... glue etc. It is fireproof, sound insulation, heat resistance, light weight, high intension, besides, it is easy ... :A: Standard boardB: Fire-resistant boardC: Water resistant board2.Gypsum board edge:A: tapered edge (recessed edge)B: ... moisture resistant, sound insulation, heat preservation,etc5. Gypsum Board Parameters: Item Standard requirementsValue of Factual MeasurementDeviation of length ...