Cementseal is a two component, polymer modified, cement based, waterproof coating for concrete and masonry.

Cementseal is used to prevent water ingress into basements, cellars and other below ground structures.

Cementseal may be used internally or externally, to provide Type A (barrier) protection; as classified in BS8102:2009.


  • Totally waterproof
  • Resists up to 100m head of positive and negative water pressure
  • Seamless and fully bonded
  • Applied to damp surfaces
  • Abrasion and impact resistant
  • Quick and easy to apply by hand or spray
  • Environmentally friendly
  • Enhanced resistance to carbonation