Porcelain roof tiles:Mildew and Leakage Resistance,Maintenance Free,Heat Insulation,Ease of Installation,Colour Resistance Detailed Product DescriptionProduct Name:Porcelain roof tilesSize: 310x420x9mm Quantity ... and rot. Our tile meets or exceeds industry requirementsfor strength, water absorption, permeaability, freeze-thaw, wind uplift,combusitibility, dimensions and weight. Porcelain roof tiles ...