21
Position:
1
Fire damper
2
Gypsum plate
3
Mineral wool (type depending on the type of construction)
4
Mortar or gypsum
5
Duct
≥
40
≥
100
Installation opening has to
be reinforced by profile
(UW, CW). Profil is fixed by
screws
≥
3,5 mm with corre-
sponding length. Distance
between screws
≤200 mm.
Position:
1
Fire damper
2
Gypsum plate
3
Mineral wool (type depending on the type of construction)
4
Stuffing box (mineral stone wool min. density 140 kg/m³)
5
Fire protection mastic min. thickness 1 mm
* Fire resistant insulation and fire resistant board can be
replaced by another approved fire sealing system for
damper installation with equivalent material properties.
Used materials - example:*
4
Promapyr, Rockwool Steprock HD, Hilti CFS-CT B 1S 140/50
5
Promastop - P, K, Hilti CFS-CT
≥
100
≥
25
≥
50
Installation opening has to
be reinforced by profile
(UW, CW). Profil is fixed by
screws
≥
3,5 mm with corre-
sponding length. Distance
between screws
≤200 mm.
5
