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 joint filler plaster used to fill joints in gypsum plasterboard joints.
It is a topcoat levelling plaster applied by hand in interior spaces.
It is used to protect outer corners against impacts and to obtain a smooth surface in drywall applications.