9
≤
75
≥
20
≥
100
Position:
1
Fire damper
2
Gypsum plate
3
Mineral wool (type depending on the type of construction)
4
Mineral stone wool min. min. density 140 kg/m
³
5
Fire protection mastic min. thickness 1 mm
6
Duct
Used materials - example:
4
Promapyr, Rockwool Steprock HD, Hilti CFS-CT B 1S 140/50
5
Promastop - P, K, Hilti CFS-CT
Installation opening has to
be reinforced by steel U-
profile. Profile is fixed by
screws ≥3,5 mm with corre-
sponding length. Distance
between screws ≤200 mm.
≥
100**
≤
75*
Position:
1
Fire damper
2
Gypsum plate
3
Mineral wool (type depending on the type of construction)
4
Mortar or gypsum
5
Duct
* Around the perimeter
Installation opening has to
be reinforced by steel U-
profile. Profile is fixed by
screws ≥3,5 mm with corre-
sponding length. Distance
between screws ≤200 mm.
