Menu
Menu
Your Cart

100mm Celotex CW4100 - Rigid PIR Cavity Insulation Board (pack of 6) CW4000

100mm Celotex CW4100 - Rigid PIR Cavity Insulation Board (pack of 6) CW4000
100mm Celotex CW4100 - Rigid PIR Cavity Insulation Board (pack of 6) CW4000
Price: £62.02 (£74.42 inc VAT)
Price per m2: £19.14/m2 (£22.97 inc VAT)
5 or more £60.98 (£73.18 inc VAT)
10 or more £59.97 (£71.96 inc VAT)
20 or more £58.45 (£70.14 inc VAT)
  • Product Code: A1-168
  • Delivery Time: 2 - 3 working days
  • Brand: Celotex
  • (Tech. support: 01473820850)
  • Model: 1200mm x 450mm - 3.24m2
  • Weight: 10.21kg
Our ratings on 05-01-2026:
Google My Business Reviews
4.8 out of 5
Show other thicknesses

100mm Celotex CW4100 - Rigid PIR Cavity Insulation Board (pack of 6) CW4000

Width: 450mm
Length: 1200mm
Pack Coverage: 3.24m2
Density: 31.5kg/m3
Weight/m2: 3.15kg
Weight: 10.21kg
Thermal Conductivity: 0.022W/mK
R-Value: 4.5m2K/W
Compressive Strength: 120kPa

100mm 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).

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: Iko Model: 1200mm x 2400mm - 14.40m2
    Delivery Time: 2 - 3 working days
    100mm IKO Enertherm ALU PIR Rigid Insulation Board is a versatile insulation board with a rigid polyisocyanurate (PIR) foam core, clad on both sides with reflective aluminium. The seven-layer gas-tight aluminium lamination enhances resistance to fire and water ingress. It’s made without CFC, HCFC, ..
    Brand: Celotex Model: 1200mm x 450mm - 2.70m2
    Delivery Time: 1 - 5 working days
    90mm 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..
    Brand: Celotex Model: 1200mm x 450mm - 10.8m
    Delivery Time: 1 - 5 working days
    25mm 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..
    Brand: Celotex Model: 2400x1200mm - 2.88m2
    Delivery Time: 1-3 working days
    60mm Celotex GA4060 is a multi-purpose insulation board that provides a solution to overcome localized thermal bridges. Featuring a low emissivity foil facings, this board has been manufactured from tough polyisocyanurate (PIR) using a perfect mix of certain blowing agents which have zero ozone depl..
    £19.42
    £23.30 inc VAT
    Brand: Celotex Model: 1200x2400mm - 2.88m2
    Delivery Time: 1-3 working days
    Celotex TB4025 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..
    £10.25
    £12.30 inc VAT
    Brand: Celotex Model: 1200x2400mm - 2.88m2
    Delivery Time: 1-3 working days
    Celotex TB4040 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..
    £14.59
    £17.51 inc VAT
    Brand: Celotex Model: 1200mm x 450mm - 4.32m2
    Delivery Time: 1 - 5 working days
    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 rigi..
    £63.59
    £76.31 inc VAT
    This product is listed in the following categories and systems (click to show).