Services
Sansom worker removing defective waterproof membrane from a building roof

Waterproofing

Sansoms are experienced in all aspects of waterproofing where long term solutions are required:

  • New buildings and renovations
  • Existing buildings
  • Reservoirs and tanks
  • Lift pits
  • Car park decks
  • Podiums
  • Grandstand bleachers
  • Basement walls
  • Rising damp
  • House decks
  • Leaking homes
  • Flat roofs

Sansoms are experienced in the application of the products and systems:

  • Torch on membranes
  • Bentonite tanking systems
  • Urethane injection resins
  • Acrylic gel injection
  • Bentonite grouting
  • Cementitious grouting
  • Bituminous sheet membranes
  • Water based epoxy coatings
  • Crystalline coating and plugging systems

Sansoms have access to the following suppliers:

  • Nuplex Industries Limited
  • MC-Bauchemie
  • Sika (New Zealand) Limited
  • BASF Ltd
  • Cetco - Volclay (Allco Agencies Limited)
  • Akzo Nobel
  • Demden Industries Limited
Commercial waterproofing Commercial waterproofing Commercial waterproofing