205mm Cordek Cellvent HX EPS Insulation Board integrates the advantages of Ventform with the Cellcore HX series. This solution mitigates the impact of ground movement while serving as an effective gas venting medium. Specifically engineered for placement beneath adequately reinforced ground floor slabs, the depth of the 205mm Cellvent HX panel is determined by the anticipated ground heave. For comprehensive information and design illustrations, kindly consult our Ground Heave Solutions brochure in our download section.
Brand: Cordek®
Thickness: 205mm
Length: 2400mm
Width: 1200mm
Coverage: 2.88m2
Dimensions: 2,400mm x 1,200mm x 205mm
Grade: 18/24
Model: 205mm Cellvent HX (Grade 13/18)
Colour: White and Green
Consistancy: Rigid cellular void former
Material: (EPS) Expanded Polystyrene Board
Applications: Beneath reinforced concrete floor slabs
BBA Certified: Yes, no. 11/4862
Features: Ground heave protection gas venting system
Manufacturer: Cordek Cellvent HX®
Cellvent HX is versatile, with a range of specifications tailored to suit the specific ground conditions of any given project. It seamlessly integrates with Cordek gas membranes, vent outlets, and venting accessories, allowing for the creation of a comprehensive gas protection system.
The following tables offer guidance for selecting the optimal depth and grade of Cellvent HX panel, considering the characteristics of the expansive soil type and the planned thickness of the reinforced concrete slab:
Available depths and grades include:

The 205mm Cellcore Cellvent HX Grade 18/24 merges the advantages of the Cellcore HX range with Ventform, effectively addressing the impact of ground heave while serving as an excellent gas venting medium.
Available in various specifications, Cellvent HX can be seamlessly integrated with gas membranes, vent outlets, and venting accessories, forming a comprehensive gas protection system.
Specifically tailored for use beneath suitably reinforced ground floor slabs in areas where subsidence is not anticipated, the Cordek EPS Void Former Formwork Cellvent HX is designed to meet these requirements.
Providing an equivalent ventilation capacity to the Ventform 80 range, including a 40mm void depth, Cellvent HX is EPS insulation board suitable for applications where a comprehensive gas protection system is needed. For increased venting capacity requirements, please reach out to us.
The depth of the Cellvent HX panel is contingent on the predicted amount of ground heave.
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