Stone-coated steel roofing tiles, also known as metal roofing or composite tiles are high-end roofing material due to their long life span and very low maintenance costs. Stone-coated steel roofing tiles present the appearance of traditional shingles and provide the durability and trustworthiness of metal. Stone-coated steel roofing is finished with a thick layer of stone that permanently adheres to the surface and provides the aesthetic looks. Bestor Grupp offers stone coated steel roof tiles made by Queentile. Queentile provides its composite tiles with a 50-year warranty!