25mm Cellecta Hexatherm XFLOOR 250 x 2500mm

25mm Cellecta Hexatherm XFLOOR 250 insulation boards are high-strength XPS floor insulation boards with a closed-cell structure that provides excellent resistance to water absorption. Designed for a wide range of domestic, commercial, and educational floor applications, these boards deliver durable thermal performance while withstanding heavy loads and moisture.

Perfect for a wide range of domestic, commercial and educational construction projects, 25mm Hexatherm XFLOOR 250 boards are designed to deliver reliable thermal insulation and moisture resistance in demanding flooring applications across the UK.

Looking to buy the XFLOOR 250 x 1250mm version ? Please visit XFLOOR 250 x 1250mm

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: 2500mm
4. Pack Quantity: 16 sheets / 1 sheet In certain areas of the UK
5. Board Coverage: 1.5m2
6. Pack Coverage: 24m2
7. Density: 34kg/m3
8. **Weight/m2: 0.85kg
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 – designed to withstand heavy point loads
• Water-resistant with a closed-cell structure, suitable for areas near moisture
• 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
• Long-term thermal performance for efficient energy savings
• Super low U-values achievable for optimal insulation performance

25mm XFLOOR insulation boards are available in a range of thicknesses from 20mm to 30mm, which are ideal for a variety of floor requirements such as on suspended beam and block floors, above-ground bearing concrete floor slabs and basements.

Info

Have a browse of our Cellecta Insulation products. We supply to the entire UK Mainland. If you’d like to talk through the suitability of some products for your project, or get a quantity discount quotation please call us by phone on 02039519012 / 02038839057, email sales@insulationstoreonline.co.uk or Live Chat - Lowest UK XPS Insulation Prices near me.