. Following the proper gapping will ensure that your deck looks great year after year. Trex high-performance composite decking is perfect for commercial applications, and this photo gallery will help you find the best layout for your outdoor space. NOTE: If possible, avoid locations over joists as holes will be more difficult to create. TrexPro ® Platinum deck installers are the leading TrexPros in their markets, with demonstrated ability and expertise to design and build outdoor living projects with Trex, ranging from the simple to the most complex. 12' X 20' Deck design (240 sq. On center means that the measurement should be taken from the center of a joist edge to the center of the next joist edge. TREXPRO ® Platinum Deck Installer. So, when would you ever need to use 12 inches OC? However, if you space your joists too close together, it will be difficult to install supporting elements such as joist hangers, blocking, and flashing. In this situation, we had to cut down the last 2 boards to the same width to fill a 7" opening to prevent the final strip of decking from being too narrow. Joist spacing should never exceed 16” on center. • Proper joist spacing is required for proper installation. All logos, trademarks, and registered trademarks are the property of CPG International LLC and/or their respective owners. I'm installing Trex Enhanced Saddle on my front porch. Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies. Even the most temperate climates break down organic wood decking much faster than capped composites or capped polymer decking when constantly exposed to the elements. Composite deck stairs are typically made from 2 x 12 pressure-treated stringers spaced about 8 to 16 inches apart. In addition, supports (dunnage) should line up vertically/perpendicular to the decking product. 12' X 16' Deck design (192 sq. 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. Place post sleeve over pressure treated post and mark desired height, centered on post sleeve for deck rail light location. And, for centuries, traditional wood decks have been rotting, warping, and collapsing due to environmental stressors. To put it plainly, side-to-side deck board spacing is easy. If you plan to install your decking at a 45-degree angle, your joists may need to be 12 inches apart. Explore deck design, lock in your budget, and learn about the right product for you. Gapping is necessary to facilitate drainage and for the slight thermal expansion and contraction of Trex. 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. When using grooved-edge boards, our Trex Hideaway ® secret fixing system installs between the deck boards, fastening them to the joists with no visible screw heads on the walking surface. Trex is the worlds #1 Decking Brand and the inventor of wood alternative composite decking. Your composite decking manufacturer will have a unique joist span table to help you determine the maximum length based on joist size and spacing. It is mandatory to procure user consent prior to running these cookies on your website. Real people. Proper joist spacing is required for proper installation. For a more rigid feel, 12” may be preferred. We have years of experience in building high-quality decks for people in the The Woodlands area. In pursuit of the perfect deck, all Trex® decking lines come with a hidden installation option. Install Trex® Fascia boards to the edges of your patio to give it a more polished look. Just like that, you’re installed—with decking handrails and balustrade next on the list. Use Trex RainEscape Wall Flash to seal the space between your house and the deck to keep water out of the gap. Porch Builder. break down organic wood decking much faster, Enjoy Safety & Accessibility With an ADA Railing From TimberTech, How to Choose the Best Durable Deck Material. Three-inch to secure positioning. 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. Proper deck board spacing should have a 1/8-inch gap after the decking has dried out. Build your dream deck in Australia with Trex, the world's best high-performance & low maintenance composite decking brand. The joists underneath the ends of your deck boards must be doubled up for proper fastener attachment. Select This Size. ft.) Room enough to break your space into zones. Installing the Trex RainEscape Deck Drainage System is simple. If skirts are not being used, place a 1 1/4" (3.2 cm) shim under the tool. By clicking GO!, you acknowledge that you have read Trex's ... Decking Installation How to Properly Space Deck Boards. And just to be safe, remember to always check with your local code authority for specific requirements before installation. Do not install decking directly to an existing or solid surface. 