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: 20,0 cm Length of coating: 35,0 cm Overall width: 25,0 cm Overall length: 42,5 cm Overall weight: about 40 kg Weight / piece: 2.80 kg / piece Required per m²/ pieces: 14.5 pieces / m² Fixed distance between the slats: 35,5 cm   Available colors   00 Natur