24
Position:
1
Fire damper
2
Solid ceiling construction
3
Mortar or gypsum
4
Duct
≥
40
*
* min. 110 - Concrete/ min. 125 - Aerated concrete
Position:
1
Fire damper
2
Solid ceiling construction
3
Stuffing box (mineral stone wool min. density 140 kg/m³)
4
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.
* min. 110 - Concrete/ min. 125 - Aerated concrete
Used materials - example:**
3
Promapyr, Rockwool Steprock HD, Hilti CFS-CT B 1S 140/50
4
Promastop - P, K, Hilti CFS-CT
≥
25
≥
50
*
4