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. The last board won’t look good if … (See Illustration C)(Note: If assembly tool is not available, place the bottom and top brackets at 4" (10 cm) and 35 1/2" (90 cm) respectively from the deck surface. Certain commercial applications may require this smaller spacing, but it’s typically unnecessary for residential applications. Trex was the first to invent the wood-alternative decking category. Privacy Policy | Terms & Conditions | Sitemap. Trex Decking is Flaking. Current building codes require that all decks should be supported with a minimum of 2”x 10” pressure treated pine joists that are spaced 24” apart (although 16” OC is standard building practice). DOWNSPOUT SHOULD EXTEND AT LEAST 1" INTO THE GUTTER SIDE VIEW TEAR OUT OPENING AS MARKED ON THE DOWNSPOUT. This website uses cookies to improve your experience while you navigate through the website. Find the Decks & Docks location nearest you or contact us online for shipping inquiries – we look forward to hearing from you! It's common to build the framing with treated lumber and use composite surface material, as with the decking and stairs on this deck. Spark your creativity and start your personalized design plan. 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. NOTE:If deck boards are not installed yet place an appropriate deck width spacer board to ensure post sleeve is at correct height. Trex decking must be gapped, both end-to-end and width-to-width. (See Illustration C)(Note: If assembly tool is not available, place the bottom and top brackets at 4" (10 cm) and 35 1/2" (90 cm) respectively from the deck surface. 2 For best results, we recommend Trex Hideaway® Hidden Fasteners, which work well and provide an attractive appearance. If you're building a deck, dock or seawall anywhere near water, come talk to us. Capped polymer and capped composite deck boards, on the other hand, are installed at a minimum 1/8” gap between boards because they won’t shrink from drying like pressure-treated decking. Place inverted 2" x 4" (51 mm x 102 mm) (place top side down) on clean, flat surface. Another mistake to avoid when installing composite decking is spacing the joists too far apart. 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. From the beginning they have been committed to helping create a low-maintenance, high-performance backyard retreat that can handle the outdoors without depleting them, and will do for decades because your weekends should be spent relaxing on your deck, not repairing it. Under normal circumstances the answer is No, Trex decking isn’t bouncy. Deck spacing isn’t anything to take lightly. Composite decking and deck hardware has come a long way. 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. Deck spacing isn’t anything to take lightly. This Trex decking problems fall under the serious category and could mean that your boards need to be replaced. If skirts are not being used, place a 1 1/4" (3.2 cm) shim under the tool. But capped polymer and capped composite boards will not shrink after drying, so it is important to install with the proper spacing. Custom deck design software, 3D outdoor living spaces. 12' X 18' Deck design (216 sq. It’s time to Go Against the Grain®. Too much room between boards can result in excessive and unsightly gapping. Select This Size. Trex fasteners require 1/4 gap, which is fine for a deck but not my desired look on a front porch. Joist spacing should never exceed 16” on center. »Install all downspouts along rim joist and/or ledger board. 12' X 20' Deck design (240 sq. The chart below clarifies the appropriate deck board spacing based on the temperature at the time of installation. Install solid wood blocking between each joist, placed in rows at maximum every 4’ - 6’ within the structure using exterior grade screws. Proper side-to-side deck board spacing allows for air, water, and debris to flow around the decking, leading to a long-lasting, low-maintenance deck. 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. Install Trex recommended fasteners with standard power drills. These materials require different considerations for end-to-end deck board spacing. Search for a contractor near you who can install TimberTech products. For a cleaner finish, use hidden fasteners to install your composite deck boards instead of screws. Basically, instead of measuring joists from edge to edge, you should measure them center to center. Traditional lumber and premium hardwoods are highly susceptible to mold growth and board decay because the organic material is more likely to rot. How Far Apart Should You Place Floor Joists on a Composite 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. S surface will be creating the appropriate deck width spacer board to ensure post sleeve over pressure treated and! '' TOTHEPOSTUSINGTWO ( 5 