Soprema SOPRAXPS 700 SL ES 100mm XPS Board

The 100mm Soprema SOPRAXPS 700 SL ES is a rigid extruded polystyrene (XPS) insulation board manufactured using CO₂ technology for superior environmental performance. This high-performance board delivers excellent thermal efficiency and moisture resistance, making it ideal for demanding UK construction applications.

Engineered for structural floors, basements, car parks, and inverted roofs, the 100mm Soprema XPS board achieves a minimum compressive strength of ≥700 kPa, providing reliable load-bearing capacity and long-term structural stability.

The smooth surface and shiplap (SL) edge profile enable secure interlocking between boards, minimising thermal bridging and streamlining the installation process. Fully CE marked to BS EN 13164 and compatible with SOPREMA waterproofing systems, this board meets all UK and European construction standards.

Key Benefits

1. Brand: Soprema SOPRAXPS 700 SL ES (Previously Soprema SL)
2. Model: 100mm XPS 700
3. Thickness: 100mm
4. Weight: 12.00kg
5. Dimensions: 1,250mm x 600mm x 100mm
6. Board Length: 1250mm
7. Board Width: 600mm
8. Pack of: 4
9. Board Coverage: 0.75m2
10. Pack Coverage: 3.0m2
11. Density: 35kg/m3
12. R-Value: 2.90m2K/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

This XPS board delivers dependable thermal performance with low thermal conductivity (approximately 0.036 W/mK), supporting energy-efficient building design across diverse projects.

Suited to developers, architects and contractors seeking robust insulation solutions, this board combines load-bearing capacity, moisture protection and environmental responsibility in a single high-performance product.

Meeting contemporary UK building regulations, the 100mm Soprema SOPRAXPS 700 SL ES insulation board delivers exceptional strength, durability and thermal efficiency for construction and civil engineering applications nationwide.

Info

Browse our full range of Soprema XPS insulation products. We deliver across the UK Mainland. For product suitability advice on your project or to request a quantity discount quotation, contact us on 02038839057 / 02038839057, email sales@insulationbee.co.uk or use Live Chat for the best UK insulation prices.