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Case Study - GRP Tanks

Client: Pharmaceutical Company

Project Brief: The Internal Coating of 1 No. Sectional GRP Water Retaining Structures

System Specification: Solvent Free Polyurethane

Completion Date: 21st October 2010

COVAC Contract Ref: 1003

Summary of Works

Osmotic blistering of the GRP substrate due to water permeation can also lead to deterioration of the gel coat and, subsequently, a surface which is highly likely to harbour and promote the growth of micro-aquatic organisms.

GRP Structure Sized at 16m x 4m x 3m

water tank before treatment water tank before treatment

These photographs show the internal surfaces of the structure, having been drained of water and prior to relining work commencing.

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

All failing mastic between the sectional GRP panels was cut back to a firm edge, prior to all the internal surfaces of the tank being lightly abrasive blast cleaned to remove any existing coatings and to promote optimum adhesion of polyurethane lining system.

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

All joints were treated to prevent leaks and allowed to cure.

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The following photographs show the internal of the structure after being fully coated with solvent free polyurethane (grey), by means of plural component spray equipment.

polyurethane coated water tank polyurethane coated water tank polyurethane coated water tank polyurethane coated water tank polyurethane coated water tank polyurethane coated water tank

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