Visqueen Preformed Units

Visqueen Third party certifications:
  • BBA Agrément Certificate

    BBA Agrément Certificate

    Certificate type

  • QA Certificate

    QA Certificate

    Certificate type

Factory manufactured three dimensional shapes.

Jump to:
+44 (0) 333 202 6800


  • Suitable for detailing complex or awkward junctions in masonry wall applications including residential, commercial and multi storey buildings.
  • The units can also be used for complex junctions associated with membrane applications within floor constructions, e.g. door thresholds and corners etc.
  • The units can also be used to prevent harmful ground gases from entering into the building at the above junctions.


Factory manufactured three dimensional shapes formed from either Visqueen Zedex CPT High Performance DPC (Zedex Units) or Visqueen Ultimate HC Blok (Ultimate Units).

Features and benefits:

  • Factory manufactured three dimensional shapes simplify complex detailing.
  • Easy to install on site.
  • Suitable for both damp and gas proofing applications.
  • Ideal for built-in and surface fixed cavity tray applications.
  • BBA/ BDA certified - third party certifications.
  • Cost effective - speeds up installation on site.
  • Compatible with all Visqueen damp and gas proof courses and membranes.
  • CE Marked to EN 14909:2012 (Zedex Units) or EN 13967:2017 (Ultimate Units).

General information


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

Uniclass 2015

Pr_25_57_21_66 Preformed cavity traysPrimary


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

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

F30/56 Preformed cavity trays

Specification data - Preformed cavity trays Enhanced data

Third party certification

British Board of Agrément (BBA) certified / BDA certified.


Insert requirement, consult manufacturer.

Length (effective)

Consult manufacturer and insert requirement.

Product Reference

Visqueen Preformed Units


Ultimate Units.

Zedex Units.

Water tightness (to EN 1928)

At 2kPa, Pass.

Low temperature resistance

To EN 495-5, -40°C.

Flexibility at low temperature

To EN 1109, -15°C.

Tear resistance (to BS EN 12310-1)

250 N.

Water vapour transmission

1034 MNs/g.

Ultimate units.

372 MNs/g.

Zedex units.

Reaction to fire

F class.

Application temperature

Recommended should not be used below 5°C.

Third party certifications

BBA Agrément Certificate

BBA Agrément Certificate

Additional certifications:

  • BDA: BAF-18-051-P-A-UK - Certified for Ultimate Units
  • CE: Marked - EN 14909:2012 : Zedex Units
  • CE: Marked - EN 13967:2017