It is a special Gypsum Board type which is covered with glass fibre mattress and has fire resistance for up to 3 hours.
Product Standard: EN 15283 – 1 GM-F
It is a fine-grained, flexible paste used for grouting and surface finishing.
It can be used in all kinds of wet volume and humid environment, water repellent properties of lightweight gypsum plate type with a smooth surface. The front side is covered with green paper and the backside is covered with grey paper.
In Gypsum Board Partition Systems, it is the profile applied horizontally.