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Our advanced range of gas protection materials allows the design and installation of effective and robust Type A, B & C waterproofing systems. From small domestic projects through to the largest residential developments, commercial buildings and civil projects, the Newton name is synonymous with superior technical design, superior materials and expert installation.

Effective Gas Protection Systems

Protecting a building interior from ground gas penetration is an essential part of health and safety regulations. At Newton Waterproofing, our gas membranes and gas barriers create an effective protective layer against gas infiltration. Our gas protection products are effective at stopping various naturally occurring gases. This includes ground gases such as Carbon Dioxide and Methane, and Volatile Organic Compounds (VOCs) such as Benzene, Toluene, Chlorinated Solvents, and Ethers. Newton also has a membrane that is certified as an effective barrier to Radon gas.

Radon Gas Protection

Radon is a colourless, odourless and naturally occurring radioactive gas that, in excessive quantities, has direct links to the development of lung cancer. Small levels of Radon are everywhere, but certain areas of the UK are at higher risk than others, and any below-ground area that is regularly used as a habitable space is deemed ‘at risk’ from Radon. Regardless of whether your property is residential or commercial, it is important to obtain a Radon Risk Report to find out whether it is in a high radon area and, if it is, then a test must be undertaken. Newton HydroBond 109-LM is a Radon certified rubber waterproofing membrane. It is suitable for use with all below ground and earth-retaining structures and provides the following benefits:
  • High Radon gas resistance
  • Non-flammable – no VOCs
  • Odourless, non-toxic, and solvent free
  • Comprehensive vapour barrier
  • Excellent elasticity with no shrinkage

Ground Gas and Vapour Mitigation

Systems such as the Newton PAC-500 also provide comprehensive protection against gas and vapour penetration. The patented system combines the Newton CDM System for cavity drain waterproofing with a positive pressure air delivery system to protect against gas. The membranes used also have third party accreditation for radon permeability. Gas protection systems are an integral part of a below-ground building’s integrity. Our range of gas resistant products are fully accredited and tested for use in controlled environments and should always be installed by a trained professional to ensure safety levels are met.

Find out more about Newton’s gas protection products

HydroBond 402-CCSM External Waterproofing Membrane

Waterproofing Membrane & Ground Level DPM

HydroBond 402-CCSM

HydroBond SA

Post-Applied Self-Adhesive Waterproofing Membrane

HydroBond SA


Flexible & Reinforced Bitumen Waterproof Coating

HydroBond 2K-Flex

Waterproofing Membrane & Gas Barrier

Waterproofing Membrane & Gas Barrier

HydroBond 403 Plus

Radon Certified Rubber Waterproofing Membrane

Rubber Waterproofing Membrane

HydroBond 109-LM


A. Proctor Group Ground Gas Membranes

Ground Gas Barrier System

Testing the Newton Positive Air Curtain System

Ground Gas & Hydrocarbon Vapour Mitigation

Newton PAC-500

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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