... of plasterboard are available: regular, fire-resistance, moisture-resistance and water-resistance plasterboard Normal specification: 1,200/1,220 x 2 ... Paper Sticking The Core MaterialUnexposedUnexposedStability (Min)Fire Resistant Plasterboard20//>20/Water Absorption (%)Water Resistant Plasterboard109.5mm//6.812mm//4.2RadioactiveInternalIRa≤1.00.1ExternalIr ...