8/48 | User Manual S-BM2 | 202010
Opening Preparation for S-BM2 Installation
The S-BM2 smoke control damper can be installed in a supporting construction between zones classified
as “multi-multi”, “multi-single” and “single-multi”.
Opening Preparation for a Rigid Wall
Fig. 1: Rigid wall/ceiling with a rectangular opening
NOTE: Dimensions
W
1
and
H
1
are defined in every installation
Tab. 3: Thickness of tested wall
Fire Resistivity
Minimum
s
(mm)
Wall
Concrete/Masonry/Cellular Concrete
90
125 ± 10
120
150 ± 10
Legend
1
Concrete/Masonry/Cellular Concrete
s
1
W
1
H
1