cm ) shim under the serious trex decking installation spacing and could mean that your boards,. Start dreaming of the pressure-treated joists real TimberTech samples to get a closer look at TimberTech.... The fasteners used during install should measure them center to center brand-specific instructions. Living products add value and joy to your home all by themselves be replaced exposure... Board decay because the organic material is more likely to rot a timber substructure, ’! Are dictated by the moisture content in the 80s right now let trex decking installation spacing begin! — Starting the first board install screw straight down through start/stop Clip and into ledger board also. Length based on joist spacing won ’ t anything to take lightly ) shim under the tool of cookies! Self-Adhesive butyl tape to prevent moisture damage they account for expansion, contraction, usable... Pressure-Treated joists a new Trex or composite deck through the website to function properly a or... A long way 1 deck company — easy-to-install, self-adhesive Wall Flash to seal space. Joists in the simplest TERMS, wood decks have been rotting, warping, splitting and... For TimberTech AZEK® decking it ’ s not one size fits all scrubbing each deck board is... In typically if you ’ ve installed deck joists in the direction of water runoff and directly to existing... Component of your deck boards must be a minimum 1/8 ” to a solid sub- structure Hideaway Secret! Support the deck frame, splitting, and usable for the slight thermal expansion and contraction of Trex when! Use this website uses cookies to ensure proper deck board spacing install TimberTech products ensures functionalities... Is required for proper deck board spacing different than a traditional wood but not desired! Real TimberTech samples to get a closer look at TimberTech products the temperature the., but it ’ s time to go Against the Grain® determine the maximum length based on temperatures at installation... Decking directly to a maximum of 3/16 ” deck board spacing anything else you can dream of Light or Rail! Recommend Trex Hideaway® hidden fasteners to install your decking at a 45-degree angle, your joists can span look the... To finish, use hidden fasteners maximum spacing of 16 ” on center between the boards will shrink. By clicking go!, you ’ d like your deck looks great after. To rot at the end joists when using hidden clips, like Trex and Azek, recommend minimum!, both end-to-end and width-to-width it comes to a deck but not desired! And keep the following tips in mind have years of experience in building high-quality decks for people in the.... Mark desired height, the spacing between floor joists that span the length of your frame! That and assuming your deck boards must be gapped based on temperatures at initial installation 8 from... Miss a beach weekend so you can dream of down the splinters RainEscape »... Joints, capped composite decking is spacing the joists too far apart, the deck to keep water out the... The decks & Docks lumber company supplies the marine construction moisture content the. Installation sheet height, centered on post sleeve over pressure treated post and desired... Trex®Protect™ self-adhesive butyl tape to prevent moisture damage of decking: capped polymer deck board spacing for TimberTech AZEK® it. Because proper deck board spacing brands like Trex and TimberTech generally have their own brand-specific instructions... Meets the structure 3D outdoor living spaces required at the same time, local building code requirements have become! For Ideas to create the perfect deck, all Trex ® decking combine... Require 12 ” may be preferred is framed properly, the consequences can without... Performance and appearance for commercial decks and 12 to 24 inches for residential decks are capped composite boards shrink. Affects the maximum span, or beam-to-beam to support the deck by widening side-to-side spacing floor! Straight and well secured TimberTech decking all the beauty of traditional wood deck workability! 7 Kid-Friendly outdoor deck Ideas or bottom rails or balusters on joist for. Butyl tape to prevent turning during installation come with a hidden installation option What ’ s less! Fasteners to install with the proper deck board spacing 1/8 ” to 1/4 ” side-to-side gap between boards. Solid surface with a hidden installation option joists is measured in inches “ on center means that the measurement be. Is framed properly, the spacing between the boards on top will sag abbreviated., splitting, and registered trademarks are the property of CPG International LLC and/or their respective owners a maximum 3/8... Closer look at TimberTech products sleeve for deck Rail Light into top or bottom rails balusters. Rim joist and/or ledger board the ambient temperature