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Generally specified where it is anticipated that there may be a risk of severe water penetration.


Newton 520 Eco is a cavity drain waterproofing membrane manufactured from recycled high-density polyethylene (HDPE).

It is one of the main constituent parts of Newton System 500 – the BBA certified, ‘Type C’ cavity drain system – used for the waterproofing of earth-retained structures, including drainage channels sited below the membrane for increased drainage capacity. With its 20 mm deep stud profile, Newton 520 Eco is used within the Newton System 500 as a high drainage capacity floor membrane.

Newton 520 eco is inert and non-polluting to drinking water, highly resistant to water, alkalis, saline solutions and organic acids, and not affected by minerals and hydro-carbons, and is resistant to bacteria, fungi and other small organisms.

Consult manufacturer's literature for relevant preparation and surface protection.

Features and benefits:

  • Quick installation.
  • 100% recycled material.
  • Provides vapour control and, when used with humidity control systems and is capable of delivering an environment to all levels within a Grade 3 environment to BS 8102: 2009.
  • Resistant to rot, chemically aggressive groundwater, acids and alkalines, saline solutions, efflorescing salts and hydrocarbon contamination.
  • Product waste is recycled when returned to Newton Waterproofing by Newton Registered Contractors - consult manufacturer for details.
  • Guaranteed against deterioration for 30 years, with a life expectancy of at least 100 years (or the design life of the building).

Suitable substrates:

  • Concrete rafts or slabs.
  • Newton Fibran XPS 500-C closed cell extruded polystyrene insulation.


Generally specified where it is anticipated that there may be a risk of severe water penetration.

General information



High density polyethylene (HDPE)


21 x 2070 x 10000 mm

Uniclass 2015
Pr_25_57_51_74 Rubber studded sheetsPrimary
Specification data - Rubber studded sheets
Product Reference

Newton 520 Eco (M4)

2.07 x 20 m (w x l).

Newton 520 Eco (M13)

2.07 x 10 m (w x l).

Standard product features






  • Newton 520 Eco (M4): 40 m².
  • Newton 520 Eco (M13): 20 m².


  • Width: 2.07 m.
  • Height: 20 mm.
  • Membrane thickness: 1 mm.
  • Stud depth: 19 mm.

Technical characteristics:

- Features:

  • Density: 1000 g/m².
  • Vicat softening temperature: 126°C.
  • Service temperature: -40 to 80°C.

- Installed performance:

  • Compressive strength (temporary loading, to BS EN ISO 25619-2): 240 kPa.
  • Thermal conductivity (to BS EN 12667): 0.461 W/m·K.
  • Water vapour diffusion resistance (Sd value, to BS EN 1931): >604 m.
  • Water vapour diffusion resistance (µ value): >1 208 000 µ (calculated from Sd value).
  • Water vapour diffusion resistance: >3020 MNs/g (calculated from Sd value).
  • Resistance to fire (to BS EN 13501-1): Euroclass E.
  • Chemical/ oxidation resistance (to BS EN 14030/ BS EN ISO 13438): Excellent, 100%.
  • Contact area: 12.5% of the upper surface area.

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