Concrete Waterproofing


NWCW specializes in waterproofing of commercial, municipal, institutional and industrial structures:

  • new and old conveyance systems
  • parking garages
  • elevator shafts
  • commercial and industrial buildings

A core focus of our waterproofing work concerns water inflow & infiltration mitigation on conveyance systems:

  • large-diameter (30″+) pipelines that allow man entry
  • sewer manholes
  • wet wells
  • lift stations
  • storm water catch basins
  • utility vaults
  • treatment plants