Verified by manufacturer 8 months ago
BBA Certified Radon membrane. Robust, 100% virgin membrane to protect against radon. Also acts as a Damp-proof membrane.
Installed in areas of elevated radon to protect against its ingress. Robust and easy to install Radon 400 membrane provides excellent protection against cancer causing radon gas.
Radbar Radon 400 is manufactured from a blend of high-quality virgin polymers, resulting in a robust membrane with high puncture resistance.
The product complies with BRE BR211: 2023, UK Building Regulations
and is independently certified by the BBA. CE and UKCA marked and manufactured under our ISO 9001 quality management system Radbar Radon 400 provides protection against radon ground gas.
Color | Red |
Material | Low density polyethylene (LDPE) |
Shape | Other |
Length | 20000 mm |
Width | 4000 mm |
Warranty description | Other |
Uniclass | |
CAWS | J40/140 Loose-laid plastics or rubber sheet gas-retardant membranes J40/130 Loose-laid plastics or rubber sheet oversite damp-proofing J40/120 Loose-laid plastics or rubber sheet damp-proofing J40/35 Loose-laid plastics or rubber gas-retardant membranes J40/30 Loose-laid plastics or rubber sheet oversite damp-proofing J40/20 Loose-laid plastics or rubber sheet damp-proofing F30/54 Gas-resistant dpcs/ cavity trays F30/360 Gas-resistant damp-proof courses/ cavity trays D21/38 Gas-retardant membranes D21/350 Gas-retardant membrane |
Material | Polymer. |
Purpose | Gas retardance. |
Performance characteristics | |
Tear resistance | >118 N (nail). |
Resistant to underground gases | Radon. |
Third-party certification | British Board of Agrément (BBA) Certificate. |
Physical properties | |
Colour | Red. |
Dimensions | |
Thickness (minimum) | 400 micronGuidance for specification option: 1600 gauge |
Width (minimum) | 4 m. |
Roll length (minimum) | 20 m. |
Water vapour transmission | 0.29 g/m²/day. |
Radon transmittance | 5 (10-9 m/s-¹). |
Radon permeability | 6 (10-¹² m²/s). |
Accessories: | Jointing tape. Double-sided and overlap tape. Top-hat. Radon sump. Pre-formed corners. |
Contains Red List materials | No |
Country of material origin | United Kingdom |
Country of product manufacture | United Kingdom |
Recyclability | 100% |
Recycled contentAs defined in clause 7.8 of BS EN ISO 14021 | 0 % |