Key Features

    • Seals, fills, bonds and insulates
    • Reduces noise, dust and draughts
    • Block access by rodents

    Multipurpose polyurethane foam filler

    Bostik Expanda Foam® is a one component, multi purpose polyurethane foam that will not shrink and cures to an airtight, moisture resistant seal. The straw adapter included with each can aids in easy application, especially to fill gaps of all dimensions in the most difficult locations.

    Available in 500ml or 750ml

    Where to Use

    • Interior surfaces
    • Exterior surfaces
    • Residential applications
    • Commercial applications


    • Large gaps
    • Small gaps
    • Areas where there is dust and draughts
    • Areas where insulation is required


    • Timber
    • Brick
    • Concrete
    • Galvanised Steel
    • Aluminium
    • Glass
    • Fibre cement sheet
    • Plasterboard

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