NBS Source
Visqueen Ultimate GeoSeal

Application

  • Used with below ground reinforced concrete structures such as basements, retaining walls, lift pits and car parks.
  • The barrier also prevents the ingress of harmful levels of volatile organic compounds and hazardous ground gases. 

Description

A pre-applied membrane, manufactured using Visqueen’s advanced barrier technology and designed to comply with current guidance on waterproofing, Volatile Organic Compounds (VOCs) and ground gases. The product is textured on one side to aid adhesion to concrete and available in a large roll format to minimize jointing and for quick installation.


Features and benefits:

  • Conforms in full to BS 8102:2009, CIRIA C748 and BS 8485:2015. CE marked (EN 13967).
  • Unique pre-applied and gas resistant membrane.
  • Excellent VOC and methane barrier resistance.
  • Suitable for both tanking and DPM applications.
  • Exceptional puncture resistance, no protection required.
  • Welding and Visqueen Gas Resistant tape system options.

General information

Finish

Textured

Color

Grey on upper side, black on reverse.

Grey

Black

Material

Polethylene

Shape

Rectangular

Size

2440 x 41 000 mm

Roll.

WarrantyDescription

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

Uniclass 2015

Pr_25_57_65_60 Plastics sheetsPrimary

CAWS

J40/140 Loose laid plastics or rubber sheet gas retardant damp proofing

J40/145 Loose laid weldable polyethylene gas retardant damp proofing

J40/146 Loose laid weldable polyethylene gas retardant damp proofing with anchors

J40/35 Loose laid plastics or rubber gas retardant damp proofing

Specification data - Plastics sheets Enhanced data

Purpose

Gas retardance.

Standard

To BS 8485:2015 + A1:2019.

Performance characteristics

-

Tensile strength (minimum)

11.9 kN/m.

Tear resistance

126.9 N.

Elongation to break

>500%.

Resistant to underground gases

Methane.

Radon.

Carbon dioxide.

Benzene.

Toluene.

Ethyl benzene.

O-Xylene.

M-Xylene.

P-Xylene.

Hexane.

Vinyl chloride.

Tetrachloroethene.

Trichloroethene.

Naphthalene.

Water vapour resistance (minimum)

2385 MN·s/g.

Third-party certification

BDA Certified.

Form

Single wound rolls.

Physical properties

-

Colour

Grey topside with blackunderside.

Weight (minimum)

97 kg.

Dimensions

-

Thickness (minimum)

1 mm.

Width (minimum)

2440 mm.

Roll length (minimum)

41 000 mm.

Product Reference

Visqueen Ultimate GeoSeal

TensileStrength

23.6 N/mm².

Tensile strength CD

22.4 N/mm².

Tensile elongation property

701 %.

706 %.

Joint strength

598 N.

Impact resistance

750 mm.

Resistance to static loading - 20kg load

20 kg.

Water vapour permeability

0.063 g/m²/d.

Water vapour resistance

2142 MNs/g.

Application temperature

Recommended should not be installed below 5°C.

Environmental information

Country of material origin

United Kingdom

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