9/9/2023 0 Comments Do trex boards get hot![]() ![]() Having a whole deck made from white aluminum may be cooler on the feet…but you're going to need some serious sunglasses.Ĭontact a reliable carpenter to choose the best materials for your deck project. This was the surprise for me as this “gray” seemed lighter than many of the synthetics, which were generally about 8 to 10 degrees warmer over typical lumber choices, and upwards of 20 degrees warmer than my Ipe. Temperatures ranged from about 45 degrees above the shaded Ipe (control) to 83.8 degrees above for the weathered cedar. The surprise for me was the metal decking was the coolest. ![]() Pressure treated (triangular piece): 149.9Ĭonclusions: All decking was hotter from being in the sun…no surprise there. All temperatures are measured in Fahrenheit.ĭecking samples from top (left to right) in above photo Although the composite boards have the look of wood, they aren't Since composite decks don't lose their color over time, you won't need to worry about painting them to keep them looking fresh they remain beautiful on their own. All decking materials will heat up in direct sunlight - that includes wood, composite, stone pavers, or PVC boards. Ambient air temp and “shade” control temps were also recorded.Ĭommon sense would tell you that darker materials would be hotter, and for the most part this was true. NO Painting a composite deck would cause severe damage. After a few hours of exposure, surface temperatures were measured with an IR scanning digital thermometer. All these items were placed in full sun on my deck, elevated on lumber scraps to allow airflow below. I picked up a couple pieces of the aluminum decking and also pulled a number of various materials from my sample kit and a few scraps from my shed. (My girls might think a lower temp as they are tenderfeet.) Being a former engineer and science geek, I decided to perform a quantifiable test that would compare these surfaces side by side. Due to said trees, we have lots of leaves and wet leaves leaves stains. Composite can get too hot, but ours doesnt. If you put a 12' composite board on 16' joists probably the worst thing is itll sag. Decking seems to be uncomfortable for me when it gets upwards of 150 degrees. Some composite decking materials require 12' joists while wood is fine with 16'. I have also stepped on friends' synthetic decks and did the hot foot hustle dance. MaHeat-resistant composite decking is ideal for poolside decks and decks in full sun. Even in the most extreme cases, it is tolerable. My deck is made from Ipe and I have walked barefoot on it for years. On some deck jobs I have picked up metal tools that have been sitting in the sun and quickly reacted…Ouch! Where are my gloves? As a Denver-area deck builder and contractor it got me thinking about the thermal properties of various decking materials. Here in Colorado we get lots of sun and that translates to hot surfaces. Earlier this summer I was reading an article about some folks who installed aluminum decking. ![]()
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