28
RDT-43-0921
®
NORD
fire
|
FDMA-PM
www.etsnord.com
Fig. 34 Solid ceiling construction- stuffing box, fire protection mastic and cement lime plate
Screws has to be fixed in wall/ceiling construction.
(If it is needed use steel bracket).
* 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
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
system for damper installation with equivalent material properties.
The damper must be anchored to the fire ceiling construction!
Shown schemes of incorporation and damper are illustrative only!
EIS 90