Leak Sealing

HBT reputation has been built on a professional approach to problem solving and delivery of solutions to issues in the Civil and Structural Engineering fields. Whether its sealing leaks in manholes, tunnels, car parks, buildings and drainage infrastructure or stabilising soils & grouting voids or structural repairs.

HBT is a specialist manhole sealing contractor Providing solutions for the refurbishment, preventative enhancement of existing or newly constructed concrete/brickwork manhole and chamber structures.

HBT provides manholes sealing services on a national basis in vast number of market sectors.

HBT carry out all forms of manhole sealing systems which includes Polyurethane and Elastomer gel resin injection, cementitious grouting, Hybrid silicate lining systems and sulphate resistant cementitious render systems to form a seamless chemical resistant waterproof coating system.

HBT carry out manhole sealing systems to Brick, concrete manholes, wet wells, pumping chambers and below ground retaining structures.

Manholes are defined as a confined space and can suffer from both neglect over the years and also serious infiltration within both water, petrochemical and manufacturing industries. Manhole infiltration can be sealed regardless of the volume or pressure and if left untreated can cause subsidence, increased demand on final effluent treatment, voidage around the manholes that could cause localised collapse