MemTech Liquid Gas Barrier forms a membrane to protect against gas and water ingress when used on new or existing building structures.

MemTech LGB is a distinctive green, ready-for-use specialist styrene butadiene latex-based liquid and offers a simple, continuous passive gas prevention barrier against the ingress of methane, carbon dioxide, radon, ground gas, VOC, air and moisture into buildings.

It also acts as a waterproofing membrane complying with the requirement C2 and C4 schedule 1 of the Building Regulations 1991 for England and Wales.

Key features

  • Liquid application

  • Protects against ingress of methane, carbon dioxide and radon

  • Acts as damp proof membrane

  • Suitable for new and existing structures

  • 3rd party accredited / independently tested

  • Complies with BRE211:2015 and BS8485:2015

  • Supplied in a 15kg container

Ground Gases and Contaminates suitable for

  • Hydrocarbons

  • Methane (CH4)

  • Carbon Dioxide (CO2)

  • Radon (Rn)

  • Volatile Organic Compound (VOCs)

Application

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.