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
Gypsum plasterboard is a horizontally applied carrier profile which is applied vertically in Gypsum Board and Wall Cladding Systems.
It is a special drywall type which has high sound insulation and can be applied quickly and easily. The front and back sides are covered with brown paper.
This profile is used for curved suspended ceiling applications.