Bostik ASA® Dampfix® Gold

    One part, highly elastic, Class 3, water-based polyurethane waterproofing membrane system

    Key Features

    • BRANZ appraised: Appraisal No. 744 [2017]  EXTERIOR
    • BRANZ appraised: Appraisal No. 745 [2017]  INTERIOR
    • Class 3, high elasticity
    • Fast drying
    • Recoat in 2 hours
    • Tile next day in most conditions
    • May be tiled directly using approved Bostik ASA® tile adhesives
    • Reinforced with clump free fibres.
    • No mixing
    • High resistance to detergents and bleach
    • Will not re-emulsify after curing
    • Does not embrittle with age
    • Can be applied to damp substrates, i.e. no free water 

    Water Based Polyurethane Liquid Waterproofing Membrane

    ASA® Dampfix® Gold is a one part, highly elastic, Class 3, water-based polyurethane, BRANZ appraised waterproofing membrane system. It is specifically formulated for application on graded substrates that provide positive falls to drainage outlets. This is a 2-coat system applied over primed porous & non-porous substrates.
    Recommended Uses

    • Interior surfaces
    • External surfaces
    • Residential applications
    • Commercial applications


    • As a waterproofing membrane under tile to internal wet area shower, bathroom, kitchen, laundry and toilet areas
    • As a waterproofing membrane under tile or other wearing surface systems to external balconies, rooftops and podium levels


    • Concrete 
    • Cement
    • Rendered masonry 
    • Cement sheet (FC sheet)
    • Water resistant plasterboard
    • Structural plywood

    Related Products

    Bostik ASA® Dampfix® PU

    High Performance Polyurethane Waterproofing Membrane

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