... resistance MGO roof 1)heat insulation 2)soundproof 3)waterproof 4)good acid and alkali resistance high usage roofSpecification: (mm)Width: ... 9±0.3ridge tile: 1100*800Functions: heat insulation, soundproof, waterproof, good acid and alkali resistance, fireproof, high intensity, high usage Payment ... Northern Europe, Oceania, South Asia, Southeast Asia, Western Europe acid and alkali resistance MGO roof