We want to build a 20' X 32' deck on the back of our house. We wanted the lowest maintenance material and thought a composite like Wolf or Timber Tech was the solution. Two friends advised composite is not good on a southern exposure deck. Planks will warp and will fade. Is this true? We get direct sun most of the day.
Composite decking is a great product if installed correctly. Typically, composite decking will last longer than wood and requires less maintenance. Many people who have problems with composite planks warping is because they have installed the planks over wood joists. When composite planks warp, the wooden joists below expand and contract with the weather condition and water absorption. Unlike wooden planks that have the same characteristics as wooden joists, composite planks are ridge and unaffected by weather and water. The system is designed to be installed over the manufacture's approved joist systems. The joist that are designed for composite decking systems are typically galvanized steel with powder coated paint. Also, joist spacing with composite decking is crucial; make sure you verify the manufacture's design and layout plans before building.
As for the color fading, yes over time it may. However, there are products the manufacture will have to help with maintaining the longevity, vibrant color, and look of your deck.
In the end, just ensure you and all installers read all the literature associated with the deck system you pick, and purchase the recommended products to ensure longevity of your deck.
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