Bostik Moisture Seal 10L Kit  (Part A + Part B) Moisture Barrier

BOSTIK MOISTURE SEAL KIT 10L - 2 Part Epoxy Set (Part A & B)


***Protect your new flooring against mositure*** Waterproofing for your new floor coverings


Bostik Moisture Seal is a two part, water-based, epoxy moisture and vapour barrier for priming under flooring adhesives and waterproofing membranes. Its moisture and vapour barrier formulation prevents water seepage and permeation in building and construction substrates.


  • 2-part kit, pre-packed and ready to mix with an easy 1:1 mixing ratio

  • Approved for direct contact with drinking water

  • Conforms to ASTM E96 water vapour transmission (negative pressure) tests

  • Withstands hydrostatic water pressure up to 25m or 259kPa

  • Suitable for use as a concrete bonding primer to consolidate concrete screeds or floors

  • Compatible with a wide range of coverings including the Bostik Ultraset flooring adhesives and Dampfix waterproofing ranges.

Recommended Uses

Moisture Seal is best suited to concrete, rendered brick, fibre cement, metal, stone, masonry and structural plywood (Type A Stamped “PAA JAS-ANZ” to AS/NZS 2269-2004) substrates. Ideal applications include walls and floors, water storage tanks and reservoirs or swimming pools. Moisture Seal is a perfect concrete primer sealer before waterproofing or tile adhesive is applied.


1 Coat @ 200μm wet film
1L Consumption =  4 – 5 m2

10L Consumption = 40 – 50 m2

2 Coat @ 200μm wet film
1L Consumption = 2 – 2.5 m2

10L Consumption = 20 - 25 m

Bostik Moisture Seal 10L Kit (Part A + Part B) Moisture Barrier

GST Included