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Visqueen Zedex High Bond DPC

Visqueen Zedex High Bond DPC

Visqueen Third party certifications:
  • BBA Agrément Certificate

    BBA Agrément Certificate

    Certificate type

High performance, bitumen gas resistant damp proof course.

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  • Suitable for general cavity tray applications including parapet walls, beneath copings and cappings, in gas resistant DPC applications and complex detailing work at ground level.
  • It can be torch bonded to masonry units and all laps are homogenously sealed during the torch bonding process.


A heavy duty damp proof course (DPC) and cavity tray system manufactured with a polyester reinforced carrier, rubber modified coating and surfaced on both sides with a fine silica sand.

Features and benefits:

  • Manufactured in excess of British Standard and achieves minimum DPC requirements.
  • Gas resistant - part of the Visqueen Gas Barrier system to provide gas protection to BS 8485:2015 + A1:2019.
  • Multi-functional, this product also acts as a radon resistant damp proof course and can be used in conjunction with the Visqueen Radon membranes to form a complete system for basic radon protection.
  • Excellent mortar adhesion - ideal for low compressive load applications.
  • Suitable to form complex or awkward detailing on site.
  • Modified bituminous coating - laps can be tape bonded or heat bonded.

General information




Silica sand






450 x 8000 mm

600 x 8000 mm

1000 x 8000 mm


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

Uniclass 2015

Pr_25_57_21_08 Bitumen polymer damp-proof courses and cavity traysPrimary


F30/310 Damp proof courses – bitumen based

F30/330 Damp proof courses

F30/345 Site formed flexible sheet cavity trays – plastics

F30/360 Gas resistant damp proof courses/ cavity trays

F30/380 Junction cloaks/ stop ends for preformed dpcs/ cavity trays

F30/385 Junction cloaks/ stop ends for preformed dpcs/ cavity trays

F30/44 Damp-proof course – bitumen based

F30/48 Damp-proof course

F30/52 Site formed flexible sheet cavity trays

F30/54 Gas resistant dpcs/ cavity trays

F30/58 Preformed dpc/ cavity tray junction cloaks/ stop ends

Specification data - Bitumen polymer damp-proof courses and cavity trays Enhanced data


CE Mark EN 13969:2004.

Mass (minimum)

3.8 kg/m².

Thickness (minimum)

3 mm.

Product Reference

Visqueen Zedex High Bond DPC


Single wound format.


60 kPa.


450 mm.

600 mm.

1000 mm.

Joint strength

350 N.



Reaction to fire

F class.

Application temperature

Recommended should not be used below 5°C. However due to the heat bonded installation method the DPC is more tolerant in cold weather working.

Environmental information

Country of material origin

United Kingdom

Country of product manufacture

United Kingdom

Third party certifications

  • 10/4782