Menu
Menu
Your Cart

75mm Celotex CW4075 - Rigid PIR Cavity Insulation Board (pack of 8) CW4000

75mm Celotex CW4075 - Rigid PIR Cavity Insulation Board (pack of 8) CW4000
75mm Celotex CW4075 - Rigid PIR Cavity Insulation Board (pack of 8) CW4000
Price: £63.59 (£76.31 inc VAT)
Price per m2: £14.72/m2 (£17.66 inc VAT)
5 or more £62.55 (£75.06 inc VAT)
10 or more £61.51 (£73.81 inc VAT)
20 or more £59.94 (£71.93 inc VAT)
  • Product Code: A1-164
  • Delivery Time: 1 - 5 working days
  • Brand: Celotex
  • (Tech. support: 01473820850)
  • Model and Size: 1200mm x 450mm - 4.32m2
  • Weight: 10.20kg
Our ratings on 08-08-2025:
Google My Business Reviews
4.8 out of 5
Show other thicknesses

75mm Celotex CW4075 - Rigid PIR Cavity Insulation Board (pack of 8) CW4000

Width: 450mm
Length: 1200mm
Pack Coverage: 4.32m2
Density: 31.5kg/m3
Weight/m2: 2.36kg
Weight: 10.2kg
Thermal Conductivity: 0.023W/mK
R-Value: 3.4m2K/W
Compressive Strength: 120kPa

75mm Celotex CW4000 is an insulation board aimed specifically at partial fill cavity wall applications. It comprises a polyisocyanurate rigid foam insulation core, with a thermal conductivity of 0.022 W/mK and low emissivity aluminium foil facings on both sides. CW4000 is manufactured from rigid polyisocyanurate (PIR) using a blend of blowing agents that have zero ozone depletion potential (zero ODP) and low global warming potential (GWP).

Note: Would be known as CW3000 from January 2018.

APPLICATION

Celotex CW4000 is specifically for use in partial-fill cavity wall applications.


CHARACTERISTICS
  • Is easy to fit between wall ties using cavity tie clips for retention
  • Comes in thicknesses ranging from 25mm-100mm
  • Comes in conveniently sized boards for installation between cavity wall ties
  • Includes low emissivity foil facings giving improved thermal insulation performance within cavity air spaces
  • Has excellent dimensional stability
  • Provides reliable long term energy savings for buildings
CERTIFICATION
  • The insulation component of Celotex CW4000 is A+ rated when compared to the BRE Green Guide 2008
  • Celotex CW4000 is CFC/HCFC free with zero ozone depletion potential (ODP) and low global warming potential (GWP)
  • Celotex CW4000 received CE marking compliance to BS EN 13165:2001
  • The board is manufactured in accordance with quality management systems with BS EN ISO 9001:2000 by Celotex Limited
    Brand: Celotex Model and Size: 450x1200mm - 51.84m2
    Delivery Time: 3 - 5 days
    Celotex CG5100 is especially designed for partial fill cavity wall insulation, offering great thermal performance due to substantial R and U values, with decreased board thickness and lower emissivity values due to the aluminum foil facings on both sides of the PIR core. This set of products pr..
    Get Best Price
    Brand: Celotex Model and Size: 1200x2400 - 34.56m2
    Delivery Time: 3 - 5 days
    100mm Celotex TA4000 PIR Insulation Board (pack of 12) Size: 1200mm x 2400mm Area per pack: 34.56m2 Thermal conductivity: 0.022 W/Mk R-Value: 4.50m2K/W Compressive strength: ≥150kPa Water vapour resistance: >150 MNs/g Weight: 3.41kg/m2   Celotex TA4000 pro..
    Get Best Price
    Brand: Celotex Model and Size: 1200x2400mm - 69.12m2
    Delivery Time: Out Of Stock
    100mm Celotex FI5000 is a premium flooring insulation board with enhanced thermal performance as well as an A rating when compared to the BRE Green Guide and an innovative cement compatible composite facer with a built-in vapour control layer (VCL), enabling direct screed, without the need for an ad..
    Get Best Price
    Brand: Celotex Model and Size: 1200 x 600 - 2.16m2
    Delivery Time: 3 - 5 days
    150mm Celotex TC3000 Flat Roof Board - Torch on (pack of 3)Size: 1200mm x 600mmArea per pack: 2.16m2Thermal conductivity: 0.025 W/MkR-Value: 6.00m2K/WCompressive strength: 150kPaWeight: 5.60kg/m2 Celotex TC3000 provides a quick and easy method of achieving effective thermal insul..
    Get Best Price
    Brand: Celotex Model and Size: 1200x2400mm - 2.88m2
    Delivery Time: 1-3 working days
    Celotex TB4030 is targeted at cut-to-fit applications between rafters or joists and enables users to achieve lower U-values with a single layer of insulation than has previously been possible. TB4012 is also appropriate for use in floors and walls. With low emissivity foil facings, TB4012 is manufac..
    £19.42
    £23.30 inc VAT
    Add to Cart
    Brand: Celotex Model and Size: 1200 x 600 - 2.88m2
    Delivery Time: 3 - 5 days
    120mm Celotex TC3000 Flat Roof Board - Torch on (pack of 4)Size: 1200mm x 600mmArea per pack: 2.88m2Thermal conductivity: 0.025 W/MkR-Value: 4.80m2K/WCompressive strength: 150kPaWeight: 4.64kg/m2 Celotex TC3000 provides a quick and easy method of achieving effective thermal insul..
    Get Best Price
    This product is listed in the following categories and systems (click to show).