No! In fact, Varitile Stone Coated Steel Roof panels are made from high quality 26-gauge, pre-primed, galvanized steel that is coated with an acrylic base coat. Ceramic earth-stone granules are then embedded over this base coat. Finally, a clear acrylic over-glaze is applied and baked on. This provides your home with a long-lasting, durable and fade-resistant protection for a lifetime of enjoyment.