![background image](http://html2.mh-extra.com/html/mandik/fdmr/fdmr_installation-instructions-manual_4004344019.webp)
19
≥
40
≥
40
*
Used materials - example:**
3
HILTI CFS-CT B 1S 140/50 or
ROCKWOOL HA coating HILTI CFS-CT
4
HILTI CFS-CT
5
HILTI CFS-S ACR
** Fire resistant insulation and fire resistant board can be
replaced by another approved fire sealing system for
damper installation with equivalent material properties.
Position:
1
Fire damper
2
Solid ceiling construction
3
Stuffing box (mineral stone wool min. density 150 kg/m³)
4
Fire protection coating th. 1 mm
5
Fire protection mastic th. 1 mm
6
Duct
* min. 110 - Concrete/ min. 125 - Aerated concrete