NBS Source
Visqueen Gas Resistant Self Adhesive Membrane

Application

  • Suitable for use as a type A barrier membrane for above and below ground applications such as basements, retaining walls and lifts pits.
  • It is also suitable for use in all types of buildings to prevent the ingress of harmful levels of ground gases.
  • The membrane can be applied to a variety of substances, such as concrete, blockwork, brickwork, particle boards and steelwork, in both vertical and horizontal applications.

Description

A foil lined modified bitumen rubber membrane with a self adhesive coating protected by a removable polyethylene release film.


Features and benefits:

  • Prevents the transmission of carbon dioxide, radon and methane gases.
  • Cold applied.
  • Resistance to gas is achieved by an integral aluminium film.
  • BBA certified - third party accreditation.
  • Type A Barrier Membrane (Tanking Membrane) - resistant to ground water in accordance with BS 8102:2009,
  • Complies with BS 8485:2015 + A1:2019 - industry standard for methane and carbon dioxide protection.
  • Easy to detail and install on site.
  • Also acts as a radon and damp proof membrane.
  • No jointing tapes required.

General information

Shape

Rectangular

Color

Silver

Material

Foil Lined, modified bitumen rubber membrane with a self adhesive coating protected by a removable polyethylene release film. 

Bitumen

Aluminium

WarrantyDescription

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

Size

1000 x 20 000 mm

Roll.

Uniclass

Pr_25_57_08_08 Bitumen sheetsPrimary

CAWS

J40/180 Self-adhesive bitumen membranes

J40/45 Self-adhesive bitumen gas retardant damp proofing/ tanking

Specification data - Bitumen sheets Enhanced data

Standard

To BS 8102:2009.

Performance characteristics

Resistant to underground gases / Damp proof membrane.

Third-party certification

British Board of Agrément (BBA) certified.

Form

Flexible self-adhesive roll.

Material

-

Carrier material

PET.

Aluminium.

Bitumen modification

Adhesive-modified bitumen.

Root inhibitor

Metal foil.

Gas inhibitor

Aluminium foil.

Weight (minimum)

1.1 kg/m².

Thickness (minimum)

1 mm.

Surface finishes

-

Top

Self adhesive bitume.

Underside

PET.

Aluminium.

Product Reference

Visqueen Gas Resistant Self Adhesive Membrane

Accessories

Detailing strip.

GR DPC.

High performance tanking primer.

Preformed Pipe Cloak (Top Hat) Units.

Visqueen Protect&Drain.

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Length

20 000 mm.

Width

1000 mm.

Fire performance

F Class.

Application temperature

Recommended should not be used below 5°C

Watertightness

60 kPa.

Resistance to static loading - 20kg load

20 kg.

Reaction to fire

E Class

Tensile elongation property

>130 %.

Environmental information

Country of material origin

United Kingdom

Digital objects

Platform Compatible Version Certified to
IFC

IFC2X3

3

1.3
Revit

Revit 2015

4

1.3
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