... Order Quantity: 500 Square Meter/Square Meter SpecificationsColor Stone Coated Roof Tile Size: 1400*420mm Cover: 2pcs/sm High ... , easy installation, windproof Light weight: 6kg/smColor Stone Coated Roof Tile's base layer is 120g/sm al-zinc ... without obvious changesWater Proof240h without bubbles,without obvious color changesUV SYSTEM60°C UV 1000hrs without obvious changes color stone coated roof tile