Radbar Amber 2 Foil Membrane 50m x 2m
Radbar Amber 2 Foil Barrier protects buildings, properties and occupants from the ingress of radon, carbon dioxide and methane gases (medium to high risk).
- Independently tested to ISO 15105-1
- Complies fully to BS 8485:2015
- Suitable for use on NHBC Amber 2 sites
Independently tested to ISO 15105-1 and complies fully to BS 8485:2015, making this high-quality membrane suitable for use on NHBC Amber 2 sites. Sites that may require Radbar Amber 2 Foil Barrier include former coalfields, contaminated industrial sites, landfill and brownfield sites.
Installing an Amber 2 foil gas membrane
The Amber 2 foil gas membrane is designed for ease of installation. It can be installed by a competent general builder or a contractor that is experienced with gas membranes.
Ensure that the surface has a smooth finish with no projections or voids - this applies to both concrete slabs and brick and blockwork. The surface should also be free from dust and debris and dry.
Roll out the foil barrier membrane, making sure it is aligned with the surface. The white side should be down with the coloured surface uppermost.
Where overlaps are required both at ends and along sides, ensure that the membranes overlap by a minimum of 100mm. Where they overlap make sure they are dirt, dust and moisture-free. These joints can then be bonded together with Radbar Double-sided Jointing Tape and sealed with Radbar Single-sided Tape.
The membrane should be covered by a screed or other protective layer as soon as possible after installation. If blockwork protection is used, care must be taken to avoid damage to the membrane during construction.
If going around any pipework, you can use Radbar Top Hats and correctly sealed.
If you wish to install underfloor heating, this will not impact the membrane.
The Radbar Radon System
The Radbar System is a high-quality radon system protecting properties from ground gases. It consists of a membrane-like the Amber 1 that extends the whole of the floor and walls.
In new build projects, the system will sometimes have an underfloor ventilated sump or sumps installed in areas affected by the gas. This can be subsequently converted to an active system by the use of suitable ventilation fans if test results require it. Radon sumps can also be installed in existing buildings providing the design of the structure allows it.