height:38/50mm length:3000mm standard thickness:1.2mm height:38/50mmlength:3000mmstandard thickness:1.2mmcoating:normal powder coating,outdoor polyester powder coating,fluorocarbon coatings1.sound insulation,heat insulation and heat preservation2.fireproof,damp-proof and rust resistant3.superior-flat and excellent-rigid4.weight,energy sawing and environmental amiable5.it is easy to apply ...