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DampSafe 603

Newton DampSafe 603 is a high quality flooring membrane suitable for use above new and existing floors. The 3mm studs allow for pressure equalisation of dampness within the floor below allowing for dissipation at room perimeter and subsequent drying of the floor.

  • Effective Dampness Management: Features 3mm studs for pressure equalisation, allowing dampness dissipation at room perimeter, promoting floor drying.
  • Minimal Substrate Movement: Does not transfer substrate movement to the floor finish above, ensuring stability and longevity of the flooring.
  • High Compressive Stability: Offers high compressive loading stability, suitable for various floor applications including performance sports floors.
  • Versatile Application: Ideal for use above new and existing floors, serving as a reliable flooring membrane in diverse environments.
  • Robust Chemical and Biological Resistance: Inert and highly resistant to water, alkalies, hydrocarbons, saline solutions, organic acids, minerals, bacteria, fungi, and other organisms, ensuring durability and resilience.

  • Key Benefits
  • Typical Applications
  • Technical Data
  • Key Benefits

    Key Benefits

    • Does not transfer substrate movement to the floor finish above.
    • Has a high compressive loading stability.
    • Slight compression under footfall makes it ideal for installation as the floor membrane for performance sports floors.
    • Inert and highly resistant to water, alkalies, hydrocarbons, saline solutions and organic acids.
    • Not affected by minerals, and resistant to bacteria, fungi and other small organisms.

    Typical Applications

    Typical Applications

    • As a damp proof flooring membrane
    • As the membrane of choice for performance sports floors
    • As the damp proof floor membrane for use with Newton damp proofing wall membranes
    • Can be used as the flooring membrane within  the Newton CDM System if specified by a trained waterproofing surveyor

    Technical Data

    Technical Data

    Installed Performance Result
    Thickness at 100 kPa 2.64mm
    Thermal conductivity 0.461 W/mK
    Water vapour diffusion resistance – Sd value >604m
    Resistance to fire Euroclass E
    Chemical resistance – Excellent 100%
    Oxidation resistance – Excellent 100%

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    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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      We will be closing between Christmas and New Year, with the last day of operations being Friday 20th December. Last orders for delivery before Christmas therefore need to be placed by 2pm on Thursday 19th December, with final deliveries on Friday 20th December. After this, no deliveries will be possible until January 2025. The Newton branches in Tonbridge and Leeds will reopen in the New Year on Thursday 2nd January 2025.