... 2)soundproof 3)waterproof 4)good acid and alkali resistance heat resistant mgo roof panelSpecification: (mm)Width: 1020 Maximum length: 5000Thickness: 4 ... .2 Weight(kg/m2): 9±0.3ridge tile: 1100*800Functions: heat insulation, soundproof, waterproof, good acid and alkali resistance, fireproof, ... America, Northern Europe, Oceania, South Asia, Southeast Asia, Western Europe heat resistant mgo roof panel