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
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.
The main and secondary carriers in Gypsum Board Suspended Ceiling Systems; It is the profile used as main carrier in walled wall cladding systems.