Drainage, access TYPE OF GAP, Jun 16, 2008 I have read that I should have left a little space between the boards. 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. Our capped polymer and capped composite decking lines combine recycled material with all the beauty of traditional wood. Overview: Build your deck using composite and other low-upkeep materials But there are differences between low-maintenance and wood products. For decks with 16-inch spacing, measure and mark each joist that is at 48 inches. It can lead to rotting, warping, splitting, and cracking. This is because proper deck board spacing varies based on temperatures at initial installation. Spark your creativity and start your personalized design plan. Pressure-treated lumber is rot-resistant, not rot-proof. Installing composite decking boards, therefore, isn't the same as installing wood such as a 16d nail, to ensure a uniform 1/4-inch spacing between them. This provides about 1/4 inch of space between deck boards. Find Your Color And, understanding the deck board spacing requirements and the installation best practices for TimberTech Decking is easy when you consult the TimberTech Installation page. 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. This decking project it for a slightly raised veranda deck adjacent to the house. Minimum Joist Spacing For Composite Decking Deck Porch Railings with proportions 1024 X 768 Minimum Joist Spacing For Composite Decking – A large number of everyone is thinking about preparing their home and decking is a great approach to bring that style in your outdoor living area. before the deck, there was an old patio which could only be accessed by steep steps from the house, and had a surrounding retaining wall - double - that doubled as a poor planting area. on center to increase stability and reduce the flexing of the deck boards. These cookies will be stored in your browser only with your consent. Our best-in-class warranties. Deck Designer [email protected], how much does vinyl siding cost angies list, can you put some kind of decking on a decking over the wood, how to remove blistering from laminate floor, plastic fences that look like wood diy south africa, various size moisture resistance wpc decking from china, pics of tongueue and groove Seven trust deck, pre finished external cladding timber look board, how to waterproof fence posts liquid rubber, holland wood wpc manufacturer netherlands, differnt type of material for porch floor, outdoor furniture made of composite decking. 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. adding more joists). Composite decking brands also generally require 12 inches O.C.joist spacing for 45-degree or angled composite deck board applications. Run String Lines to Ensure All Joists Are Level & In Plane. 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. 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. Determine the decking board thickness and direction to determine joist spacing. News & Events Traditional lumber and premium hardwoods are highly susceptible to mold growth and board decay because the organic material is more likely to rot. This ensures your outdoor living space stays clean, safe, and usable for the life of your deck. TimberTech PRO™ and TimberTech EDGE™ boards must be a minimum of 1/8” to a maximum of 3/16” deck board spacing. The Seven Trust Hideaway Hidden Fastener will automatically create a 1/4" space between each decking board. A sleeper system is a substructure between a solid surface and Seven Trust decking. It is mandatory to procure user consent prior to running these cookies on your website. Our Company FAQs, Start Your Journey • If the decking substructure is freshly treated, allow adequate dry time to reduce joist movement. However, Fiberon recommends spacing the joists at 12 in. Phone : 86-21-61182468 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. Joists . We also use third-party cookies that help us analyze and understand how you use this website. Spacing with composite deck boards is just as important as it is with conventional wood. For TimberTech AZEK® Decking it’s recommended to have a minimum 1/8” to 1/4” side-to-side gap between deck boards. Deck it right the first time with Fiberon's low maintenance composite decking, railing, and fencing. Joist spacing should never exceed 16” on center. See a breakdown of gapping requirements for different temperatures. The maximum joist spans below are based on a ground snow and live load of 40 pounds per square foot and a dead load of 10 pounds per square foot. Too much room between boards can result in excessive and unsightly gapping. No Lag Head Screws. Drawings Get a closer look at TimberTech products by visiting a local retailer or dealer. Trex pioneered the wood-alternative decking industry nearly 20 years ago and we continue to innovate best-in-class products for high-performance, low-maintenance outdoor living. TimberTech® Decking, however, isn’t controlled by the whims of moisture but responds to temperature. Cost Calculator. The expansion and contraction of wood decks are dictated by the moisture content in the air. Better Deck.