16
*
*
Position:
1
Fire damper
2
Solid ceiling construction
3
Stuffing box (mineral stone wool min. density 140 kg/m
³)
4
Fire protection mastic min. thickness 1 mm
5
Duct
** Around the perimeter
* 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
* min. 110 - Concrete/ min. 125 - Aerated concrete
≤
75**
≤
75
≥
20
Position:
1
Fire damper
2
Solid ceiling construction
3
Mortar or gypsum
4
Duct