It is a primer applied to the edges of the plate in drywall systems to prevent dusting.
This profile is used for curved suspended ceiling applications.
The main and secondary carriers in Gypsum Board Suspended Ceiling Systems; It is the profile used as the main carrier in walled wall cladding systems.
It is a special Gypsum Board type which is covered with glass fibre mattress and has fire resistance for up to 3 hours.