Sep 12 2020 in WPC Decking Tips 2020-09-12. When you have decided to buy composite decking you may consider how to seal the ends. The color of the exposed decking end is different from that of the surface. If you lay a hollow composite decking the inner hollow structure will be seen at the end of the decking board which will affect the overall appearance.
May 25 2016 It is not mandatory to seal your composite decking; however you can do it to maintain its nice aspect for a long period of time. Remember that putting a sealant on your composite decking will make it more resistant to mildew meaning you won’t have to clean it as often as if you let it without anything but you will have to reseal it over time and maintain it.
Some of the major composite decking companies like Timber Tech and Azek claimed that the composite decking material did not need to be cleaned or sealed like wood decking. Over the years many of the composite decking companies found themselves in class action lawsuits with deck owners because the composite material was prone to water damage fading and mild/mildew and in fact did need …
You don’t have to seal the surface once it’s been cleaned but I suggest you do. By properly sealing or staining composite decking you could get several years of use out of it before you need to clean it again. If you decide not to seal the deck you will most likely need to plan on cleaning it again every year or so. Choosing the Right Composite Decking Stain is the Key