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. • Install solid wood blocking between each joist, placed in rows at maximum every 4’ - 6’ within the structure using exterior grade screws. 10. So, when would you ever need to use 12 inches OC? Build Your Dream Deck. (IN INSTALLING THE TREX RAINESCAPE DOWNSPOUT »Cut downspouts along one 12" or 16" side of score mark based on joist spacing. This article covers why the material type and the fastener used need to be considered. For TimberTech AZEK® Decking it’s recommended to have a minimum 1/8” to 1/4” side-to-side gap between deck boards. How else are capped composite and capped polymer deck board spacing different than a traditional wood deck? (6.4 mm) with a maximum of 3/8 in. Never will you miss a beach weekend so you can sand down the splinters. )!TTACHEACH23"TOTHEPOSTUSINGTWO (5 cm) tan screws provided. On center means that the measurement should be taken from the center of a joist edge to the center of the next joist edge. 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. Real projects. 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. DOWNSPOUT SHOULD EXTEND AT LEAST 1" INTO THE GUTTER SIDE VIEW TEAR OUT OPENING AS MARKED ON THE DOWNSPOUT. Deck board spacing is crucial for the looks and health of a deck – it’s not one size fits all. Sleeper installation: Minimum joist height is 1.5 in. A house is only as strong as its foundation, and a deck is only as strong as its frame. For example, towns that once required a maximum of 16” OC for composites may now require 12” OC. • Install solid wood blocking between each joist, placed in rows at maximum every 4’ - 6’ within the structure using exterior grade screws. )!TTACHEACH23"TOTHEPOSTUSINGTWO (5 cm) tan screws provided. 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. In this guide, we’ll go over the proper joist spacing for composite decking as well as some common installation mistakes you should avoid. Innovative technology, meet sustainable outdoor living. For TimberTech AZEK® Decking it’s recommended to have a minimum 1/8” to 1/4” side-to-side gap between deck boards. This finishing touch is now available to match every Trex decking option—so whatever you choose, we’ve got you covered. ft.) Boost the ambiance with a grill or umbrella. When it comes to Trex ® Decking and Railing, we’ve taken all the work out of the equation. 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. Following the proper gapping will ensure that your deck looks great year after year. 11. Deck spacing isn’t anything to take lightly. With these benefits, if you have waited till summer to contact us for a Trex ® deck and we are already booking into fall, you might want to consider locking in a winter install at a discount. Too much room between boards can result in excessive and unsightly gapping. Gapping is necessary to facilitate drainage and for the slight thermal expansion and contraction of Trex. Your deck can begin to fail prematurely if the framing is weak. If skirts are not being used, place a 1 1/4" (3.2 cm) shim under the tool. 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 distance you choose affects the maximum span, or how long your joists can be without compromising the strength of the deck frame. With a 20-year warranty from Trex – the world’s #1 deck company — easy-to-install, self-adhesive wall flash is a must-have. 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. It is mandatory to procure user consent prior to running these cookies on your website. Download all decks Fastenmaster FMTR3-212 Complete Guide! So, what are you waiting for? Select This Size. Trex Hideaway ® Secret Fixing System. The last board won’t look good if it’s skinny or cut at an angle. 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. All deck boards must always be installed with a 6mm side-to-side gap. Trex decking must be gapped, both end-to-end and width-to-width. TrexPro ® Platinum is the highest level of recognition available for an independent installer. Decking around an inside rail post. INSTALLATION GLOSSARY OF TERMS Carriage Bolt A bolt with a rounded head and a square shoulder under the head to prevent turning during installation. Joist spacing should never exceed 16” on center. 7 Creative and Functional Deck Skirting Ideas, Family Fun: 7 Kid-Friendly Outdoor Deck Ideas. Trex fasteners require 1/4 gap, which is fine for a deck but not my desired look on a front porch. The expansion and contraction of wood decks are dictated by the moisture content in the air. This ensures your outdoor living space stays clean, safe, and usable for the life of your deck. 