85mm Soprema SOPRATHERM CW4085

85mm Soprema SOPRATHERM CW4085 (previously Celotex CW4000) is a high-performance PIR insulation board with a thermal conductivity of 0.022 W/mK. Aluminium foil-faced for superior thermal performance, it is BBA certified for partial fill cavity wall applications (Certificate 24/7312). Available in thicknesses from 50mm to 100mm.

Pack Size & Coverage

1. Brand: Soprema CW4000
2. Model: 85mm SOPRATHERM CW4085 (previously Celotex CW4085)
3. Thickness: 85mm
4. Length: 1200mm
5. Width: 450mm
6. Pack quantity: 7
7. Board Coverage: 0.54m2
8. Pack Coverage: 3.78m2
9. R-Value: 3.85m2K/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 | 85mm Partial fill insulation
20. BBA Certified: Yes (no. 16/5343)
21. Features: High-performance Cavity Wall Board

The Celotex 85mm CW4085 PIR insulation board is designed to fit standard cavity wall tie spacing, meaning no cutting is required for most installations. This makes the board quick and easy to install, helping reduce installation time on site.

When installed correctly, Soprema CW4080 insulation can help buildings meet UK Building Regulations targets for energy efficiency and carbon dioxide emissions. The product is also BBA certified by the British Board of Agrément, providing reassurance of its quality and performance.

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: 85mm Soprema CW4000 is installed against the inner leaf of masonry walls, leaving a typical 50 mm air gap to the outer leaf.
• New Build & Refurbishment: Suitable for both new masonry constructions and upgrading the thermal performance of existing cavity walls.

Reaction to fire

• 85mm SOPRATHERM CW4000 PIR insulation board has a Euroclass F reaction to fire rating according to BS EN 13501-1.
• Under current UK Building Regulations on combustibility, it must not be used in external walls of buildings over 11 m in height.
• Ensure 80mm CW4000 is specified and installed following all relevant Building Regulations, statutory guidance, and standards.

Standards & Certification

• Thermal conductivity: 0.022W/mK, according to BS EN 13165 for factory made rigid polyurethane foam (PU) product
• Spread of flame: Euroclass F Reaction to Fire classification, according to BS EN 13501-1. Products with this level of classification are not provided with a rating for smoke emission.
• BRE Green Guide Rating: A
• Certification: BBA certified

Info

Have a browse of our Sopratherm 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.