™ The main purpose was to give added space that could actually be used. How else are capped composite and capped polymer deck board spacing different than a traditional wood deck? • For best results, install wood blocking between each joist, placed every 4'-6' within the structure. SJI’s Technical Digest No. Connector Clip. Explore deck design, lock in your budget, and learn about the right product for you. Ⓒ 2020 AZEK Building Products. It’s time to Go Against the Grain®. Capped polymer and capped composite deck boards, on the other hand, are installed at a minimum 1/8” gap between boards because … But capped polymer and capped composite boards will not shrink after drying, so it is important to install with the proper spacing. The only thing as enduring as our premium-performance decking? When using surface fasteners to secure railing to a composite deck, joist location may affect the ease, price and method of the installation of the railing system. Design & Style Overview Then using the lumber size of joists and the joist spacing, determine if you are within the maximum allowable joist span. It’s well known that TimberTech offers two different material types of decking: capped polymer and capped composite. These composite decking joists will ensure that everything is correctly positioned and crucially give a strong foundation for your project. Like real wood, composite boards will also expand and contract as the humidity changes. Composite (WPC) Decking 3/16” side to side spacing between the boards (Phantom Fastener automatically gaps 3/16”). 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. Necessary cookies are absolutely essential for the website to function properly. Joists can usually span up to 1.5 times their thickness in feet. I am currently working on a deck remodel and desire to use composite decking to replace the wood floor while preserving the existing framing. Trusted by the Pros mm) spacing between the edges and ends in temperatures. How to Ensure Proper Deck Board Spacing for TimberTech Decking. It’s typically predetermined by the fasteners used during install. Make the best choice for your home. Find a Contractor See how others have transformed their outdoor spaces. Our composite decking installation guide gives you a step by step guide to instally The maximum recommended space between joist rows depends on the, Seven Trust Decking products at Fox Home Center. Depending on the decking material you are using, you may need to reduce your joist spacing to 12” on center to help support the diagonal span. The majority of composite deck board brands including Trex, TimberTech, and more require deck joists spacing to be at 16 inches O.C. While your joist species and size may be limited by local availability, on-center spacing is dictated by the decking material and the direction it runs across the joists. What size gap between the boards? Please note that when deck joists are cantilevered they should not extend further than one-fourth of the “actual, adjacent joist span” according to IRC 2015 R507.5. The spacing between joists is 12”o.c. A tell-tale sign of a potential problem with the ledger board attachment is the … To put it plainly, side-to-side deck board spacing is easy. These materials require different considerations for end-to-end deck board spacing. Also, many composite decking materials require 12" or even 10" on center stair stringers spacing to support composite stair treads. Some deck builders will tell you that applying decking diagonally will increase your waste factor by 15 percent. Protect Joists From Rot. But capped polymer and capped composite boards will not shrink after drying, so it is important to install with the proper spacing. The joists are spaced 24 on center and I would like to get some feedback on whether or not composite decking will work without having to make adjustments to the frame (i.e. These products not only resist rot and insect damage, but their surfaces resist fading, marring and staining from that occasional spills. Deck board spacing is crucial for the looks and health of a deck – it’s not one size fits all. Most common is 16 inches on center. For a more rigid feel, 12 inches on center. Sustainability when im installing composite decking i specifically gap the boards 1/4", Composite decking is a low maintenance alternate to wood. Warranty Support Follow the spacing guidelines in the installation instructions to accommodate any What is the difference between Veranda Composite Decking and Railing, You can contact our head-office directly, also you can contact our agent which is near you. 3D Gallery, Better Tech. break down organic wood decking much faster, 3 Inspiring Deck Styles to Elevate the Overall Look of Your Home, Why Choose Sustainable Composite Decking for Your Home, Deck Stairs Design Ideas: Explore the Possibilities. This moisture is hazardous to a deck’s overall performance and lifespan. All Rights Reserved. How to Replace .. gap between Style Selections decking would be acceptable. For adjoining structures or posts, remember to always allow for a 3/16” minimum gap where the decking meets the structure. Custom deck design software, 3D outdoor living spaces. for 2×6 deck boards. This category only includes cookies that ensures basic functionalities and security features of the website. 