PLANT ROOM BUNDING - NORTHAMPTON This 1st floor indoor plant room bund floor was leaking after a water evaporation test. The internal wall and floor of the bund had previously been painted with a bituminous paint that was disintegrating and showing no resistance to the hydraulic oils spills contained within the bund. The existing bituminous 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. The cleaned and keyed surfaces were primed with a solvent free epoxy sealer. Before the application of 2 coats of a 2 component oil resistant glass flake epoxy system. Watertightness ensured.