CASE STUDY

Hot Water Tank Lining – Corroless Eastern

Client: Facilities Management Contractor 

Industry: Industrial

Scope: Hot Water Tank Lining

Date: December 2019

Location: UK

Products: RE 500P & RW 500

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OVERVIEW

The sealing membrane at the top of the steel hot water tank had burst, allowing oxygen to enter the vessel, leading to corrosion of the tank’s internal structure.

The tank required to be refurbished with a new coating solution that would provide long-term performance.

This project was carried out by Corroless Eastern.

CHALLENGE

The chosen coating solution had to effectively withstand the tank’s operating temperature of around 80°C.

SOLUTION

The tank internals were thoroughly cleaned using high pressure washing, before being sponge blasted to Sa 2½ to achieve the desired surface profile (min. 75μ).

The use of sponge blasting all but eliminated the release of dust into the plant room, which in turn helped to protect the surrounding plant and equipment.

One stripe coat and one full coat of Epo-chem™ RE 500P was then applied, before one stripe coat and two full coats of Epo-chem™ RW 500.

OUTCOME

The required DFT was comfortably achieved and the works were warranted for 10 years from completion.

BENEFITS

  • Solvent-free
  • Zero VOC
  • Exceptional chemical and high temperature resistance
  • Exceptional surface tolerance and corrosion resistance (glassflake-reinforced)
  • No grit blasting required
  • Fast curing and quick recoating
  • Reduced contract duration and downtime
badly rusted tank internals

Original Conditions

red tank internals with some discolouration

After Surface Preparation 

After Stripe Coat of RE 500P

tank internals coated in khaki colour

After Application of RE 500P

tank internals coated in white and khaki

After Stripe Coat of RW 500

tank internals coated in white colour

Completed Application

tank internals coated in white colour

Completed Application

tank externals

Tank Externals 

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