UserManual PKI Cen GB

8/32 | User Manual PKI-C | 201904
Opening Preparation for the Rigid Wall
Fig. 1: Rigid wall/ceiling with a circular opening
1 Concrete/masonry/cellular concrete
Legend
Minimum Fire Resistivity
Minimum s (mm)
Wall Ceiling
Concrete/Masonry Cellular Concrete Concrete/Masonry Cellular Concrete
60 100 ± 10 125 ± 10
90 125 ± 10 150 ± 10
120 150 ± 10
Tab. 1: Thickness of walls/ceilings
D
N
+
6
0
S
1