Mastic siding from Ply Gem has been the number #1, low maintenance choice among homeowners, builders and remodelers for generations. We at Home Remedy prefers Mastic premium siding because it stands up to extreme weather, requires little maintenance, and is an eco-friendly choice for your family. PlyGem, a 75 year leader in performance home exteriors, provides industry leading V.I.P. limited lifetime warranty backed by Ply Gem, the 75-year leader in pioneering performance home exteriors.