4
≥
40
≥
50
≥
100
Screws has to be fixed in wall/ceiling construction.
(If it is needed use steel bracket).
≤
300
≤
300
Screw
(min. 4x50)
≥
25
≥
25
Position:
1
Fire damper
2
Solid wall construction
3
Stuffing box (mineral stone wool min. density 140 kg/m³)
4
Fire protection mastic min. thickness 1 mm
5
Cement lime plate min. thickness 15 mm min. density 870 kg/m³
6
Duct
Used materials - example:*
3
Promapyr, Rockwool Steprock HD, Hilti CFS-CT B 1S 140/50
4
Promastop - P, K, Hilti CFS-CT
5
Promatect - H
* Fire resistant insulation and fire resistant board can
be replaced by another approved fire sealing sys-
tem for damper installation with equivalent material
properties.
