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 06-05-2025:
TrustPilot Review 4.7
4.7 out of 5 - Excellent
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
    25mm Celotex GS5025 PIR Insulation Board with 9.5mm Plasterboard (pack of 26)
    Guide Price
    Brand: Celotex Model and Size: Celotex GS5025 - 74.88m2
    Delivery Time: 1 - 5 working days
    Celotex GS5025 is a premium performance PIR insulation board faced with low emissivity aluminum foils on both sides and bonded to 9.5 mm tapered edge plasterboard, providing an insulation product and a plasterboard in one. The product is designed for mechanically fixed applicatio..
    Guide Price: £2,079.99
    £2,495.99 inc VAT
    Get Best Price
    Brand: Celotex Model and Size: FF4000 1200x2400 - 92.16m2
    Delivery Time: 3 - 5 days
    75mm Celotex FF4000 Underfloor Heating Board (pack of 16) Size: 1200mm x 2400mm Area per pack: 46.08m2 Thermal conductivity: 0.022 W/Mk R-Value: 3.40m2K/W Compressive strength: ≥150kPa Water vapour resistance: >150 MNs/g Weight: 2.61kg/m2   ..
    Get Best Price
    Brand: Celotex Model and Size: 450x1200mm - 60.48m2
    Delivery Time: 3 - 5 days
    Celotex CG5085 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: TD4000- 2400 x 1200
    Delivery Time: 1 - 5 working days
    Celotex TD4000 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 bonded to a layer of 5.5mm WBP exterior grade plywood.APPLICATION Celotex TD4000 is purpose designed for use in light traffic ..
    Get Best Price
    Brand: Celotex Model and Size: EL3000 1200x600 - 2.16m2
    Delivery Time: 3 - 5 days
    Celotex EL3000 provides a quick and easy method of achieving effective thermal insulation in flat roofing structures. With coated glass tissue facings, EL3000 is manufactured from rigid Polyisocyanurate (PIR) using a blend of blowing agents that have zero ozone depletion potential (zero ODP) and a l..
    Get Best Price
    Brand: Celotex Model and Size: 1200x450mm - 3.78m2
    Delivery Time: 1 - 5 working days
    70mm 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 rigi..
    Get Best Price
    This product is listed in the following categories and systems (click to show).