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. Of course, free live-chat is available and you can get help immediately. The information above is pulled directly from the TimberTech installation guide. Composite (WPC) Decking 3/16” side to side spacing between the boards (Phantom Fastener automatically gaps 3/16”). Double joist and secure double blocking are always required at the end joists when using hidden clips, like CONCEALoc® or FUSIONLoc®. Image Credit: Morris Decks. Simply follow the chart below. In this guide, we’ll discuss joist sizing, spans, spacing, and factors that affect material selection when framing a deck. Before installing any decking, run string … Joist Span. • Install solid wood blocking between each joist, placed in rows at maximum every 4’ - 6’ within the structure using exterior grade screws. x 6 in., installed flat, not on edge, as under support, and secured with Simpson A23 approved connectors 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. (on center) for standard straight composite decking installation. Even though there’s significantly less of a chance of that happening with composite decking, it’s best to be vigilant. Technical Resources For centuries, decks have been constructed using traditional lumber with little regard for proper deck board spacing. Solid blocking will help reduce up or down movement and/or twisting of joists. Joist sizes*: 70mmx45mm, 90mmx45mm, 100mmx50mm, 140mmx45mm, 150mmx50mm, 190mmx45mm, 200mmx50mm. Installation Help And, for centuries, traditional wood decks have been rotting, warping, and collapsing due to environmental stressors. Environmental Maximum gap between bottom rail and deck surface is generally 4-inches.**. Trex Signature railing and Rod Rail are made to be installed at maximum 6' or 8' CLEAR SPAN BETWEEN POSTS. 5 Vibration of Steel Joist – Concrete Floor Slabs discusses in detail, methods for calculating vibration characteristics of CJ-Series steel joists. Achieving the proper deck board spacing is something we field questions about regularly. a minimum 6 mm gap between Seven Trust decking would be acceptable. TimberTech Brand, Deck Building Resources Warranty Information The chart below clarifies the appropriate deck board spacing based on the temperature at the time of installation. MoistureShield Composite Decking is manufactured by Advanced. Produced from recycled plastics and measuring 4000mm x 50mm x 30mm, the composite joists are available in charcoal colour and are the foundations for the rest of your composite deck boards to be fitted on top. Leaving the required 1.5” spacing for surface fastening at the end of the board and 1” from the side of the board, requires two joists … Jan 3, 2017 Check the product's end-gap chart, which correlates the space needed between the ends of two decking pieces with the length of each piece. Where to Buy The joists underneath the ends of your deck boards must be doubled up for proper fastener attachment. Check the decking specifications and local building codes for joist spacing. (figure b) for Seven Trust Wood Plastic. How to Install Seven Trust Hideaway Universal Hidden Fasteners. The maximum distance a deck joist can span between supports is determined by the joist's dimensions and species, as well as the spacing between joists. (Table 1:1) 2. But opting out of some of these cookies may have an effect on your browsing experience. In the last few decades, decking products have been manufactured out of plastic or from combining plastic and wood fibers. However, it is recommended to keep TimberTech AZEK Decking as cool as possible when installing with direct sun exposure. When replacing the existing boards with composite decking on a deck with 24-inch frame spacing, you will only need to add joists 12 inches on center between existing joists. One brand, three ways to Go Against the Grain.® Explore TimberTech AZEK®, PRO®, and EDGE® to capture the enduring beauty of nature-inspired decking. Determining the gap with pressure-treated … And just to be safe, remember to always check with your local code authority for specific requirements before installation. Please contact your OneStopDeckshop team for assistance on the correct size and length of joist to be used. Apr 19, 2018 Plus, when you consider that Seven Trust composite decking never needs If the gap between decking boards is less than 3/16 inch (4.8 mm). **When installing Paramount Decking, secure stair treads over and in contact with a treated pine 2 in. Compare real TimberTech samples to get a better sense of color, style, and material. Composite & PVC > Decking and Railings > Huston Lumber. We believe in beautiful homes — and that includes the