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Liquid Applied Radon Barrier

Newton 902 is a single component high performance elastomeric liquid rubber membrane specifically designed for providing a radon, gas and vapour barrier to vertical and horizontal surfaces. It is a water based compound, formulated on a styrene-butadiene copolymer.

Newton 902 is a single-component coating that requires only stirring to form the ideal product to provide a gas proof, liquid applied, radon, methane and carbon dioxide barrier.

Newton 902 can be used as a stand-alone radon, gas and vapour barrier, or as a primer for use Newton System 200 Deck and Roofing membranes or Newton System 700 Floor Coatings, when radon, gas or vapour control is required.

Newton 902 is also suitable for use as a waterproofing membrane to vertical walls as part of Newton System 400 vertical drainage systems.

Newton 902 can be easily applied to a large variety of different surfaces such as concrete, mortar brick, ceramics, steel, zinc and aluminium to provide a continuous membrane.

Key Benefits

  • A 0.7mm thick (dry film) coating provides an effective gas and vapour barrier when applied to most clay or cementitious based construction materials
  • Effective radon barrier - independent certification
  • Excellent adhesion, bonds to porous and non-porous substrates
  • Flexible - Resistant to movements and fissures in substrates
  • Easily applied with a brush, roller or airless spray
  • Non-toxic
  • Will withstand temporary light trafficking
  • Cannot be punctured as fully bonded
  • Easily repaired by locally over-coating
  • Can be painted, plastered or screeded over
  • Can be used as a primer for other liquid coatings
  • Rapid drying. In good conditions, two coats can be applied in the same day
  • Easily applied to damp and “green” substrates

Chemical Resistance

Newton 902 has good chemical resistance to gasoline, sodium hydroxide, calcium chloride, de-icing salts and effluent.

Typical Applications

  • Radon, Gas & Vapour barrier to concrete, masonry and brick substrates
  • Can be applied by airless spray, roller or brush to walls, floors or soffits
  • Radon, Gas & Vapour primer for other liquid coatings such as Newton System 200 and Newton System 700 high performance floor coatings
  • Vertical waterproofing membrane when used with Newton System 400 vertical drainage systems
  • Car parks