Visqueen Ultimate HC BLOK

Application

  • Used in all building types to prevent ingress of volatile organic compounds.
  • Also acts as a damp proof membrane.
  • The barrier can be positioned above or below a solid concrete ground floor slab or above a precast suspended segmental ground floor system

Description

A highly flexible 0.5 mm thick co-extruded membrane manufactured using Visqueen’s advanced membrane technology and designed to comply with current guidance on Volatile Organic Compounds (VOCs) vapours and ground gases.


The barrier can also be used in all types of buildings to prevent the ingress of harmful levels of ground gases. 


Features and benefits:

  • Conforms to CIRIA C748 and BS 8485:2015. CE marked to EN 13967.
  • Excellent VOC (vapour) and methane barrier resistance.
  • Exceptional flexibility and puncture resistance.
  • Comprehensively tested and validated test results.
  • Easily welded, saving time and costs.
  • Multi-functional with dual jointing methods.

General information

Color

Gold on upper surface and white on the reverse.

Gold

White

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

D21/350 Gas-retardant membrane

D21/38 Gas-retardant membranes

Specification data - Plastics sheets Enhanced data

Purpose

Vapour control layer.

Gas retardance.

Standard

To BS 8485:2015 +A1:2019.

Performance characteristics

-

Tensile strength (minimum)

4.91 kN/m.

Tear resistance

48.7 N.

Elongation to break

699%.

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)

1034 MN·s/g.

Third-party certification

BDA Certified.

Physical properties

-

Colour

Gold topside with white underside.

Weight (minimum)

49 kg.

Dimensions

-

Thickness (minimum)

0.5 mm.

Width (minimum)

2440 mm.

Roll length (minimum)

41 000 mm.

Product Reference

Visqueen Ultimate HC BLOK

TensileStrength

32.8 N/mm².

Tensile strength CD

33.1 N/mm².

Elongation

699 %.

MD.

723 %.

CD.

Joint strength

265 N.

Impact resistance

200 mm.

Water vapour resistance

1034 MNs/g.

Water vapour permeability

0.13 g/m²/d.

Application temperature

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

Environmental information

Country of material origin

United Kingdom

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