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HydroBond 108-LM

Highly radon resistant, cold spray-applied, seamless rubber waterproofing membrane for the external waterproofing of basements (including covered decks) and foundation walls.

HydroBond 108-LM is very quick to apply, at up to 1000m² per day, and is not subject to the delays normally associated with liquid membranes as it can be applied in cooler and damper conditions, and without a primer.

HydroBond 108-LM is extremely puncture resistant, with high elasticity and a 95% recovery memory. The membrane becomes fully engaged into the concrete surface to prevent water tracking and is suitable for all below ground and earth-retained structures, ranging from domestic basements to the largest civil engineering projects.

HydroBond 108-LM can be used together with HydroBond 403 Plus to provide a complete waterproof envelope to the structure, forming a Type A (barrier) waterproofing solution suitable for Grades 1a, 1b 2 and 3 as defined by BS 8102:2022. Where space is tight, HydroBond 109-LM can be applied by roller, brush or small airless spray machine.

The Newton HydroBond System is supported by BDA Certificate BAB 16-031/04/A and is accepted by the NHBC as a suitable waterproofing system for Type A Waterproofing to Grades 1a, 1b, 2 & 3 – BS 8102:2022.

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

    Key Benefits

    • Cold applied fully-bonded seamless membrane.
    • Very elastic with no shrinkage.
    • No primer required.
    • Very quick to apply – up to 1000 m2 per day.
    • Cost efficient – The low price of the membrane coupled with high application rates = a very low installed rate per square metre.
    • Solvent free, non-toxic and odourless.
    • Non-flammable – No VOCs.
    • Chemically resistant.
    • Highly radon resistant.

    Typical Applications

    Typical Applications

    • Waterproofing of basement walls as part of Newton HydroBond System.
    • Standalone waterproofing membrane for basement, foundation and earth-retained walls.

    Suitable Substrate

    Suitable Substrate

    Correctly prepared substrates of:

    • Concrete of at least 20kN*.
    • Screed*.
    • Concrete block walls with flush pointing.
    • Insulated formwork walls (ICF).
    • HydroSeal 908-LB screed.

    * Priming required to horizontal surfaces

    Technical Data

    Technical Data

     Cured Performance  Result
    Colour Black
    Membrane thickness – RC walls  1.0mm
    Membrane thickness – RC joints 2.0mm
    Membrane thickness – Radon barrier and Block & ICF walls  2.0mm
    Membrane thickness – Horizontal RC elements  3.0mm
    Density/Specific gravity (no reinforcement)  1.1
    Softening temperature  > 130ºC
    Adhesion to concrete  0.62N/mm²
    Tensile strength & elongation at break (reinforced) 0.68N/mm²
    Tensile strength & elongation at break (reinforced) (aged)  0.58N/mm²
    Loading capability (no reinforcement) – Class 1  0.06MN/mm2
    Resistance to static indentation (reinforced)  250N
    Crack bridging ability (no reinforcement) – Class CB2 ≥2mm
    Resistance to fatigue movement – 1000 actions @ -10ºC  Pass
    Dimensional stability at high temperature – no dripping  ≥70ºC
    Low temperature flexibility @ -10ºC  Pass
    Flexibility at low temperature @ 0ºC Pass
    Water vapour diffusion resistance – Sd value  72.4m
    Water tightness  7 bar
    Water resistance – 21 days at 21ºC  Watertight
    Impact resistance after UV-ageing – 1000h – 10 mm Pass
    Radon gas diffusion resistance (2 mm membrane)  2.4 x 10-11M²/s
    Reaction to fire classification  Euroclass B2

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    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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