12
150*
* min. 110 - Concrete/ min. 125 - Aerated concrete
* Fire resistant board and fire stop coating can be
replaced by another approved fire sealing system for
damper installation with equivalent material properties.
D+60 to 800
max. 2050
D+60 to 800
max. 1650
Make installation
Opening
Install duct in
the Opening
Fill gap and cover
duct by fire resistant
coating
Insert damper
in the duct
Position:
1 Fire damper CFDM
2 Ceiling wall construction
3 Fire resistant board
4 Fire stop coating thickness 1 mm
5 Glass fiber felt with aluminium foil width
50 mm, thickness 5 mm
6 Duct
Used materials - example*:
3 - Hilti CFS-CT B 1S 140/50
4 - Hilti CFS-CT
≥
50
≥
50
