KHIA ID: 155
Industry: General Industry (GIND)
Application: RPA-Roof Problem Areas (RPA)
Substrate: Felt
Customer Location: Property managers, U.K.
Application Date: 1987

Belzona® 3111 (Flexible Membrane)

Problem: Deterioration of original felt finish had allowed water ingress into the roof deck. In particular the roof insulation had become saturated. Traditional repairs had not been successful.
Photograph Descriptions
  1. The original roof surface with new breather vents installed
  2. Application underway. Note detail application to flashings and parapet wall 
  3. Completed application
Application Situation
Roof of multi-storey block of offices
Application Method
Application was carried out in accordance with Belzona System Leaflets RPA-6, RPA-8, and RPA-10. Breather vents were also installed to allow the insulation to dry out.
Belzona Facts
Use of Belzona® 3111 has allowed long term weatherproofing to be achieved with minimal disruption to the building. The original roof covering did not need to be stripped off and occupation of the top floors continued unhindered. Inspected in 1996, the roof was 100% watertight.