Knauf Moisture Resistant Gypsum Boards (green board) are manufactured specifically for use in areas exposed to moisture and humidity. Water absorption: type H1, <5%. Manufactured according to certified standards EN 520 +A1 : 2009 and NA 17036 :2011 plasterboard with 100% natural plaster core and weight of 8.6kg/sqm. Lined with a gree paper liner. Skein offers profiles and accessories for suspension plasterboard ceilings or stud and track for walls.