KHIA headerKnow-How in Action


Belzona® Repairs Refinery Boiler Room Roof



Petrochemical (PETR)



Roof Problem Areas (RPA)


Customer Location:

Oil & Gas Company, Saudi Arabia


Application Date:

February 2010


Application Situation:

Parapet wall on Boiler room.



Spalled concrete on the parapet side of the roof allowed water ingress that resulted in flooding inside the Boiler Room.



Belzona 4111 (Magma Quartz)

Belzona 3111 (Flexible Membrane)



Concrete and Galvanised Iron Sheet


Application Method:

Application was carried out in accordance with Belzona Know-How System Leaflets RPA-9, RPA-10 & RPA-11. Spalled concrete was rebuilt with Belzona 4111 before weatherproofing area with Belzona 3111 system.


Belzona Facts:

This was the first time this type of repair solution was carried out for this customer. However, previous successful Belzona solutions in other parts of the plant gave them the confidence to use Belzona in this situation. Belzona 3111 system bonds to most surfaces so ideal for sealing between dissimilar surfaces.


Photographs Description

1.  View of damaged parapet wall 2. Concrete repair using Belzona 4111 3. View of completed application including Belzona 3111 waterproofing protection 4. View after 12 months of exposure to the local environmental conditions

Case study pic one


 Case study pic two


 Case study pic three


 Case study pic four


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