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
In Gypsum Board Suspended Ceiling Systems; It is the profile used in floor and ceiling in walled wall cladding systems.
Gypsum plasterboard is a horizontally applied carrier profile which is applied vertically in Gypsum Board and Wall Cladding Systems.
It is a fine-grained, flexible paste used for grouting and surface finishing.