Verified by manufacturer 20 days ago
40 mm thick.
PIR insulation for partial fill masonry cavity walls.
Walls - External Wall Insulation - Partial Fill Masonry Cavity Walls
Celotex CW4000 is an easy to install polyisocyanurate (PIR) insulation board with excellent thermal performance, featuring a low emissivity foil facing. Available in thicknesses from 40 mm to 100 mm, it is suitable for use in partial fill cavity wall applications.
Product Features
Fire Classification
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.
Product Benefits
Key Considerations
When using Celotex CW4000, you need to satisfy yourself that use of the product meets all relevant national Building Regulations and guidance as well as local, national and other applicable standards relevant for your construction or application, including requirements in relation to fire and applicable height restrictions.
Please refer to the following product documents:
Celotex CW4000 should not be used in the external walls of buildings over 11 metres in height. Recent changes to Building Regulations mean that only non-combustible insulation or insulation of limited combustibility should be used in buildings of that height.
Color | Silver Guidance for specification option: Face Cream |
Finish | Foil |
Material | Polyisocyanurate (PIR) |
Shape | Rectangle |
Length | 450 mm |
Width | 1200 mm |
Uniclass | |
CAWS | F30/12 Partial fill cavity insulation F30/155 Partial fill cavity insulation |
Standard | To BS EN 13165.Guidance for specification option: Declaration of Performance (DoP): UKCA Marked to BS EN 13165. |
Third-party certification | BBA approved 16/5343; ISO 9001; ISO 14001; UKCA marked.Guidance for specification option:
|
Fire performance | 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. |
Thermal conductivity (maximum) | 0.022 W/m.K. |
Compressive strength at 10% deformation | Manufacturer’s standard.Guidance for specification option: Consult manufacturer for details. |
Cross section | Uniform thickness. |
Thickness (nominal) | 40 mm. |
Face size (length x width) | 1200 x 450 mm. |
Density | Manufacturer's standard.Guidance for specification option: Consult manufacturer for details. |
Recycled content | Manufacturer's standard.Guidance for specification option: Consult manufacturer for details. |
Facing | Foil. |
Edges | Square. |
Thermal resistance (R-value) | 1.80 m²K/W. |
Handling | Manufacturer's standard. Guidance for specification option: Information regarding storage, installation and handling of Celotex products, or health and safety information, can be found on the manufacturer's website. |
Country of product manufacture | United Kingdom |