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Visqueen Gas Vent Mat
NBS BIM object standard Verified by manufacturer 3 months ago
Gas venting membrane.
Application
- For use underneath buildings to create a 25 mm deep void beneath reinforced concrete ground floor slabs.
Description
A geocomposite void former comprising a cuspate high-density polyethylene (PE-HD) core bonded to a nonwoven polypropylene geotextile filter membrane.
Features and benefits:
- 25 mm thick and supplied in rolls 0.9m x 50m.
- Large format rolls - rapid installation.
- Cost effective - less contaminated soil to be removed compared to pipe and gravel systems.
- Complies with BS 8485:2015 + A1:2019 - system achieves between 0.5 and 1.5 points.
- Full range of system components provides various methods of exhausting gases to atmosphere.
General information
Color | Black |
Finish | Laminated |
Material | High density polyethylene (HDPE) |
Shape | Rectangle |
Length | 50000 mm |
Width | 900 mm |
Height | 25 mm |
WarrantyDescription | See manufacturer's insurance document for warranty details. Consult manufacturer for further information. |
Uniclass | |
CAWS | J40/295 Geocomposite studded cavity drainage/ venting membrane |
Specification data - Rubber studded sheets
Material | - |
Studded layer | High-density polyethylene (PE-HD). |
Stud height | 25 mm. |
Weight (minimum)Roll weight. | 74 kg. |
Colour | Black. |
Performance characteristics | - |
Flow rate | 155 L/s/m. |
Fire performance | F Class. |
ShearStrength | 1 kN. |
CompressiveStrength | 300 kN/m². |
Width | 900 mm. |
Length | 50 000 mm. |
Accessories | Visqueen Pro Gas Vent Box. Visqueen Venting Pipework and Connectors. |
Environmental information
Country of material origin | United Kingdom |
Digital objects
| Platform | Compatible | Version | Certified to |
|---|---|---|---|
 Revit | - | 1 | 2.1 |
 IFC | - | 1 | 2.1 |
Literature
Visqueen Product Guide 2022
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