19
≥
100
(≥
100)+50
D
-2
0
≥
D
+
1
0
0
D-20
D-
20
≥
100
≥
D
+
1
0
0
≥
1
0
*
≥
10*
≥
10*
≥
1
0
*
Position:
1
Fire damper
2
Mortar or gypsum
3
Stuffing box (mineral stone wool min. density 140 kg/m³)
●
Gap between damper and construction is filled
by mortar or gypsum and mineral wool
●
Wool is fixed to damper body and construction
by fire protection mastic.
●
Mineral wool thickness = construction thickness
+ 20 mm or 50 mm
●
Installation is valid for ceiling construction
