Tight Rubber Tile 1)ASTM, ISO9001, EN1177 certificates; 2)highly integrated and tight; 3)resistant to strong wind, etc. Rubber Tiles as Roofs MaterialSBR rubber granulesThickness15-90mmSize500mmx500mmColorBlue, black, grey, red, green, etc.StructureTwo layers: fine top layer and rough bottom layerCertificateASTM, ISO9001, EN1177FeatureHighly integrated, anti-moisture, anti-corrosion, anti-slide, ...