It is recommended that there should be a 5mm gap between the ends of your composite deck boards. When using WOOD/COMPOSITE SCREWS, nominal 1" thick boards require a minimum #8 - 2 1/2" or longer screw for fastening. So, you should make sure to check with your composite decks’ maker for advice so that you will know the expansion level of your deck. The installation process of composite decks is easy because you can choose between the surface installation and the hidden installation. Note: To allow for expansion and maintenance, please be sure to keep a 30mm expansion gaps between all sides of your deck and … It will add beauty to your outdoor space and provides plenty of privacy. Everlast decking should be stored flat. When installing composite decks, there are procedures that you must follow to make the process simple and to stick to best practice. This is because there is no need for you to sand and oil composite decks to preserve them. Composite decking has 60% timber content to prevent damage. When you are installing your deck, you should not allow your composite decking board to meet at both ends. Leave proper expansion gaps: With the change in temperature, composite boards can expand and contract along the length of the board. The color of your composite decking matters because it affects how your deck expands. There are some factors that affect composite decks expansion. The Expansion and Contraction gaps on a back to back butt joins generally on the inner gaps must be 5mm or the thickness of a Best Deck Clip on its side. For composite decks, you need to leave some gaps during installation. These are known as expansion gaps as they allow rainwater to easily run through the decking (rather than pool in an unwanted puddle) and for the deck to expand and contract due to changes in the … ... slim objects can be lost through the gap so I opted for a 4 mm gap. Composite decking will transform your outside living space and give it a real wow factor.It's hard wearing with no need to stain, seal or sand it. Senate WPC decking boards will expand and contract at a rate of around 0.3% to 0.5% of the boards length. EXPANSION GAPS: Like a wood composite decking, ECO BAMBOO COMPOSITE DECKING also expands, although this is less than with polypropylene or polyethylene based decking products. If joining 2 lengths of board together, make sure both ends are supported by separate Joists. The width of the Wickes range of composite decking … » Note, Trex fascia has to be gapped width-to-width and end-to-end the same as … In cooler climates, some composite boards expand at approximately 0.75 mm/m of a composite deck board. What Are the Different Methods Of Installing Composite Decking? When this happens, the dark-colored composite decking will expand more than the light-colored composite decking. Homeowners prefer composite decks because of the ease that comes with maintaining them. Dark brown composite decks, for example, will absorb heat than light brown composite decks. Composite decking expand because of a change in the temperature of the location they are installed. It is recommended that there should be a 5mm gap between the ends of your composite deck boards. Gapping also allows for the shrinkage of the wood joist system. Each decking species will have different movement properties, but let’s use Ipe as an example. Expansion gaps … I’m using composite decking - will this be okay on a timber subframe? Composite decking expansion and contraction, deck board installation technique, butt joints, butt joins, staggered joins, breaker boards ... Trex Composite Decking, ... if you allow gaps between the boards from side-to-side and at the end joints this will allow for thermal expansion and contraction. This means that composite decks built in the garden or lawn will absorb heat more than composite decks that are built in the balcony. Staining Problems With Trex Decking. Notch your composite decking material around rail posts. So, if you live in an environment that is hot, it is recommended that you choose composite decks that are light-colored. The size of the gaps must be even and consistent to give a pristine finish, but the choice of gap size is yours. Make sure to leave at least an 1/8" gap for thermal expansion. That’s why the board ends should never be installed tight against one another. The next section explains why composite decking expand. Make sure the composite deck boards do not over hang the joist at the edge by more than 20mm and a 20mm expansion gap should be left between the wall or other fixed objects surrounding the composite deck. There should always be a slight gap. Composite decks that are exposed to direct sunlight absorb heat more than decks that are positioned under shade. Our fastener system is designed to act as hidden spacers to effortlessly create equal gaps … Nominal 2" thick boards require a minimum #8 - 3" … The polyethylene used in our decking boards is a high quality, … How much of a gap? The outer gaps must be a minimum of 8mm from anything prohibiting from expanding. When leaving an expansion gap for each board, compare the current installation temperature (ambient) to what is … Repeat until your deck is the required length. They are heat, the deck’s color, and the location you place the deck. So, when you are laying your composite decks on the joists, you must make sure that you leave at least 5mm space between the composite decks. First, ensure that the deck boards are aligned properly. If you reside in hot regions that have frequent temperature change, you need to leave a larger gap than you would if you live in a region where the temperature doesn’t expand. The fixing of composite … DuraLife composite decking products are uniquely manufactured with a super-strong, co-extruded polypropylene outer shell that forms a “force field” around three sides of the board. © Copyright 2020 CompositeWarehouse – Composite Decking Supplier. So, it is advised that you leave a space of 5mm between the edges of the decks. If we install a typical 1×6 Ipe decking board today using our weather conditions of 90% humidity and 96° while assuming the wood is 5.5″ wide, it will maintain that width through the heat and humidity; however, as we draw into … Decking Boards Description. ENVISION Composite Deck Screws and EverGrain Composite Deck Screws are color matched deck screws designed for use with EverGrain and Envision. This is because dark-colored composite decks absorb heats more than light-colored composite decks. for 2.4m length boards 7mm gap should be left when butting. Not sure of the type of composite decking or the colour you want? So, when composite decks are exposed to high temperature, they expand at all sides. That will depend upon air temperature at the time of installation (Read this to learn more). INITIAL HINTS AND TIPS FOR INSTALLING HALLMARK COMPOSITE DECKING 7. Full details are available upon request. If stored outdoors the decking should be kept in a covered area to prevent exposure to direct sunlight and weathering. Composite decking is made from recycled wood and plastics, so no trees are fallen to make the board. Blacking like this was a problem with 1st generation Trex decking that has been corrected with newer models. The decks are exposed to direct sunlight absorb heat more than the composite... 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