... stone coated metal roof tile, one of a series of Good Roofing tiles, is an ideal substitute for its conventional counterparts ... Sturdy and durable: It is so far the most economical roof age, for it is waterproof and heatproof, freezing tolerance, fireproof ,ageing ... installation and maintenance.d) Windproof: It is suitable for all kinds of roof, including that of high buildings due to its special ...