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Leak-Free Skylights With Belzona!



Buildings & Structures (BSTR)



Roof Problem Areas (RPA)


Customer Location:

Missouri, USA


Application Date:

June, 2013


Application Situation:

Poorly engineered rooftop skylight(s) leaking into the main hallway and traditional roof repairs failed.



The skylights in several different schools were leaking into the faculty and student areas below. Periodic temporary measures, such as caulking and mastics had been tried without solving this constant maintenance issue.



Belzona 3111 (Flexible Membrane)

Belzona 3911 (PSC Surface Conditioner)

Belzona 9311 (Reinforcement Sheet)





Application Method:

The application was carried out in accordance with Belzona Know-How System Leaflets RPA-3 & RPA-8 using Belzona 3111.


Belzona Facts:

Belzona was chosen as the solution to this problem due to its permanency in service and the offering of a full turn-key application. The skylights are finally leak free!


Photographs Description

1. Consultant  and School Official discussing the project in the main hallway directly below the leaking skylight. 

2. Picture of a leaking skylight 

3. Application of conditioner prior to meshing the seams 

4. Completed repair with Belzona 3111 applied to the seams, flashing and glazing

Case study pic one


 Case study pic two


 Case study pic three


 Case study pic four


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