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Long-Term Water Ingress Issues Solved By Belzona



Buildings & Structures (BSTR)



Roof Problem Areas (RPA)


Customer Location:

University, Manchester, UK


Application Date:



Application Situation:

A large flat roof section divided by a walkway



There had been many issues with water ingress for close to a decade and many patch repairs of various types had been undertaken all with very limited success. The building housed many personnel along with IT and building control system servers. There were several areas where HVAC systems where located that created some complex geometry to work around.



Belzona 3131 (WG Membrane)

Belzona 4141 (Magma Build)



Bitumen / Asphalt


Application Method:

The application was carried out in accordance with Belzona System Leaflets RPA-1 and RPA-8


Belzona Facts:

These issues had been tolerated for long enough and it had become critical that these issues be resolved completely for the long term. The client was looking for a long terms solution that was cost effective and would cause minimal disruption to those working in the building. In close liaison with the university and the occupants of the building the work was undertaken and completed in 4 weeks. The repairs were a complete success and the client delighted with the results


Photographs Description

1. Overview of the roof areas before work commenced

2. HVAC systems located on the roof before work commenced

3. Completion of the HVAC areas

4. Completed Application

Case study pic one


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 Case study pic four


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