It is a special Gypsum Board® type which has the ability to hold X-ray rays and also has high sound insulation.
Product Standard: EN 520 – TYPE DF
In Gypsum Board Partition Systems, it is the profile applied horizontally.
In Gypsum Board Suspended Ceiling Systems; It is the profile used in floor and ceiling in walled wall cladding systems.
It is a special Gypsum Board® type which is resistant to impact, its strength, fire and water resistance and sound insulation properties have been increased. The front and back sides are covered with blue paper.