23
**
The materials for stuffing box, fire protection mastic, lining and insulation materials
can be replaced by another approved fire sealing system with equivalent properties.
The maximum distance of the fire damper from the structure is not limited and
according to EN 15882-2, the required number of suspensions acc. to EN 1366-
1:2014 must be used.
≥
25*
≥
100
≥
40*
* Around the perimeter
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
Stone wool with wired mat on one side,
density 66 kg/m³
7
Duct
Installation opening has to
be reinforced by profile
(UW, CW). Profil is fixed by
screws
≥
3,5 mm with corre-
sponding length. Distance
between screws
≤200 mm.
Used materials - example:**
4
Promapyr, Rockwool Steprock HD, Hilti CFS-CT B 1S 140/50
5
Promastop - P, K, Hilti CFS-CT
6
System ISOVER_ULTIMATE PROTECT, th. 100 mm
5
