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This 1st floor plant room bund was proved to be leaking after our client had carried out a water evaporation test.

The internal surfaces of the bund had been coated with bituminous paint that was not chemically resistant to the hydraulic oils contained within the bund.

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The existing coating was removed from the concrete surfaces of the bund using a HILTI concrete grinder fitted with a diamond disc and connected to a dust vac.

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The cleaned and keyed surfaces were primed with a solvent free epoxy floor sealer.

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The final application of 2 coats of an oil resistant glass flake epoxy system ensured watertightness for at least the next 10 years.