9
25
≥
100
Position:
1 Fire damper CFDM
2 Solid wall construction
3 Mortar or gypsum
4 Duct
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.
Make installation
Opening
Install duct in
the Opening
Fill gap
Insert damper
in the duct