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VOL XXI, NO 51, ELITE

Belzona® Weatherproofs Insulated Rooftop Ducting

 
 

Industry:

Buildings & Structures (BSTR)

 
 

Application:

Heat Exchangers (HEX)

 
 

Customer Location:

Ivy League Medical School

 
 

Application Date:

Summer 2004

 
 

Application Situation:

Heated and cooled air roof top ducts.

 
 

Problem:

Original protection no longer water-tight. Insulation was wet and water was leaking into the building. CUI was feared.

 
 

Products:

Belzona® 5131 (EG Cladding)
 

Substrate:

Blown on Urethane insulation with waterproof mastic

 
 

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.

 
 

Photographs Description

  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!
 
 
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For more information about Belzona visit: www.belzona.com