... Insulation,Ease of Installation,Colour Resistance Detailed Product DescriptionProduct Name:Interlocking roof tilesSize: 310x420x9mm Quantity: 10 pcs/m2, 8pcs/ctn ... Roof Tile 2. Flat Shingle Roof Tile 3. Doulbe Barrel Interlocking Roof Tile 4. Japanese Roof Tile 5. Circular Tri-barrel ... absorption, permeaability, freeze-thaw, wind uplift,combusitibility, dimensions and weight. Interlocking roof tiles