Cellcore HX Plus at 365mm thickness is purpose-designed for installation beneath reinforced concrete floor slabs. It combines ground heave protection with thermal insulation benefits. The product features a cellular Expanded Polystyrene core bonded to a Filcor insulation layer and covered with a protective polypropylene sheet. Each unit undergoes precision manufacturing and comprehensive testing to guarantee consistent performance standards.
Brand: Cordek®
Model: 365mm Cellcore HX Plus
Thickness: 365mm
Length: 2400mm
Width: 1200mm
Board coverage: 2.88m2
Available Grades: 7/10, 9/13, 13/18, 18/24, 24/32
Dimensions: 2,400mm x 1,200mm x 365mm
Beams Widths: 2400mm x 1200mm to 300mm (in 25mm increments)
Material: EPS Insulation ǀ Filcor ǀ Polypropylene
Shipping method: Rigid Vehicle ǀ Courier
Applications: Reinforced concrete floor slabs
BBA Certified: Yes (no.11/4862)
Maximum depth of concrete: 220mm
Features: Insulated Heave Protection Board
Safe load: 7 kN/m2
Shrinkage Category: Low
Manufacturer: Cordek Cellcore HX PLUS®
The flexibility of 365mm Cellcore HX Plus allows for custom shapes, sizes and profiles to be produced with relatively quick turnaround times. A selection of materials with varying compressive strengths is available to match your application's loading needs whilst delivering the most economical option.
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Standard products come in various depths and grades to suit typical combinations of soil heave risk, concrete thickness and U-value specifications.
365mm Cellcore HX Plus is engineered for use beneath reinforced concrete floor slabs, delivering both insulation and ground heave protection.
To establish the right product specifications, first determine the appropriate 365mm Cellcore HX depth and grade to manage ground heave whilst supporting structural loads. Then calculate the required Filcor insulation thickness to achieve your target U-value.
Explore our full Cordek range and filter by thickness or coverage using the options on the left. For advice on product suitability for your project or to request a bulk discount quotation, contact us on +4402038839057, email sales@insulationbee or use Live Chat - Lowest UK Insulation board Prices.













