What material is the right choice for my deck? | Angie's List18 Dec 2013 ... The best technology is called cellular PVC. It has a very tough surface that is difficult to scratch. The colors are very stable, so fading is not a problem. They are impervious to moisture damage and therefore easy to clean. Most spills can be cleaned up with soap and water. Each company has a different warranty, but across the board, the protection is fairly comprehensive. The best performance we have seen with non-wood decking has been in Azek and 's ...