Key Features

    • Accepts a wide range of coverings
    • Excellent bond to a range of substrates
    • Excellent high build achieved in one coat

    One coat vapour barrier

    Bostik Ultraseal is a two part, solvent free, epoxy composition compatible with a wide range of coverings. Designed as a one coat primer and vapour barrier/retarder to prevent moisture migration through a concrete slab to levels that will not cause swelling or cupping of timber flooring.

    Where to Use

    • Interior surfaces
    • Residential applications
    • Commercial applications


    • Floors
    • Compatible with the entire Bostik Ultraset® hardwood flooring adhesive range


    • Concrete
    • Fibre cement
    • Stone
    • Masonry
    • Structural plywood,
    • Brick
    • AAC

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