43
Position:
1
Fire damper
2
Gypsum plate
3
Mineral wool (type depending on the type of construction)
4
Stuffing box (mineral stone wool min. density 140 kg/m³)
5
Fire protection mastic min. thickness 1 mm
6
Cement lime plate min. th. 15 mm (min. density 870 kg/m³)
7
Duct
Used materials - example:
4
Promapyr, Rockwool Steprock HD, Hilti CFS-CT B 1S 140/50
5
Promastop - P, K, Hilti CFS-CT
6
Promatect - H
≤
75*
≥
20*
≥
100
≤
300
≥
25
Screw
(min. 4x50)
≤
300
≥
25
≤
300
* Around the perimeter
The screws must be firmly anchored in
the profile of gypsum wall construction.
Installation opening has to
be reinforced by steel U-
profile. Profile is fixed by
screws ≥3,5 mm with corre-
sponding length. Distance
between screws ≤200 mm.
