Please note: Validation and verification has been mandatory on most construction sites since 2015. More info

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BS8485:2015 System

BS8485:2015 System

In 2015 the British Standard for Good Practice on Gas Membrane Testing and Verification of Protection Systems for Buildings against Hazardous Ground Gases was updated, BS 8485: 2015 supersedes all previous guidance (refer to verification page). BS 8485:2015 operating alongside the CIRIA 735 code of practice states Independent Gas Membrane Testing and Verification Programs are as important as the design and installation process.

Radbar Amber 2 Foil Membrane 50x2m
Radbar Amber 2 Foil Membrane 50x2m

Radbar Amber 2 Foil Barrier protects buildings, properties and occupants from the ingress of radon, carbon dioxide and methane gases (medium to high r..

  • Protects from the ingress of radon, carbon dioxide and methane gases
  • Independently tested to ISO 15105-1
  • Complies fully to BS 8485:2015
  • Suitable for use on NHBC Amber 2 sites

£449.99 £469.95 Ex VAT: £374.99

Radbar Butyl Tape (50mm x 10m)
Radbar Butyl Tape (50mm x 10m)

The RADBAR multipurpose Butyl tape is a dual tape used for jointing membranes, detailing ancillaries such as pipe penetrations and DPC’s. This Butyl ..

  • Roll Size: 50mm x 10m
  • Ideal for mating gas barriers, damp proof membrane and other plastic sheeting
  • Very low moisture vapor transmission rate
  • Outstanding service life (lifetime of building)
  • Excellent elongation properties

£11.95 £14.95 Ex VAT: £9.96

Radbar Foil Tape (75mm x 50m)
Radbar Foil Tape (75mm x 50m)

Radbar Single Sided Foil Tape is an adhesive jointing tape designed for sealing over the face of vapour control layer membrane joints. This acts to st..

  • Roll Size: 75mm x 50m
  • High quality bonding tape with proven performance
  • Suitable for vapour control applications
  • Very low moisture vapour transmission rate
  • Lasts lifetime of the building

£13.49 £15.99 Ex VAT: £11.24

Radbar Top Hat
Radbar Top Hat

Top Hat pre-forms should be used to provide an effective seal around service pipe penetrations. They are available in a range of sizes, the most commo..

  • Jubilee clip included

£12.49 £15.49 Ex VAT: £10.41

Pre Formed Corners
Pre Formed Corners

Radbar Pre-form corners are suitable for use on sites affected by radon, methane, carbon dioxide and hydrocarbons/VOC’s. The Pre-forms are compliant t..

£21.99 £23.99 Ex VAT: £18.33

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