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Case Study - AHUs - Air Handler Units

Client: Facilities Management Company

Project Brief: The Internal Relining of 1 No. Air Handling Unit

System Specification: Solvent Free Polyurethane

Completion Date: 1st May 2002

COVAC Contract Ref: 172

Summary of Works

The internal surfaces of the sumps having been drained of water prior to any work commencing.

water tank before treatment water tank before treatment

The poor condition of the units prior to refurbishment. The previously applied bitumastic coating had now come to the end of its useful life allowing a high degree of corrosion to develop.

water tank before treatment water tank before treatmentwater tank before treatment water tank before treatment

All sensitive areas within the unit were sheeted off to ensure grit contamination was confined within one area. All areas were then dry grit blast cleaned to the appropriate standard, with the complete removal of all existing coating and corrosion.

water tank during grit blasting water tank cleaned and prepared for treatment water tank cleaned and prepared for treatment water tank cleaned and prepared for treatment

Following grit blasting, areas were prepared for welding, where required.

water tank cleaned and prepared for treatment water tank during stripe coating of polyurethanewater tank during treatment water tank during treatment

These images show the final application of the 2nd coat of Solvent Free Polyurethane.

water tank after polyurethane coating water tank after polyurethane coatin water tank after polyurethane coatin water tank after polyurethane coatin water tank after polyurethane coatin water tank after polyurethane coatin

Call us today find out why you should use our alternative to water tank replacement on: 0800 772 3367.