BELZONA WEATHERPROOFS INSULATED ROOFTOP DUCTING

KHIA ID: 861
Industry: Buildings & Structures (BSTR)
Application: HEX-Heat Exchangers (HEX)
Substrate: Blown on Urethane insulation with waterproof mastic
Customer Location: Ivy League Medical School
Application Date: Summer 2004
Products: Belzona® 5131 (EG Cladding)
Problem: Original protection no longer water-tight. Insulation was wet and water was leaking into the building. CUI was feared.
Photograph Descriptions
  1. Degraded insulation on ducts
  2. Degraded insulation at building interface
  3. Recoated and protected with Belzona
  4. Summer 2007 still as good as new!
Application Situation
Heated and cooled air roof top ducts.
Application Method
Application carried out in accordance with Belzona system Leaflet HEX-8
Belzona Facts
The original plan was to remove all wet existing insulation and re-insulate and waterproof over 200 feet of 60 inch carbon steel ducts.
Micro-porosity of Belzona system allowed existing insulation system to dry out so restoring protection and efficiency.
System still excellent 3 years on.
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