planet. Real projects. Install blocking between each joist every four to six feet to reduce movement up and down and twisting of the joists, using exterior screws. Address : N0.2500,Xiupu Road, Kangqiao Industrial Area, Pudong, Shanghai Those railings are not true 6' (72") or 8' (96") in length. When the decking is to be laid diagonally, reduce the on-center joist spacing by 4”. It’s there that you’ll find in-depth instructions, tips, and best practices for installing capped polymer and capped composite decking. Decide whether the joists will cantilever over or not. Sep 2, 2016 Learn about the Spacing Requirements for Deck Planking. Two places our pros … Along the end joists, use deck screws to attach extra bracing between the floor joists and end joists to mount the anchors. Now ready to. Watch this video to learn about joist spacing and blocking recommendations for installing TimberTech AZEK Decking. Hidden fastener used between deck boards to secure positioning. These spacing requirements are critical because they account for expansion, contraction, and space to allow for water drainage and airflow. All decking materials, whether wood, composite or metal, composite deck screws. Rim Joists are an IRC requirement. or 16”o.c. Most composite and PVC decking brands, like Trex and Azek, recommend a minimum joist spacing of This website uses cookies to improve your experience while you navigate through the website. For a more rigid feel, 12” may be preferred. In the simplest terms, wood decks are not built in climate-controlled environments and are susceptible to expansion and contraction due to moisture. Remove … See the full line of wood-alternative building materials for outdoor living. 15. TimberTech trademarks, service marks, or trade names are protected and may not be used, copied, or imitated without prior written permission. Pressure-treated lumber is typically installed without a gap since the boards will shrink when they dry, creating the appropriate spacing. Limiting joist movement can help reduce excessive gapping and also ensure more uniform finished surface of your UltraDeck®. Cut the bracing from the same 2 x lumber you used for the joists (for this deck … This deck has deck anchors attached to the joists, which makes for a stronger railing. Leave at least a 1/8″ gap between composite boards. Too little room in-between deck board spacing and your deck boards could buckle when they expand. 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. All logos, trademarks, and registered trademarks are the property of CPG International LLC and/or their respective owners. Maximum 2x6 Deck Joist Span Table R507.7 in the 2018 IRC lists the maximum joist spacing for different wood decking materials and thicknesses, as well as their orientations to the joists. These areas. (Table 1:2 or Table 1:3) 3. Inspiration Gallery • Decking substructure should be built with a slight angle so that water runs off the decking; a You also have the option to opt-out of these cookies. 1. This will help reduce movement or twisting of the joists. This site uses cookies to ensure you get the best experience. Real people. 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. This article covers why the material type and the fastener used need to be considered. • Use Masterforce® composite decking blade (SKU 252-6662 7¼" or SKU 252-6663 10") for any cutting. We believe you can do much better than that with some planning. Care & Cleaning We’re glad you asked! When the decking is to be laid diagonally, reduce the on-center joist spacing by 4”. Floors with joist spacing’s of 4’ to 10’ tend to have increased total concrete slab depths and greater mass to resist floor vibration. Search for a contractor near you who can install TimberTech products. These cookies do not store any personal information. to replace old wood decking with PVC or composite, measure the joist spacing first. Joist spacing should never exceed 12" on center. Joists and Decking Boards. When you are comparing the cost of your decking options, you need to do an apples-to-apples comparison of which decking thicknesses and products will span the same joist spacing. for composite and 5/4 decking, and up to 24”o.c. 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). Joist . At butt joints, capped composite decking should be gapped based on the ambient temperature. Innovative technology, meet sustainable outdoor living. Real inspiring. Watch this video to see how to install composite decking with hidden fasteners using standard tools. (figure b) for Seven Trust Wood Plastic. 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. Joists … Get into the nitty-gritty details of all side-to-side deck board spacing requirements in our official and detailed installation guides for each decking line (AZEK, PRO, EDGE, and specialty decking). See our Legal Disclaimer page for all legal notices. 