140mm Soprema Sopraxps 700 SL ES XPS Insulation

The 140mm Soprema SOPRAXPS 700 SL ES is a high-performance extruded polystyrene (XPS) insulation board designed for UK construction projects requiring exceptional durability and thermal efficiency. Produced using environmentally friendly CO₂ technology, this rigid XPS board offers outstanding moisture resistance and long-lasting thermal performance in challenging conditions.

Perfect for structural floors, basements, car parks, and inverted roofs, the 140mm Soprema XPS board provides a minimum compressive strength of ≥700 kPa, ensuring it withstands heavy loads while maintaining its structural integrity over time.

Featuring a smooth surface and shiplap (SL) edge profile, this XPS insulation board allows secure interlocking, reduces thermal bridging, and simplifies installation. Fully CE marked to BS EN 13164 and compatible with SOPREMA waterproofing systems, it meets stringent UK and European construction standards for reliability and performance.

Upgrade your projects with 140mm Soprema SOPRAXPS 700 XPS insulation, engineered for strength, efficiency, and durability.

Key Benefits

1. Brand: Soprema SOPRAXPS 700 SL ES (Previously Soprema SL)
2. Model: 140mm XPS 700
3. Thickness: 140mm
4. Weight: 12.00kg
5. Dimensions: 1,250mm x 600mm x 140mm
6. Board Length: 1250mm
7. Board Width: 600mm
8. Pack of: 3
9. Board Coverage: 0.75m2
10. Pack Coverage: 2.3m2
11. Density: 35kg/m3
12. R-Value: 4.10m2K/W
13. Thermal Conductivity: 0.034 W/mK
14. Compressive Strength: 700kPa
15. Material: Extruded Polystyrene
16. Edge Profile: Rebated edge
17. Surface: Smooth
18. Reacting to fire: E
19. Applications: Garage, Car parks, Roof, Floor, Basement
20. Features: High quality ǀ Waterproof ǀ Rigid XPS
21. Manufacturer: SOPREMA

Key Features

• Moisture-Resistant
• Shiplap (SL) Edges
• High Compressive Strength
• Closed-Cell XPS Foam Core

Available in a range of thicknesses, SOPRAXPS 700 SL ES offers excellent thermal performance with low thermal conductivity (approx. 0.036 W/mK), making it a dependable choice for energy-efficient building design.

Perfect for developers, architects and contractors specifying robust insulation solutions, this XPS board combines strength, moisture resistance and sustainability in one high-performance product.

Designed to meet the needs of modern UK building regulations, 140mm Soprema SOPRAXPS 700 SL ES insulation boards offer outstanding strength, durability and thermal efficiency across a wide range of construction and civil engineering projects.

Info

Have a browse of our Soprema XPS 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 Insulation Prices near me.