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 and Size: 1200mm x 450mm - 3.24m2
  • Weight: 10.21kg
Our ratings on 19-06-2025:
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 and Size: 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, ..
    Get Best Price
    Brand: Celotex Model and Size: 1200mm x 450mm - 3.78m2
    Delivery Time: 1 - 5 working days
    65mm 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
    Brand: Celotex Model and Size: 1200x2400mm - 2.88m2
    Delivery Time: 2 - 3 working days
    72.5mm Celotex PL4060 is a high-performance thermal insulation board where the 60mm PIR insulation is bonded to 12.5mm tapered edge plasterboard. PL4000 is manufactured from rigid polyisocyanurate (PIR) using a blend of blowing agents that have zero ozone depletion potential (zero ODP) and low globa..
    £68.87
    £82.64 inc VAT
    Add to Cart
    Brand: Celotex Model and Size: 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..
    £29.50
    £35.40 inc VAT
    Add to Cart
    150mm Celotex Crown-Up Flat Roof Board - pack of 4 - pallet of 12 packs
    Guide Price
    Brand: Celotex Model and Size: 1200x600mm - 34.56m2
    Delivery Time: Pre-Order
    150mm Celotex Crown-Up is a brand new product for use in flat roof systems. Representing the next phase of Celotex innovation, Crown-Up is a high performance rigid polyisocyanurate (PIR) insulation which delivers increased dimensional stability and added robustness in a built-up flat roofing sy..
    Guide Price: £1,765.97
    £2,119.16 inc VAT
    Get Best Price
    Brand: Celotex Model and Size: 2400x1200mm - 2.88m2
    Delivery Time: 1-3 working days
    100mm Celotex GA4100 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 dep..
    £38.47
    £46.16 inc VAT
    Add to Cart
    115mm Celotex Thermaclass Cavity Wall 21 - Rigid PIR Full Fill Cavity Insulation Board (pack of 5)
    Guide Price
    Brand: Celotex Model and Size: 1190x450mm - 2.7m2
    Delivery Time: up to 7 days
    115mm Celotex Thermaclass Cavity Wall 21 is a high performance rigid PIR full fill cavity insulation board with low emissivity foil facings offering enhanced thermal performance (0.021 W/m.K) within cavity air spaces. It can be installed with up to a 10mm residual cavity or as a full fill solu..
    Guide Price: £106.25
    £127.50 inc VAT
    Get Best Price
    This product is listed in the following categories and systems (click to show).