Gas Venting Accessories

The Gas Venting Accessories range is designed to complement the passive, sub-floor venting systems offered by Cordek. The series of products are designed to form a robust connection between venting mediums such as Ventform or Cellvent and the perimeter vents outlets, which include air bricks, vent boxes and bollards.


  • Robust HDPE construction
  • Compatibility with all Cordek venting systems
  • Ensure VOC’s and ground gases are adequately vented to the atmosphere


Designed for connecting the Cordek range of passive, sub-floor venting systems e.g. Ventform, Cellvent etc to perimeter vent outlets.


Suitable for use with Ventform, Cellvent and Radon Sumps. Please refer to the Gas Venting Accessories data sheet for further information regarding compatibility with the Cordek vent outlet range.


Data Sheets

Product Issue Date Version Size Download
Ground Level Vent Box Data Sheet 09/2017 4 1.4 MB
Air Bricks and Adjustable Cavity Vents Data Sheet 07/2016 4 538.8 KB
Gas Venting System Accessories Data Sheet 03/2016 2 553.2 KB
Gas Venting Bollard Data Sheet 09/2016 4 600.1 KB

MSDS Data Sheets

Product Issue Date Version Size Download

NBS Clauses

Our NBS Clauses are hosted on the external website - view NBS Clauses

BIM Library

Please select the BIM file in the format you require.

Name IFC Size IFC Download Revit Size Revit Download
Circular Gulley Vent CGV-022 113.2 KB 300.0 KB
Ground Level Vent Box CGV-021 93.7 KB 336.0 KB
Ground Level Vent Box CGV-018 94.1 KB 344.0 KB
Gas Venting Bollard 027 311.5 KB 384.0 KB
Gas Venting Bollard 026 687.8 KB 360.0 KB
Gas Venting Bollard 025 687.8 KB 360.0 KB

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