Back Pressure Sealing

The back pressure sealing is for sealing between roof outlets and downpipes. With its lip seal design it is approved for resisting a water pressure of 1 metre water guage, and it fits DN downpipe dimensions.

APPLICATIONS
To be placed on the roof outlet pipe when this is inserted into the downpipe. The sealing design is type-approved and can resist a pressure of 1 metre water guage. When installed, the sealing should be placed no more than 1 metre below the highest possible water level.
MATERIALS
The back pressure sealing is made from EPDM rubber, hardness 65 HV.
APPROVALS
Tested and certified by TÜV Rheinland in accordance with EN 1253.