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. 55 kg / mp Weight / piece: about. 1,35 - 1,45 kg Required per m²/ pieces: about. 37 - 39 pieces Method of settlement: simple or double Minimum inclination angle with boarding: 24° (double settlement), 31° (simple settlement)   Available colors   00 Natur