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DampSafe 802-DPM

100% recycled, 1200 gauge damp proof membrane for use below concrete floors or screeds where no groundwater pressure is expected. DampSafe 802-DPM is compatible with all common building materials, and suitable for numerous applications as a DPM, vapour barrier, or as a slip membrane, screeding membrane or curing membrane.

  • Key Benefits
  • Typical Applications
  • Suitable Substrate
  • Technical Data
  • Key Benefits

    Key Benefits

    • Easy to install as a loose-laid membrane.
    • Resistant to elongation and tearing.
    • Highly resistant to water vapour.
    • Chemically inert (not affected by acids or alkalis in the ground).
    • Suitable for most common floor construction.
    • Quick and easy to join.
    • Range of accessories for detailing around pipes, columns and other protrusions.
    • 100% recycled.

    DampSafe 802-DPM can also be sealed to DampSafe 809-HP DPC to extend the damp proofing through spine and exterior walls.

    Typical Applications

    Typical Applications

    • Loose-laid DPM below ground-bearing concrete slabs and rafts.
    • Vapour barrier.
    • Slip membrane between screeds and floors.
    • Screeding membrane above insulation.
    • Curing membrane below and above concrete slabs and rafts.

    Suitable Substrate

    Suitable Substrate

    • Sand blinding.
    • Closed-cell insulation.
    • Newly placed concrete, as a curing membrane
    • Precast floors, as a slip membrane.

    Technical Data

    Technical Data

    Installed Performance Result
    Tensile strength – MD* 20.3 N/m2
    Tensile strength – CD** 24.3 N/m2
    Elongation – MD* 383%
    Elongation – CD** 416%
    Water vapour resistance – Sd value 284m
    Watertightness 2 kPa
    Nail tear 217 N
    Reaction to fire F

    *Machine Direction
    **Cross Direction

    Speak to our friendly, expert team

    Our staff are able to provide guidance for projects of all sizes, whether you require some general advice about damp or waterproofing, or support with technical drawings and specifications.


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