Which is the lifetime ? TONDACH ceramic tiles have a lifetime of over 100 years, holding the top position in the tables of roofing materials. More  Flat or pitched roofs ? The shapes of the roofs constitute the result of diversified traditions in local and regional constructions. More	TECHNICAL DATA Width of coating: about. 17 cm Overall width: about. 17 cm Overall length: about. 35 cm Overall weight: about. 51 kg / mp Weight / piece: 1,35-1,45 kg/pieces Required per m²/ pieces: about 37-39 pieces Method of settlement: simple or double   Available colors   00 Natur