Next day delivery available! Call 020 3004 5451

Speak to an expert! Call 020 3004 5451

Celotex  |  SKU: 48379929461083

Celotex CW4000 - 1200mm x 450mm - All Thicknesses


£54.49 GBP
VAT and Shipping calculated at checkout.

Contact

Have any questions or need assistance with this product?

Phone: 020 3004 5451

Email: sales@nationalinsulationsupplies.com

Contact us.

Delivery & Shipping

Standard: 3-5 Working Day Delivery

Express: Same/Next Day Delivery - subject to availability, please call: 020 3004 5451

For further information, please see our Delivery & Shipping Policy here.

Returns

This product is a non-returnable product, please see our Return and Refund Policy for further details.

Product Datasheets

Product Datasheet:

Celotex CW4000 Datasheet

Declaration of Performance:

Celotex CW4000 DoP

Certificates:

Celotex CW4000 BBA Certificate

U-Value Calculator

Things you should know about this product!

  • This product is sold by the pack
  • The amount of boards in a pack depends on the thickness
  • This product is available in the following thicknesses: 40mm, 50mm, 60mm, 75mm, 85mm and 100mm

Description

Celotex CW4000 is a straightforward-to-install polyisocyanurate (PIR) insulation board renowned for its exceptional thermal performance, equipped with a low emissivity foil facing. Available in thicknesses ranging from 40mm to 100mm, it is specifically designed for use in partial fill cavity wall applications. Its high-quality insulation properties combined with its ease of installation make it an ideal choice for enhancing the thermal efficiency of buildings.

Specifications

  • Length
    1200mm
  • Width
    450mm
  • Material type
    Polyisocyanurate
  • Thermal conductivity
    0.022 W/mK
  • Fire rating
    Euroclass F
  • Compressive strength
    120 kPa
  • Edge
    Square

Key Features

  • Lightweight 1200 x 450mm boards
  • Squared edges
  • Low emissivity foil facing
  • BBA approved – certificate 16/5343 (Partial Fill Cavity Walls)
  • Easy to Install

Where to use

Cavity Walls: Celotex CW4000 stands out as an excellent option for cavity wall insulation owing to its notable thermal performance, effectively reducing heat loss and enhancing energy efficiency within buildings, particularly in regions with varying climates. Its rigid polyisocyanurate (PIR) insulation material not only delivers exceptional thermal conductivity but also enables thinner wall constructions, making it advantageous for projects where space optimisation is a priority. Furthermore, Celotex CW4000's moisture resistance and durability ensure long-lasting protection against moisture ingress, guarding against structural damage and mould formation over time. Its lightweight composition further streamlines handling and installation processes, potentially minimising labour costs and project timelines. In summary, Celotex CW4000 presents a compelling solution for cavity wall insulation, offering a blend of thermal efficiency, durability, and ease of installation that benefits both building owners and occupants alike.

Frequently asked questions

  • Are there any specific standards or certifications for Celotex CW4000 insulation? - Yes, Celotex CW4000 insulation products meet relevant building regulations and standards for thermal insulation, fire safety, and environmental performance. They are typically certified by appropriate industry bodies, ensuring their quality and reliability.
  • Can Celotex CW4000 insulation be used in retrofitting projects? - Yes, Celotex CW4000 insulation is suitable for retrofitting existing buildings as well as new construction projects. Its specific design for cavity walls makes it an effective solution for improving energy efficiency and thermal comfort in both scenarios.
  • Is Celotex CW4000 insulation environmentally friendly? - Celotex CW4000 insulation contains blowing agents with a high global warming potential (GWP). While it provides excellent thermal performance, its environmental impact is a consideration. Celotex offers guidance on the responsible use and disposal of its products.

Payment & Security

Payment methods

  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Maestro
  • Mastercard
  • PayPal
  • Shop Pay
  • Union Pay
  • Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

Compare with similar products

Compare below to see what sets these products apart:

A table comparing the facets of 2 products
Facet
Celotex CW4000 - 1200mm x 450mm - All Thicknesses
View details
Celotex Thermaclass Cavity Wall 21 - 1190mm x 450mm - All Thicknesses
View details
Price
Price
From £44.33 GBP
From £12.89 GBP
Length
Length
1200mm
1190mm
Width
Width
450mm
450mm
Edge
Edge
Square
Tongue and groove
Fire rating
Fire rating
Euroclass F
Euroclass F
Compressive strength
Compressive strength
120 kPa
120 kPa
Thermal conductivity
Thermal conductivity
0.022 W/mK
0.021 W/m.K
Material type
Material type
Polyisocyanurate
Polyisocyanurate
Celotex

Celotex CW4000 - 1200mm x 450mm - All Thicknesses

From £44.33 GBP

Length

1200mm

Width

450mm

Edge

Square

Fire rating

Euroclass F

Compressive strength

120 kPa

Density

N/A

Thermal conductivity

0.022 W/mK

Material type

Polyisocyanurate
View product