MemTech Pro Titan VOC (Ground Gas Protection)

MemTech Pro Titan VOC (Ground Gas Protection)

MemTech’s Pro Titan VOC ground gas membrane offers a safe solution for the protection of buildings, structures and occupiers against all levels of hydrocarbons, methane, carbon dioxide and radon gas ingress.

MemTech Pro Titan VOC is a hydrocarbon barrier gas membrane.  This multi-layered, flexible membrane has a unique core component which is designed and manufactured to provide a barrier to the most aggressive chemicals and to comply with current guidance on Hydrocarbons.

MemTech’s Pro Titan VOC is suitable in applications that are affected by Hydrocarbons. There is a common misconception that monolithic polyolefin barriers, such as HDPE and LLDPE are effective barriers to resist Hydrocarbons.  This is an incorrect assumption, as Hydrocarbons will readily permeate through monolithic polyolefin barriers.


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Pro Titan VOC
  • Complies with BRE211:2015, CIRIA C665, C716, C735, C748 and BS8485:2015 and CIEH guide to Ground Gas
  • Exceptional chemical resistance
  • Flexible membrane to ease installation on site
  • Gas resistant
  • BBA Certified
  • High resistance to puncturing
  • Suitable for new and existing structures
  • Acts as a Damp Proof Membrane
  • Robust to cope with all site conditions
Product Details
Pro Titan VOC
Product Code:
Multi Layer Polyethylene membrane with Polymer core
Roll Size:
2m x 50m
Methane Permeability:
0.13 ml/m²/day/atm
Carbon Dioxide Permeability:
3.01 ml/m²/day/atm
Transmission Rate Vinyl Chloride Gas:
Radon Permeability m²/sec:
3.0 x 10 - ¹²
Pro Titan VOC
  • J40 Flexible Sheet Tanking/Damp Proofing
  • BS 8485:2015+A1:2019 Code of practice for the design of protective measures for methane and carbon dioxide ground gases for new buildings
  • CIRIA C748
Technical Drawings

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