![]() ![]() ![]() These are built to a tolerance giving ample space for the board to expand and contract. Our decking fixing system uses clips which sit in grooves. To ensure the effects of contraction and expansion don’t damage your boards, use our specially designed clip system. Composite decking does not, and in fact, when the plastic melts. A big chunk of blue drain pipe big enough to house a couple boards on crossmembers inside and run the steam pipes around the whole shebang on the inside. I've thought about setting up a series of copper pipes drilled with 1/8'th' holes every six or so inches. Also, the way the decking is framed will. 140 degrees isn't hard to maintain with steam. Therefore, allowances must be made to accommodate this. Plastic is notorious for retaining heat and getting very hot in direct sunlight. In extreme cases, large temperature swings can cause the composite boards to expand and contract, and shift around. This fluctuation prevents the deck boards from warping, bowing and splitting. ![]() We have engineered our decking to expand and contract, working with the natural properties of the composite materials. Naturally, composite decking does not expand or contract anywhere as near as much as the “Golden Gate Bridge” but the same principles still apply. If it was the 5/4 planks warming up the kids feet I. Does Trex decking scratch easily The short answer is yes. Had these tolerances not been taken into consideration at the design and installation phase, the roadway would have split resulting in a huge disaster. I’m trying to remember how hotI cant walk on it in the full sun barefoot. Lighten up Man,the thing is you have installed the coolest to walk on material in hot direct sun there is. Like many other outdoor surfaces, such as concrete, asphalt, beach sand, wood decking, other brands of composite decking, etc., Trex decking can get hot due to weather and sun exposure. It has been found that the cables which support the deck expand and contract constantly, causing the height of the deck where the road is to vary in height by 16 feet between coldest and highest temperatures. The “Golden Gate Bridge” in San Francisco has been monitored for movement during fluctuation in temperature. In this case, the first deck board would over hang the fascia by. The fascia board can be installed tight against the rim joist and flush with the top of the frame. Just like a metal bridge, a composite decking board will expand when it gets warmer. The first deck board on a deck build should be positioned on the front rim of the deck, depending on how the fascia is going to be installed. ![]()
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