![]() ![]() Since the PVC boards are "warranty" for 50 years, it will out live us. Since the picture framing is mostly under the rails, we aren't walking on the Mahogany boards.ĭidn't really like the cost of the boards $$$$ but being able to walk on the deck in bear feet overrode the cost. We picture framed the deck with AZEK Mahogany (2 boards) which was also a "cooler" decking but would burn our feet. The Weathered Teak was very similar to our siding so that was our choice. I would have loved to go with a brown color but ever sample I laid out on the deck prior to selection was way to hot. During my testing, I found this was the only color / decking that I was able to walk on in my bear feet. We just did a 750 sqft TimberTech AZEK Weathered Teak $$$$ deck in full sun. The shallow angle of sunlight at 4 pm lowers temps over 20º from 1 pm highs." And a corollary to the sun’s supremacy is the time of day. ![]() When passing clouds hide the sun for several minutes, deck temperatures drop 6º to 8º on most decking, and as much as 24º on one deck board. It makes deck temperatures 34º to 76º hotter than ambient air. The light weight all-PVC boards from Zuri, Azek, and Fiberon are the hottest." Indeed, the warmest deck boards are also the lightest. It is heavier than all-PVC but noticeably cooler (roughly 20º cooler). Cap stock has a composite core - wood mixed with plastic. "Cap stock decking is cooler than all-PVC deck boards. " I cannot begin to summerize (is that a word?) his results. For comparison, I included several wood species, concrete, brick, and asphalt. In 2017 the guy tested "63 synthetic deck samples from six manufacturers, in 17 product groups. Using multiple readings and the average button, the gray boards are 115 and the dark walnut are 119.7. It's great for checking the boat trailer hub temps on long trips. In the end, we didn't go with a super light color (in order to minimize reflected light into the house.) We did go with my wife's first choices - Harbor Grey from the Seaside Collection (has some light blue in it) with single-board Dark Walnut picture framing. I can walk barefoot across the asphalt driveway in front of our 3-car garage, but I won't stand on it either. Darker was hotter than lighter, but they weren't all that far apart and none were cool enough to stand on for very long. While we were on the contractor's waiting list for 8 months I used a $13 infrared thermometer to measure temps of the dozen color sample boards we had. All get direct sun from 8 until a couple of hours before sunset. ![]() We had 2.5 decks replaced this spring with Wolf Serenity PVC decking. I understand that a lighter color will provide a cooler surface, but we are torn between getting a darker color similar to our current barnred, or a cooler color, which may be too white and may reflect heat into the house? Is this a real worry? Is the heat difference that much? I have samples, but making a decent evaluation from 4” is difficult.ĭo you have experience with these materials, any regrets for a decision you made, or any recommendations?Īlso, any suggestions for a cost effective under-deck Ceiling to keep the patio dry on rainy days? (My contractor quoted $5k for a corrugated pvc ceiling. Trex enhance basic (Top half PVC, no volt variation) Trex Transcend composite (top half covered in PVC, with color variation) Timbertech Azek composite (fully encapsulated in PVC, with color variation) Timbertech Azek, (100% PVC, said to be cooler to the touch, with color variations in the board) We are planning to replace the deck boards and are seriously looking at composite materials. We usually use the deck for breakfast, and in the evenings for grilling and an outdoor dinner. The deck floor, currently, wooden, stained barnred, is hot to walk on when barefoot, from around 10 am until 4 pm. At about 1pm, the house starts to provide shade, and by 3 pm the deck floor is in the shade. Tall trees 60 feet away provide shade until 9:00 am, when the sunshine starts to heat up the floor. We have a 600 sq ft deck on the main level, above a walk out basement patio, on the east side of the house, located in the Southeastern US. ![]()
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