MemTech Liquid Gas Membrane ‘LGB’ (Liquid Applied)

Delta Membrane Systems Limited provides solution for all ground gas contaminations. Using our tried and trusted techniques and knowledge we are well versed in structural waterproofing and ground gas contamination ensuring any risks are mitigated using best practice.

MemTech Liquid Gas Barrier (LGB) is a liquid applied gas barrier membrane.Ground Gas Protection

MemTech Liquid Gas Membrane is a distinctive green, ready for use specialist styrene butadiene latex based liquid applied gas membrane.  It offers a simple, continuous passive gas prevention barrier against the ingress of Methane, Carbon Dioxide, Radon, Ground Gas, VOC, air and Moisture into buildings. MemTech LGB also acts as a waterproofing membrane complying with the requirement C2 and C4 schedule 1 of the Building Regulations 1991 for England and Wales.

Ground Gas Protection System

Ground Gases and Contaminates

  • Hydrocarbons
  • Methane (CH4)
  • Carbon Dioxide (CO2)
  • Radon (Rn)
  • Volatile Organic Compound (VOCs)

Memtech LGB can be used to protect a structure’s surfaces from the effect of liquid and water vapour, carbonation and as a gas barrier to prevent the ingress of Methane, Carbon Dioxide and Radon.  LGB can be used as a Damp proof membrane on floors and walls.

MemTech Liquid Gas Membrane (“LGB”)

  • Suitable for new and existing structures
  • 3rd Party Accredited/Independently tested
  • Acts as a Damp Proof Membrane
  • Complies with BRE211:2015 and BS8485:2015
  • Supplied in a 15kg container
  • MemTech Liquid Gas Membrane can be used for providing damp proofing, gas proofing or waterproofing to a range of applications.


MemTech Liquid Gas Membrane is easily applied using a brush, roller or airless spray.  A  2 coat application providing a minimum dry coated thickness of 1.0mm is required to provide a suitable gas barrier.

Design and Specification

Our dedicated Technical Team offer superior structural waterproofing and ground gas knowledge and take into consideration all relevant regulations when specifying a suitable ground gas barrier system.

Ground Gas Protection SystemsBy attending site and meeting with designers we are able to understand your project, consider us part of your technical team working with you to ensure critical issues are addressed.  Our hands on approach allows us to understand in-depth needs and requirements whilst eradicating problems and making effective decisions.  Delta’s Technical team will ensure the products selected will do what you need it to do.

Ancillary products include:

  • MemTech GP Top Hats
  • MemTech Internal Corner Cloaks
  • MemTech External Corner Cloaks
  • MemTech GP Primer
  • MemTech GP Void Vent 25
  • MemTech GP Protection Fleece
  • MemTech M1



Product code:DMS405

If you'd like more information on any of our products, call 01992 523 523 today to speak to one of our experts