33 | EN
Mounting instructions, PYROLINE
®
BSK fire protection duct
Mounting PYROLINE® Con D BSK on a wall/ceiling
7 10
Creating a wall connection
If the fire protection duct is run through the wall, or meets the wall and
only the cables are run through, the wall connection must be designed
according to the mounting situation and classification.
Mounting situation
Mounting version (p. 34–35)
Duct
Classification period of the
wall/ceiling in comparison
with the duct
I90
I120
E30
E90
Ends in front of
solid wall
Equal or higher
A
A
A
A
Less
Not permit-
ted
Not permit-
ted
–*
Not permit-
ted
None
Not permitted
Not permit-
ted
Not permit-
ted
Not permit-
ted
Pass through solid
wall
Equal or higher
B
B
B
B
Less
B
B
B
B
None
B
B
B
B
Ends in front of
light-duty partition
Equal, higher, less or none Not permitted Not permit-
ted
Not permit-
ted
Not permit-
ted
Pass through
light-duty partition
wall
Equal or higher
B
B
B
B
Less
B
B
B
B
None
B
B
B
B
Ends under the
ceiling
Equal or higher
A
A
A
A
Less
Not permitted
Not permit-
ted
–*
Not permit-
ted
None
Not permitted
Not permit-
ted
Not permit-
ted
Not permit-
ted
Pass through
ceiling
Equal or higher
B
B
B
B
Less
B
B
B
B
None
B
B
B
B
*Combinations not possible as the wall classification cannot be less than 30 minutes.
Tab 6:
Mounting situations, wall connections