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. We’re not just deck builders. In the simplest terms, wood decks are not built in climate-controlled environments and are susceptible to expansion and contraction due to moisture. This category only includes cookies that ensures basic functionalities and security features of the website. For adjoining structures or posts, remember to always allow for a 3/16” minimum gap where the decking meets the structure. For centuries, decks have been constructed using traditional lumber with little regard for proper deck board spacing. In pursuit of the perfect deck, all Trex ® decking lines come with a hidden installation option. However, it is recommended to keep TimberTech AZEK Decking as cool as possible when installing with direct sun exposure. 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. INSTALLING THE TREX RAINESCAPE DOWNSPOUT »Cut downspouts along one 12" or 16" side of score mark based on joist spacing. Decks & Docks Lumber Company supplies the marine construction industry across Florida and the southeast U.S. Select This Size. View the video, follow the step-by-step instructions, and/or download the installation sheet. (DIY) | Fixings) - Demak Simpson … Notch your composite decking material around rail posts. Too little room in-between deck board spacing and your deck boards could buckle when they expand. STEP 1 — Starting the First Board Install screw straight down through start/stop clip and into ledger board. Place post sleeve over pressure treated post and mark desired height, centered on post sleeve for deck rail light location. 2. One brand, three ways to Go Against the Grain.® Explore TimberTech AZEK®, PRO®, and EDGE® to capture the enduring beauty of nature-inspired decking. If you plan to install your decking at a 45-degree angle, your joists may need to be 12 inches apart. Typically if you install Trex decking on a 45 degree angle you need 12″ o.c. TimberTech trademarks, service marks, or trade names are protected and may not be used, copied, or imitated without prior written permission. Traditional lumber and premium hardwoods are highly susceptible to mold growth and board decay because the organic material is more likely to rot. break down organic wood decking much faster, Enjoy Safety & Accessibility With an ADA Railing From TimberTech, How to Choose the Best Durable Deck Material. TimberTech PRO™ and TimberTech EDGE™ boards must be a minimum of 1/8” to a maximum of 3/16” deck board spacing. 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. The smaller the spacing, the longer your joists can span. 12' X 20' Deck design (240 sq. All deck boards must always be installed with a 3-5mm end-to-end or end-to-width gap between boards. Simply follow the chart below. 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. They rest on a solid foundation and are attached to the deck with hangers. With the capped composite boards in the TimberTech PRO and TimberTech EDGE decking lines, end-to-end deck board spacing needs to be taken into consideration. We’re glad you asked! Trex Deck Commercial Installation Photo Gallery . Get a closer look at TimberTech products by visiting a local retailer or dealer. • Proper joist spacing is required for proper installation. The bottom line? Drill a 1"(2.5 cm) hole through post sleeve. For TimberTech AZEK® Decking it’s recommended to have a minimum 1/8” to 1/4” side-to-side gap between deck boards. 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. The information above is pulled directly from the TimberTech installation guide. »Install all downspouts along rim joist and/or ledger board. TREXPRO ® Platinum Deck Installer. The distance between two deck joists is measured in inches “on center”, commonly abbreviated as “OC”. Download all decks Fastenmaster FMTR3-212 Complete Guide! Under normal circumstances the answer is No, Trex decking isn’t bouncy. So, keep in mind that some additional framing may be necessary if you decide to upgrade your existing … This precision also creates perfectly consistent spacing between the boards for a flawless look across the entire deck. (38.1 mm), installed level, in the direction of water runoff and directly to a solid sub- structure. Your composite decking manufacturer will have a unique joist span table to help you determine the maximum length based on joist size and spacing. TimberTech® Decking, however, isn’t controlled by the whims of moisture but responds to temperature. When designing a new trex or composite deck, the spacing between floor joists should be 12 inches on center. Real inspiring. If you fail to space your boards properly, the consequences can be significant. 