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Moisture Seal

Epoxy water vapour barrier
Product overview

Bostik Moisture seal is a two part water based epoxy coating designed as a moisture and vapour barrier membrane to prevent water seepage and permeation through concrete floors. The product shows excellent adhesion and acts as a surface preparation for subsequent adhesives when laying floor coverings of all kinds.

Recommended Uses

  • As a water vapour barrier in the building and construction industry.
  • Compatible with a wide range of coverings.
  • Can be used with the Bostik Ultraset flooring adhesive and Dampfix waterproofing ranges.
  • Vapour barrier and primer prior to the application of cementitious floor screeds or self levelling compounds.
  • Barrier coating over freshly laid (green), hardened concrete.
  • As a vapour barrier on concrete or masonry prior to the application of timber flooring or panels.

Parts A & B available in 4L pails.




Geographic availability
  • New Zealand

Smart Advantages

Water based
Easy clean
Can be applied to damp surfaces

Latest news

Sep 22 2021
    Innovation Products

New LBP training available on Bostik Silicone Sealants

Bostik New Zealand has just released LBP training on Silicone Construction Sealants

Read more
  • Water based
  • Easy clean
  • Can be applied to damp surfaces
  • Non-flammable
  • Low odour
  • Excellent adhesion to most substrates including bricks, masonry, concrete, compressed fibreboard, stone and timber
  • Convenient equal parts mixing ratio by weight or by volume

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Water based liquid polyurethane waterproofing membrane