... 320N/M. water proof, damp proof, anticorrosion, antifoaming sound insulation, heat insulation High hardness and suitable toughness elasticity ageing ... and main building materials product in modern society.The excellent performances:1,sound insulation,2, heartinsulation,3,firmly,4,durable,5 ... *960*528Ridge Tile (changable)100*350*52Ridge Tile(Fixed)1000*620*56500*620*53Small tile420*330*52420*620*73 [ ...