It is a joint filler plaster used to fill joints in gypsum plasterboard joints.
Product Standard: TS EN 13963
It is a special Gypsum Board type which is covered with glass fibre mattress and has fire resistance for up to 3 hours.
This profile is used for curved suspended ceiling applications.
Gypsum plasterboard is a horizontally applied carrier profile which is applied vertically in Gypsum Board and Wall Cladding Systems.