Puraflex VOC Membrane is a high performance hydrocarbon and chemical resistant barrier with exceptional resistance to a wide range of pollutants including hydrocarbons, industrial chemicals, toxic waste, natural and radioactive gases; it also acts as a high performance DPM. The membrane is generally used within construction applications, predominantly within the foundation design.
Features
- High performance membrane with a chemical resistant core
- Provides additional damp proofing protection
- Robust with excellent resistance to puncturing and tearing
- Extensive test data available
- Supported by the Cordek Puraflex Permeation Modeller
Applications
The most common application for Puraflex VOC Membrane is within the foundation of a building or structure that requires protection from the ingress of VOC’s, hydrocarbons and/or ground gases. However further applications include:
- Protection of Filcor lightweight structural fill and void formers
- Lining of service trenches for protection from surrounding contaminated ground
- Use within highway construction and associated surface drainage systems
- Bund lining for containment of aggressive chemicals and substances
- Protection of buried structures and tanks within contaminated ground
- External lining of attenuation tanks
Suitability
It is recommended that the Puraflex Membrane is installed with welded joints only. Cordek can provide contact details of professional, third party installers who can offer this service if required.
| Product | VOCs including hydrocarbons | Methane | Carbon Dioxide | Radon |
|---|---|---|---|---|
| Puraflex VOC Membrane | ||||
| Tri-Gas Membrane | ||||
| Gas Resistant Self Adhesive Membrane | ||||
| Radon Membrane |
Note: All membrane types also provide damp proofing protection, however should there be the additional risk posed by hydrostatic water pressure, please contact a member of the Cordek Technical Team for additional advice.
Downloads
Data Sheets
| Product | Issue Date | Version | Size | Download |
|---|---|---|---|---|
| Puraflex VOC Membrane Data Sheet | 02/2018 | 4 | 808.0 KB |  |
Standard Details
MSDS Data Sheets
| Product | Issue Date | Version | Size | Download |
|---|---|---|---|---|
| Puraflex VOC Membrane MSDS | 05/2017 | 2 | 81.4 KB | |
Certification, Approval & Guidance
Brochures
| Product | Issue Date | Version | Size | Download |
|---|---|---|---|---|
| Construction Solutions | 01/2020 | 2 | 6.6 MB | |
| VOC & Ground Gas Protection | 07/2019 | 4 | 4.0 MB | |
Installation Guides
| Product | Issue Date | Version | Size | Download |
|---|---|---|---|---|
| Puraflex VOC Membrane Installation Guide | 09/2020 | 1 | 243.1 KB | |
NBS Clauses
Our NBS Clauses are hosted on the external website - view NBS Clauses
BIM Library
Please select the BIM file in the format you require.
| Name | IFC Size | IFC Download | Revit Size | Revit Download |
|---|---|---|---|---|
| Puraflex VOC Membrane | 10.8 KB |
|
936.0 KB |
|
