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 18,6 cm Overall width: about 21 cm Overall length: about 40 cm Weight / piece: 2 - 2,2 kg Required per m²/ pieces: 18 - 21,5 pieces Method of settlement: tied and in network Fixed distance between the slats: 25 - 28 cm   Available colours   00 Natur