KHIA headerKnow-How in Action


Belzona® Saves University Library From Water Ingress



Buildings & Structures (BSTR)



Roof Problem Areas (RPA)


Customer Location:

Library at a Manchester University


Application Date:



Application Situation:

Long stretch of roof lights over library allowing natural light into the building



Water ingress was discovered resulting from failure of the sealing materials between the glazed units, caused by UV attack and constant movement due to thermal expansion.



Belzona 3121 (MR7)



Glass, Metal


Application Method:

The application was carried out in accordance with Belzona System Leaflet RPA-3. 


Belzona Facts:

The client required a quick, safe and cost effective solution to the water ingress issues. There was the potential for slips on wet floors, water damage to library books and electrical equipment. Removing and replacement of the sealant could have resulted in damaged glazed units, additional time, costs and the danger of falling glass. The work was carried out very successfully over a 15 day period causing minimal disruption and saving the client substantial costs.


Photographs Description

1. Overview of the units

2. Close up of the damaged area

3. Internal view

4. Completed application with Belzona 3121 in place

Case study pic one


 Case study pic two


 Case study pic three


 Case study pic four


For more information about Belzona visit: