INTERIOR DAMAGE AS WATER PENETRATES THE BUILDING ROOF

KHIA ID: 4924
Industry: Buildings & Structures (BSTR)
Application: RPA-Roof Problem Areas (RPA)
Substrate: Steel
Customer Location: Toronto, Ontario
Application Date: August 2012
Products:

Belzona 3111 (Flexible Membrane)

Belzona 3921 (GSC Surface conditioner)

Belzona 9311 (Reinforcing sheet)


Problem: The joints between the panels on the air handling unit deck were not properly sealed. The deck is open to atmosphere and tends to accumulate water causing water to penetrate the building and damage interior walls.
Photograph Descriptions
  1. Unit deck prior to application 
  2. Application underway
  3. Alternate view of the application
  4. Completed Application
Application Situation
Steel panels on the air handing unit deck
Application Method
Application was carried out in accordance with Belzona Know-How System Leaflet RPA-6. The surface was prepared by removing all the debris, dirt and stagnant water and abrading the surface to remove rust and create an anchoring profile. Belzona 3921 was applied as a first layer. Belzona 3111 was applied as a two coat system incorporating Belzona 9311 in accordance with Belzona Instructions For Use.
Belzona Facts
Belzona 3111 is a long term repair and protection solution with outstanding environmental protection. The system follows complex roof contours, is highly elastic, adapts to roof movements and allows the substrate to breathe.