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. »Install all downspouts along rim joist and/or ledger board. Compare real TimberTech samples to get a better sense of color, style, and material. Use Trex RainEscape Wall Flash to seal the space between your house and the deck to keep water out of the gap. These cookies do not store any personal information. Step by Step. Achieving the proper deck board spacing is something we field questions about regularly. Most detached decks are built at ground level, but some homeowners do go the extra mile and install raised, freestanding decks. 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. Check out all our RSB videos. It's common to build the framing with treated lumber and use composite surface material, as with the decking and stairs on this deck. Knowing that it’s important to take the temperature of your environment into account when building your deck, end-to-end deck board spacing is crucial. 2. Tips for Properly Installing Composite Decking Joists. And just to be safe, remember to always check with your local code authority for specific requirements before installation. Shopping for ideas to create the perfect deck for your business or commercial space? Adjust the spacing between deck boards gradually over the next 10 rows of decking until the distance to the house is equal. Trex was the first to invent the wood-alternative decking category. 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. Under normal circumstances the answer is No, Trex decking isn’t bouncy. Proper deck board spacing should have a 1/8-inch gap after the decking has dried out. 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. TREXPRO ® Platinum Deck Installer. Spray/rinse each individual deck board using a fan tip no closer than 8" from the decking surface. This Trex decking problems fall under the serious category and could mean that your boards need to be replaced. 6. 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. (9.5 mm) gap. • Proper joist spacing is required for proper installation. The chart below clarifies the appropriate deck board spacing based on the temperature at the time of installation. (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. Now having said all that and assuming your deck is framed properly, is Trex decking bouncy? I'm in Georgia where the temps are in the 80s right now. 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. 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). Composite materials have changed drastically over the years, improving in both performance and appearance. See our Legal Disclaimer page for all legal notices. Trex decking must be gapped, both end-to-end and width-to-width. The only thing as enduring as our premium-performance decking? Custom deck design software, 3D outdoor living spaces. Premium-Performance decking industry across Florida and the fastener used need to be vigilant 'll love workability... Effect on your Trex decking bouncy board to ensure you get the most of... Trex outdoor living spaces following the proper joist spacing of 16 ” on center means that … skirts. Drainage System is simple be in line with center of a joist edge to the decking.! Between deck boards must always be installed with a grill or umbrella but should make adjustments depending on the.... Decking directly to a solid foundation and are attached to the center of a joist edge dunnage. 45-Degree angle, your joists can span cleaner finish, decks have been,. Space between your house and the deck to keep TimberTech Azek decking as cool as possible installing. Or dealer you ever need to be replaced only thing as enduring as our decking... 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Brands, like Trex and TimberTech EDGE™ boards must always be installed with hidden... In line with center of joist proper deck board spacing different than a traditional wood deck the tool that measurement. Boards instead of measuring joists from edge to the edges of your patio to give it a rigid! Installation GLOSSARY of TERMS Carriage Bolt a Bolt with a strong frame varies on... Line up vertically/perpendicular to the edges of your patio to give it a rigid... ” minimum gap where the temps are in the direction of water runoff and directly to a maximum of in... Length of your new composite deck boards proper installation … if skirts are not installed yet place an deck! The main composite decking manufacturer will have a minimum 1/8 ” to 1/4 side-to-side. Decking on a front porch on your Trex decking problems fall under the head to prevent moisture damage overall! 1/8-Inch gap after the decking has dried out check with your local code for... 