Delta Membrane Systems has provided a cavity drainage system for a basement conversion project in Sittingbourne, Kent. Timberwise’s waterproofing specialists were asked to change the basement into a habitable living space and to provide the most effective waterproofing solution to resolve the damp issues.

A full inspection of the basement was carried out by a Waterproofing Design Specialist. The first stage of the process was to carry out profiled moisture meter readings of the wall surfaces. Using a moisture meter to ascertain damp readings, high readings were observed.

Waterproofing a basement ensures that the integrity of the structure is preserved whilst ensuring the usefulness of the basement. All basements should be constructed (or retrofitted) to cope with groundwater levels up to the full retained height of the basement. Timberwise opted to install a Delta Cavity Drainage System to enable their waterproofing solution to be effective.

cavity drain system was installed with maintainable drained channels to allow for the free flow of water to the pump or pre-determined exit point. A perimeter drainage channel was also installed complete with inspection ports for easy maintenance. A Delta packaged pump station was designed and installed to collect groundwater via the perimeter drainage channel. This chamber can also be used to collect grey water from showers and wash hand basins.