38
Screws has to be fixed in wall/ceiling construction.
(If it is needed use steel bracket).
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
6
Rockwool Wired Mat 105 th. 60 mm
**
Stuffing box, fire protection mastic, cement lime plate and
insulation materials can be replaced by another approved fire
sealing system for damper installation with equivalent material
properties.
***
Depends on the distance of the flap from the construction, when
the maximum distance from the construct is not limited and
according to EN 15882-2 must use the required number of
hinges according to EN 13366-1:2014.
**** For installation methods outside a construction, when the
damper size is A ≥ 800 mm, it is necessary to use the VRM-Q
reinforcing frame, see Fig.79.
Assembly - reinforcing frame U25x40x25 see Fig.80.
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
Stone wool with one side stitched wire fencing (min.
density 105 kg/m
³
), thickness 60 mm
7
Steel sheet reinforcement U25x40x25 placed between
layers of stone wool ****
8
Duct
* Around the perimeter
≤
75*
≥
20*
≥
100
6
0
1
2
0
≥
100
variable***
≥
400
≤
300
≥
25
Screw
(min. 4x50)
≤
300
≥
25
≤
300
