Cellecta Hexatherm XFLOOR 250 20mm

20mm Cellecta Hexatherm XFLOOR 250 insulation boards are high-performance XPS floor insulation boards featuring a closed-cell structure that offers superior water resistance and durability. Engineered for residential, commercial, and institutional floor applications, these boards combine robust thermal performance with the ability to support substantial loads and resist moisture penetration.

Suitable for numerous residential, commercial and institutional construction projects across the UK, 20mm Hexatherm XFLOOR 250 boards provide dependable thermal insulation alongside moisture protection for challenging flooring scenarios.

Looking to buy the XFLOOR 250 x 2500mm Length version ? Please visit XFLOOR 250 x 2500mm

Pack Information

In certain areas of the UK, we can supply individual Cellecta XPS boards, while in others, orders must be placed in full pack quantities. Please contact us to request a quote

Pack Size & Coverage

1. Brand name: HEXATHERM XFLOOR 250
2. Board Width: 600mm
3. Board Length: 1250mm
4. Pack Quantity: 20 sheets / 1 sheet In certain areas of the UK
5. Board Coverage: 0.75m2
6. Pack Coverage: 15m2
7. Density: 34kg/m3
8. Weight: 1.44kg
9. Thermal Conductivity: 0.033W/mK
10. R-Value: 1.21m2K/W
11. Material: CO₂ blown extruded polystyrene
12. Thermal conductivity (W/mK): 0.033 ≤ 80mm, 0.034 ≥ 81mm
13. Strength at 10% compression (kPa): 250
14. Strength at 2% compression (kPa): 80
15. Long term water absorption by immersion: 0.7%
16. Edge profile: Square edge

Key Characteristics

• High compressive strength – engineered to handle substantial point loads without deformation
• Water-resistant with a closed-cell structure, appropriate for moisture-prone areas
• Ideal for basement floors and other ground-bearing applications
• Environmentally friendly: Global Warming Potential (GWP) 5, blown with reclaimed CO₂, and 100% recyclable
• Sustainable compliance: fully meets the Code for Sustainable Homes POL 1 requirements
• Consistent thermal performance delivering long-term energy efficiency benefits
• Achieves low U-values for superior insulation results

20mm XFLOOR insulation boards come in thicknesses ranging from 20mm to 30mm, making them suitable for various floor types including suspended beam and block floors, above-ground bearing concrete floor slabs and basements.

Info

Browse our full range of Cellecta insulation products. We deliver to the entire UK Mainland. To discuss product suitability for your project or obtain a volume discount quote, contact us on 02038839057 / 02038839057, email sales@insulationbee.co.uk or use Live Chat - Lowest UK XPS Insulation Prices near me.