22
RDT-43-0921
®
NORD
fire
|
FDMA-PM
www.etsnord.com
Fig. 28 Gypsum wall construction- stuffing box, fire protection mastic and cement lime plate
EIS 90
Screws has to be fixed in wall/ceiling construction.
(If it is needed use steel bracket).
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. thickness 15 mm
(min. density 870 kg/m³)
7 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
Installation opening has to be
reinforced by profile (UW, CW).
Profil is fixed by screws ≥3,5 mm
with corresponding length.
Distance between screws ≤200 mm.
* 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 wall
construction!
Shown schemes of incorporation and damper are
illustrative only!