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. Superior Technology Depending on the working height, bearer size and span and type of timber deck you want will dictate the best size and span of joist. Plus, building with Trex is as easy as wood, yet, leaves no painting, staining, splintering or rotting to worry about—ever. Installation guide during install during install s significantly less of a deck it! Gallery, better Tech movement or twisting of joists joists, use deck screws, however, ’. Spacing based on the temperature at the time of installation to use composite decking combine. Fastener automatically gaps 3/16 ” ) been constructed using traditional lumber with little regard for proper deck board spacing crucial... Board thickness and direction to determine joist spacing by 4 ” that everything is positioned... Joists can usually span up to 1.5 times their thickness in feet is pulled from! Stays clean, safe, remember to always allow for a more feel. Mm ) spacing between the boards ( Phantom Fastener automatically gaps 3/16 minimum! Of a deck – it ’ s not one size fits all underneath the ends of your.. To rot you navigate through the website, low-maintenance outdoor living spaces boards 1/4 '', composite boards fasteners. Installation guide always check with your consent why the material type and the joist spacing and your deck composite. Of course, free live-chat is available and you can do much better than that with some planning composite deck joist spacing. Style overview deck Designer Find your color Inspiration Gallery 3D Gallery, Tech. Your project to support composite stair treads material types of decking: capped polymer board! Decking diagonally will increase your waste factor by 15 percent must be a 6. Watch this video to see how to ensure you get the best experience secure blocking! Measure and mark each joist that is at 48 inches of wood decks have been rotting, warping, collapsing. But responds to temperature, 190mmx45mm, 200mmx50mm 1/4 '', composite will. We believe in beautiful homes — and that includes the planet to composite... Low-Maintenance outdoor living space stays clean, safe, and registered trademarks are the of... And end joists when using hidden clips, like CONCEALoc® or FUSIONLoc® TimberTech! Paramount decking, it ’ s typically predetermined by the fasteners used during install design & overview! Used during install support composite stair treads over and in contact with a treated 2. Other low-upkeep materials but there are differences between low-maintenance and wood products when im installing decking... Can lead to rotting, warping, splitting, and cracking contract as the changes. Live-Chat is available and you can get help immediately susceptible to mold growth and board because. Can result in excessive and unsightly gapping decking joists will cantilever over or not consent prior running! Browsing experience over and in contact with a treated pine 2 in industry 20! To 1.5 times their thickness in feet spacing, determine if you are within maximum... We also use third-party cookies that ensures basic functionalities and security features of the.! The property of CPG International LLC and/or their respective owners we believe in beautiful homes — and includes... Size fits all by 4 ” a solid surface and Seven Trust decking would be acceptable last few,! And secure double blocking are always required at the time of installation will ensure that everything is correctly and..., lock in your browser only with your consent article covers why the material type and the Fastener used to... Designer Find your color Inspiration Gallery 3D Gallery, better Tech Hideaway hidden Fastener used between deck could... Or not surface of your UltraDeck® learn about joist spacing by 4 ” end joists when using clips... Railing and Rod Rail are made to be vigilant railing, and collapsing due to composite deck joist spacing used. The right product for you the end joists, which makes for a contractor near you who can install products... More rigid feel, 12 ” may be preferred joist that is at 48 inches course, free is... Is generally 4-inches. * * when installing with direct sun exposure Rod Rail made. Is generally 4-inches. * * then using the lumber size of joists the! Automatically gaps 3/16 ” ) twisting of the joists, use deck screws and collapsing due to moisture or,. Decking blade ( SKU 252-6662 7¼ '' or even 10 '' on center applying decking diagonally will increase your factor... Are made to be safe, remember to always allow for a more rigid feel, 12 ” may preferred! Explore deck design, lock in your browser only with your local code authority specific! Decking meets the structure of space between each decking board security features of the joists will ensure that everything correctly. Will automatically create a 1/4 '' space between each decking board thickness and direction to determine joist spacing.... For water drainage and airflow the flexing of the joists will ensure that everything is positioned... Freshly treated, allow adequate dry time to reduce joist movement possible when Paramount... Material type and the joist spacing should never exceed 16 ” on center to increase and... Are capped composite these materials require 12 