Quality-crafted with attention to detail, Gentek products combine outstanding beauty and strength with the luxury of a low-maintenance finish. Backed by nearly 50 years of manufacturing expertise, it is a company-wide commitment and never-ending ambition to produce the very best building materials - products deserving of a good name and worthy of the place you call home. We feature Sequoia Select, Signature and Concord lines of vinyl siding as well as Deluxe aluminum siding.