60mm Soprema SOPRATHERM CW4060 PIR Board

60mm Soprema SOPRATHERM CW4060 (formerly Celotex CW4000) delivers high-performance thermal insulation for cavity wall applications with a thermal conductivity rating of 0.022 W/mK. The aluminium foil-faced construction provides excellent thermal performance and is BBA certified for partial fill cavity wall installations (Certificate 24/7312). Supplied in thicknesses ranging from 50mm to 100mm.

Pack Size & Coverage

1. Brand: Soprema CW4000
2. Model: 60mm SOPRATHERM CW4060 (formerly Celotex CW4060)
3. Thickness: 60mm
4. Length: 1200mm
5. Width: 450mm
6. Pack quantity: 10
7. Board Coverage: 0.54m2
8. Pack Coverage: 5.4m2
9. R-Value: 2.70m2K/W
10. Thermal Conductivity: 0.022 W/mk
11. Density: 30Kg/m3
12. Edge profile: Straight edge
13. Vapour Resistivity: 100 MNs/gm
14. Building Regulations: Compliant
15. Material: PIR
16. Finishing top: Alu-kraft
17. Finishing bottom: Alu-kraft
18. Shipping method: Articulated Vehicle
19. Applications: Cavity Walls ǀ Masonry Walls | 60mm Partial fill insulation
20. BBA Certified: Yes (no. 16/5343)
21. Features: High-performance Cavity Wall Board

This PIR insulation board is engineered to align with standard cavity wall tie spacing, eliminating the need for cutting during most installations. The straightforward installation process helps minimise labour time and site disruption.

When properly installed, Soprema CW4060 supports compliance with UK Building Regulations requirements for thermal performance and carbon reduction. The product carries BBA certification from the British Board of Agrément, confirming its reliability and thermal properties.

Benefits

1. Declared Thermal Conductivity (λD): 0.022 W/mK
2. Nominal Board Dimensions: 2400 x 1200 mm
3. Thickness Range: 40 mm to 100 mm
4. Edge Profile: Straight
5. Aluminium Foil Surface Emissivity: 0.05
6. BBA Certified: Certificate 25/7312 (Partial Fill Cavity Walls)

Application

• Primary Application: Partial-Fill Cavity Walls: The 60mm Soprema CW4000 is positioned against the inner leaf of masonry cavities, maintaining a standard 50 mm air gap to the outer leaf.
• New Build & Refurbishment: Appropriate for new masonry projects and enhancing thermal performance in existing cavity wall systems.

Reaction to fire

• 60mm SOPRATHERM CW4000 PIR insulation board achieves Euroclass F reaction to fire performance under BS EN 13501-1.
• Under current UK Building Regulations regarding combustibility, this product cannot be specified in external walls of buildings exceeding 11 m in height.
• Installation must comply with all applicable Building Regulations, statutory guidance, and relevant standards.

Standards & Certification

• Thermal conductivity: 0.022W/mK, tested to BS EN 13165 for factory-manufactured rigid polyurethane foam (PU) products
• Spread of flame: Euroclass F Reaction to Fire rating per BS EN 13501-1. Products at this classification level do not receive a smoke emission rating.
• BRE Green Guide Rating: A
• Certification: BBA certified

Info

Explore our full range of Sopratherm insulation solutions. We deliver throughout the UK Mainland. For product suitability advice, project-specific recommendations, or bulk pricing enquiries, contact us on 02038839057 / 02038839057, email sales@insulationbee.co.uk or use Live Chat for competitive UK insulation pricing.