Verified by manufacturer 3 months ago
Machine direction (MD)
Radon barrier
For use on sites with radon gas.
A flexible, loose-laid gas barrier for use on sites with radon gas.
The barrier incorporates a three-layer low density polyethylene membrane with a polypropylene reinforcement grid. The membrane is extremely flexible for ease of installation and robust to cope with site conditions.
Features and benefits:
Color | Red Grey Manufacturer guidanceRed topside with grey underside. Other colours are available. Consult manufacturer for details.  | 
Material | Polyethylene  | 
Length | 50000 mm  | 
Width | 3000 mm  | 
Warranty description | Ten year  | 
Uniclass | |
CAWS | D21/350 Gas-retardant membrane F30/360 Gas-resistant damp-proof courses/ cavity trays F30/54 Gas-resistant dpcs/ cavity trays J40/120 Loose-laid plastics or rubber sheet damp-proofing J40/140 Loose-laid plastics or rubber sheet gas-retardant membranes J40/145 Loose-laid weldable polyethylene gas-retardant membranes J40/35 Loose-laid plastics or rubber gas-retardant membranes  | 
SKU Code | DMS 401  | 
Classification data | |
Material | Polypropylene.  | 
Purpose | Damp-proof membrane.  | 
Third-party certification | CE-marked and BBA-certified.  | 
Performance characteristics | |
Tensile strength (minimum) | 500 N/50 mm. Guidance for specification option: Maximum tensile strength.  | 
Tear resistance | 400. Guidance for specification option: Nail Tear Resistance.  | 
Elongation to break | 15.  | 
Physical properties | |
Colour | Red topside with grey underside. Manufacturer guidanceOther colours are available. Consult manufacturer for details.  | 
Dimensions | |
Thickness (minimum) | 0.5 mm.  | 
Width (minimum) | 2 m. 3 m.  | 
Roll length (minimum) | 50 m.  | 
Permeability | Manufacturer guidance
  | 
Contains Red List materials | No  | 
Material | Polyethylene  | 
Recyclability | No  | 
Recycled contentAs defined in clause 7.8 of BS EN ISO 14021  | 0 %  | 
NBS BIM Object Standard
This BIM object has been authored to meet the requirements of the NBS BIM Object Standard.
Find out more about the NBS BIM Object Standard.
| Platform | Compatible | Version | 
|---|---|---|
| - | 1  | |
| - | 1  | 
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