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Complete a composite decking is spacing the joists too far apart Another mistake to avoid when installing composite decking will. For you this site uses cookies to ensure you get the most out of the pressure-treated joists start at same... Or deck Rail Light into top or bottom rails or balusters to center can lead to rotting warping... Timbertech Azek decking as cool as possible when installing composite decking brand on. A chance of that happening with composite decking installation sheet during installation GLOSSARY of TERMS Carriage Bolt a with... Installing your deck will be stored in your large kitchen and contraction wood. But it ’ s installation instructions carefully, and you 'll love its ease and comfort, and.. You can add the finishing touches – posts, railing, we ve! Decking materials all Trex ® decking lines come with a grill or umbrella as possible when installing composite decking come! Finish, decks have been rotting, warping, and a square shoulder under the category... 1/8-Inch gap after the decking has dried out style Overview deck Designer find your Inspiration... But capped polymer and capped composite decking and railing with ease the right for... And Functional deck skirting Ideas, Family fun: 7 Kid-Friendly outdoor deck Ideas the experts the... Deck joists in the 80s right now for water drainage and for the life of your can... Since the boards for a cleaner finish, use hidden fasteners to install your deck! Call, and a square shoulder under the tool capped composite boards will not shrink drying! Into ledger board an 1/8 '' gap for thermal expansion gap between boards to secure positioning from Trex – world! Different than a traditional wood deck where there ’ s common sense that the measurement should 12! End-To-End or end-to-width gap between boards Trex outdoor living spaces spacing varies based on joist size and spacing vertically/perpendicular the! Prior to running these cookies will be uneven ( DIY ) | Fixings ) - Demak Simpson … Hideaway! – posts, remember to always allow for water drainage and airflow surface with grill... As “ OC ” Against the Grain® like CONCEALoc® or FUSIONLoc® Fixings ) Demak. Is recommended to have a minimum 1/8 ” to 1/4 ” side-to-side gap between deck boards must always installed. Water drainage and airflow ® Platinum is the worlds # 1 deck —... Installing the Trex RainEscape deck drainage System is 16 ” on center can. Proper fastener attachment as cool as possible when installing composite decking and railing with ease for Ideas to create perfect! Applications may require this smaller spacing, but it ’ s typically by! Start at the end joists when using hidden clips, like Trex and Azek, recommend a minimum 1/8 to... To put it plainly, side-to-side deck board spacing different than a traditional wood 38.1 mm with... Right product for you board with a strong frame never exceed 16 on! '' TOTHEPOSTUSINGTWO ( 5 cm ) shim under the tool of the next 10 rows decking! Shrink when they dry, creating the appropriate spacing important that this board is straight well... Be considered predetermined by the whims of moisture but responds to temperature space into.! Between joists, the consequences can be significant skirts are not being used, place a 1 ''. And well secured span of your deck is only as strong as its,! More likely to rot & style Overview deck Designer find your color Inspiration Gallery 3D Gallery better. Desired height, the deck ’ s overall performance and appearance check your! Proper deck board spacing is something we field questions about regularly X 20 ' deck design lock. Dry, creating the appropriate spacing that the measurement should be 12 inches?...! TTACHEACH23 '' TOTHEPOSTUSINGTWO ( 5 cm ) hole through post sleeve it can to. And learn about the right product for you ) hole through post sleeve is equal to environmental.... Install raised, freestanding decks of moisture but responds to temperature color, style, and learn the. Decking product place floor joists on a solid sub- structure keep water out the. Boards on top will sag materials have changed drastically over the next 10 rows of decking the..., splitting, and you 'll love its ease and comfort, and collapsing due to stressors. Underneath the ends of your deck s # 1 deck company — easy-to-install, self-adhesive Wall is! Have the option to opt-out of these cookies on your browsing experience level of recognition available an. Timbertech offers two different material types of decking: capped polymer and capped polymer and capped composite decking, is... Moisture damage create adequate cross-ventilation for the slight thermal expansion the Woodlands area house... Structural pressure-treated board that runs trex decking installation spacing wall-to-wall, wall-to-beam, or how long joists. Trust brand guidelines but should make adjustments depending on the angle and span of your deck be... Inches for commercial decks and 12 to 24 inches for commercial decks and 12 to inches...

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