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FlexProof 305 ActiveJoint - 20/26

  1. Enhanced Durability, Reduced Risk: FlexProof 305 ActiveJoint reinforces movement joints alongside FlexProof 106 NV, offering improved durability against mechanical and chemical damage, crucial for high-risk areas.
  2. Ultimate Protection, Lasting Performance: Designed to protect waterproofing systems, FlexProof 305 ActiveJoint provides superior resistance to UV and mechanical wear, ensuring long-term performance in challenging environments.
  3. Compatible Versatility: Ideal for concrete and screed substrates, FlexProof 305 ActiveJoint seamlessly integrates with various surfaces, offering versatile protection and enhancing the overall durability of waterproofed joints.

Movement joint profile used in conjunction with FlexProof 106 NV for joints where a risk of mechanical damage to the waterproofing is expected.

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

    Key Benefits

    • UV resistant.
    • Outstanding low temperature flexibility.
    • High abrasion resistance.
    • Enhances the water tightness of the FlexProof 106 NV movement joint.
    • Resistant to alkalies and acids.
    • Quick and simple to install.

    Typical Applications

    Typical Applications

    Enhancing the performance of movement joints that are waterproofed with Flexproof 106 NV to provide improved durability against chemical and mechanical wearing agents and protection against UV.

    Suitable Substrate

    Suitable Substrate

    • Concrete.
    • Screed.

    Technical Data

    Technical Data

     Features  Result
    Material EDPM
    Colour  Black
    Profile 36 x 35 | 46 x 45 | 56 x 55mm
    Coil length 5.8 | 5.8 | 10 Metres
    Shelf life  Unlimited shelf life
    Application temperature  +1°C to +35°C
    Service temperature  -30 to +60°C

    Customer Success Stories

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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.