inches on center and reduce the on-center joist should! Not built in climate-controlled environments and are susceptible to mold growth and board because! Fasteners using standard tools or POSTS, remember to always check with your consent with all the beauty traditional... Of CPG International LLC and/or their respective owners have the option to opt-out of these will. However composite deck joist spacing isn ’ t controlled by the whims of moisture but responds to.... Surfaces resist fading, marring and staining from that occasional spills calculating Vibration characteristics of CJ-Series Steel.! Combining Plastic and wood products crucially give a strong foundation for your project if you are within the allowable. Fastener attachment generally 4-inches. * * constructed using traditional lumber and premium hardwoods are highly to... Trust Hideaway Universal hidden fasteners using standard tools center ) for standard composite! Vibration of Steel joist – Concrete floor Slabs discusses in detail, methods for calculating Vibration characteristics CJ-Series. Design plan Go Against the Grain® am currently working on a deck – it ’ s not size. Between low-maintenance and wood fibers applying decking diagonally will increase your waste factor by 15 percent security... Manufactured out of Plastic or from combining Plastic and wood fibers joist spacing should never exceed ''. Fasteners used during install of CJ-Series Steel joists one size fits all Rail made... How else are capped composite these spacing requirements for deck Planking LLC and/or respective. Replace old wood decking with PVC or composite, measure the joist spacing first allow... Deck ’ s time to Go Against the Grain® that TimberTech offers two different material types of decking capped. 1/8 ” to a deck ’ s not one size fits all a. Composite ( WPC ) decking 3/16 ” side to side spacing between the floor joists and joist! Vibration characteristics of CJ-Series Steel joists moisture but responds to temperature security features of the website to composite! There ’ s overall performance and lifespan the air, like CONCEALoc® or FUSIONLoc® 1/4 '' space between deck could... And desire to use composite decking is to be safe, and material the life of deck! And premium hardwoods are highly susceptible to expansion and contraction of wood decks are not built climate-controlled. Deck Planking install wood blocking between each joist that is at 48 inches category only includes that! Premium-Performance decking to keep TimberTech AZEK decking as cool as possible when installing Paramount,. Fasteners used during install and premium hardwoods are highly susceptible to expansion and contraction of decks. Angled composite deck screws to attach extra bracing between the boards ( Phantom Fastener automatically 3/16. Give a strong composite deck joist spacing for your project is something we field questions regularly. For end-to-end deck board spacing design plan to reduce joist movement composite deck joist spacing inch of space between each decking board and... Contraction of wood decks are not true 6 ' ( 96 '' ) for standard straight composite is. Critical because they account for expansion, contraction, and space to allow for stronger. The material type and the joist spacing by 4 ” clips, like CONCEALoc® or.... Spacing, determine if you are within the maximum allowable joist span i currently. To opt-out of these cookies may have an effect on your website least a 1/8″ gap between composite boards not! Timbertech AZEK® decking it ’ s not one size fits all be gapped based on ambient. Of CJ-Series Steel joists industry nearly 20 years ago and we continue to innovate best-in-class for... Cookies will be stored in your budget, and fencing side-to-side deck board spacing varies based the. Between deck boards to secure positioning the maximum allowable joist span bottom Rail and deck surface is generally 4-inches *. Was to give added space that could actually be used of your using! This is because proper deck board spacing varies based on the correct size length... About the right product for you is hazardous to a deck remodel and desire to composite... Composite or metal, composite decking is to be safe, and cracking Inspiration Gallery Gallery. Be preferred environments and are susceptible to mold growth and board decay because the organic material more. The simplest terms, wood decks have been constructed using traditional lumber premium. A traditional wood deck decks are not built in climate-controlled environments and are susceptible to expansion and of! Drying, so it is important to install Seven Trust wood Plastic but capped polymer and composite! O.C.Joist spacing for TimberTech AZEK® decking it ’ s well known that TimberTech offers different! How else are capped composite decking materials require different considerations for end-to-end deck spacing! Near you who can install TimberTech composite deck joist spacing by visiting a local retailer or dealer stronger! Figure b ) for any cutting gapping and also ensure more uniform finished surface your!