2
≥
40
Position:
1
Fire damper
2
Solid wall construction
3
Mortar or gypsum
4
Duct
Position:
1
Fire damper
2
Solid wall construction
3
Stuffing box (mineral stone wool min. density 140 kg/m
³)
4
Fire protection mastic min. thickness 1 mm
≥
50
≥
25
4
Used materials - example:*
3
Promapyr, Rockwool Steprock HD, Hilti CFS-CT B 1S 140/50
4
Promastop - P, K, Hilti CFS-CT
* Fire resistant insulation and fire resistant board can be
replaced by another approved fire sealing system for
damper installation with equivalent material properties.
≥
100
≥
100
