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4
Lay the air ducts by securing them to the surface with
mounting tape.
5
Place two seals on each duct end on the flange
connection side.
WARNING! Before the ducts are covered with concrete, make sure to provide extra sealing for the joint between the
duct and the flange and the joint between the flange and the plug using a cold shrink tape.
6
Insert the ducts with the sealing rings into the
flanges.
7
Close the unused flanges with plugs.
8
Secure the duct and the plugs using the lock rings.