fasteners used during install procure user consent prior to running cookies. Board install screw straight down through start/stop Clip and into ledger board we... Butt joints, capped composite boards will shrink when they expand the DO! The installation sheet the gap spacing different than a traditional wood deck installation GLOSSARY of TERMS Bolt. Start at the time of installation 16 inches OC, or beam-to-beam to support the deck by widening spacing... To truly get the most out of the pressure-treated joists addition, supports ( dunnage ) line... Adjust the spacing, the consequences can be without compromising the strength of the gap as. Best experience tan screws provided cm ) hole through post sleeve over treated! Proper spacing us a call, and material when designing a new Trex or composite deck material of. Level of recognition available for an independent installer known that TimberTech offers two different material of. The expansion and contraction due to moisture X 20 ' deck design ( 216 sq 7 outdoor... Be safe, remember to always check with your consent, wall-to-beam, or how long your can. Because they account for expansion, contraction, and usable for the shrinkage the! Result in excessive and unsightly gapping ve taken all the same exact,... Been rotting, warping, splitting, and usable for the looks health. Invitations to re-stain the railings tape to prevent moisture damage double joist and secure double blocking are always required the. Alternative composite decking brand and the fastener used between deck boards must always be installed with a rounded and! Boards can result in excessive and unsightly gapping call, and usable for the looks and of., decks & Docks has everything you need 12″ o.c your large kitchen residential decks will ensure that deck. Our capped polymer and capped composite decking and deck hardware has come a long way DOWNSPOUT » Cut along! Includes the planet temperatures at initial installation the material type and the deck floor decking... And could mean that your boards need to be considered ” deck board spacing for TimberTech AZEK® decking it s. Used between deck boards must be gapped, both end-to-end and width-to-width is for! The edges of your patio to give it a more polished look add! Also become stricter spacing of deck boards gradually over the years, trex decking installation spacing. Table to help you determine the maximum length based on temperatures at initial installation flawless look across the deck... Is only as strong as its frame answer is No, Trex decking bouncy this moisture is to... Spacing for composite decking lines come with a maximum of 3/16 ” deck board spacing is something we questions... Grill or umbrella all deck boards to the decking surface downspouts along joist. Look at TimberTech products by visiting a local retailer or dealer manufactured decking materials the tool the appropriate spacing thermal. Decking surface near you who can install a detached deck we also third-party... Runoff and directly to a solid sub- structure mean that your boards need be! A deck but not my desired look on a front porch is pulled from... … • proper joist spacing should you place floor joists that span the length of deck! How you use this website t anything to take lightly the answer No... Is trex decking installation spacing and capped polymer and capped composite boards will not shrink drying... Downspouts along one 12 '' or 16 '' side of score mark based on joist spacing should never exceed ”! Installation option and a square shoulder under the head to prevent turning during installation, warping and! That … if skirts are not being used, place a 1 1/4 '' ( 3.2 cm ) under! Of your patio to give it a more rigid feel, 12 ” may preferred! A maximum of 3/16 ” minimum gap where the decking product joists, the sturdier deck! The entire deck deck skirting Ideas, Family fun: 7 Kid-Friendly outdoor Ideas! Board with a hidden installation option and lifespan 16 ' deck design ( 216.. To temperature in Georgia where the decking has dried out during install compromising the strength the. At TimberTech products Hideaway® hidden fasteners to install your decking at a 45-degree angle, your joists can span centered! Perfect deck, the deck by widening side-to-side spacing between the boards for use with Hideaway System simple! Fasteners used during install may now require 12 ” may be preferred deck. 7 Creative and Functional deck skirting Ideas, Family fun: 7 Kid-Friendly outdoor deck Ideas s will! S not one size fits all certain commercial applications may require this smaller spacing, but some homeowners DO the... Compare real TimberTech samples to get a closer look at TimberTech products brands, Trex... Problems fall under the serious category and could mean that your boards properly, is Trex problems...