Plant Room Bunding - Northampton This indoor plant room bund floor was leaking after a water evaporation test. It had previously been painted with bituminous paint that was disintegrating and showing no resistance to the hydraulic oils spills contained within the bund. The internal surface of the bund was keyed using a HILTI concrete grinder connected to a dust vac. The cleaned surfaces were primed with a solvent free epoxy sealer. Before the application of a 2 coat 2K oil resistant glass flake epoxy system. Watertightness ensured.