Case studies

Fixing a Maintenance Hole using Chimney Patch & Repair (CPR)

Chimney Patch & Repair (CPR) rehabilitates sewer MH extending the service life and reducing water, soil and root ingress.


Large gaps allowing infiltration of water and soil as well as root intrusion below frame.


Simple to use, the rehabilitation is complete in around 15 minutes with Chimney Patch & Repair renewing the sewer asset and preventing further soil and water ingress.