Visqueen Gas Vent Mat

Application

  • For use underneath buildings to create a 25 mm deep void beneath reinforced concrete ground floor slabs. 
  • Can also be used as heavy-duty protection for over tanking membranes and to assist drainage.

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 0.9 x 50 m.
  • 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

Studded

Material

Polyethylene

Shape

Rectangular

Size

900 x 50 000 mm

WarrantyDescription

See manufacturer's insurance document for warranty details. Consult manufacturer for further information.

Uniclass 2015

Pr_25_57_51_74 Rubber studded sheetsPrimary

CAWS

J40/295 Geocomposite studded cavity drainage/ venting membrane

Specification data - Rubber studded sheets Enhanced data

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.

Product Reference

Visqueen Gas Vent Mat

ShearStrength

1 kN.

CompressiveStrength

300 kN/m².

Width

900 mm.

Length

50 000 mm.

Environmental information

Country of material origin

United Kingdom

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