Menu
Menu
Your Cart

40mm Celotex CW4040 - Rigid PIR Cavity Insulation Board (pack of 14) CW4000

40mm Celotex CW4040 - Rigid PIR Cavity Insulation Board (pack of 14) CW4000
Guide Price
40mm Celotex CW4040 - Rigid PIR Cavity Insulation Board (pack of 14) CW4000
Guide Price: £70.53 (£84.64 inc VAT)
Price per m2: £9.33/m2 (£11.20 inc VAT)
  • Product Code: A1-158
  • Delivery Time: 1 - 5 working days
  • Brand: Celotex
  • (Tech. support: 01473820850)
  • Model and Size: 1200mm x 450mm - 7.56m2
  • Weight: 9.52kg
Our ratings on 25-04-2025:
TrustPilot Review 4.7
4.7 out of 5 - Excellent
Google My Business Reviews
4.8 out of 5
Show other thicknesses

40mm Celotex CW4040 - Rigid PIR Cavity Insulation Board (pack of 14) CW4000

Width: 450mm
Length: 1200mm
Pack Coverage: 7.56m2
Density: 31.5kg/m3
Weight/m2: 1.26kg
Weight: 9.52kg
Thermal Conductivity: 0.023W/mK
R-Value: 1.8m2K/W
Compressive Strength: 120kPa

40mm 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
40mm Unilin XT/PR-UF PIR Rigid Insulation Board - 1200mm x 2400mm 40mm Unilin XT/PR-UF PIR Rigid Insulation Board - 1200mm x 2400mm
Guide Price
Brand: Unilin (prev. Xtratherm) Model and Size: 2400mm x 1200mm - 2.88m2
Delivery Time: 1-3 working days
40mm Unilin Thin-r XT/PR-UF has a core of polyisocyanurate (PIR) bonded to low emissivity textured aluminium foil facings. Unilin XT/PR-UF board offers excellent insulation performance with excellent thermal conductivity. Unilin XT/PR-UF is CFC & HCFC free and is manufactured under the high..
Guide Price: £20.83
£25.00 inc VAT
Get Best Price
140mm Celotex Thermaclass Cavity Wall 21 - Rigid PIR Full Fill Cavity Insulation Board (pack of 4)
Guide Price
Brand: Celotex Model and Size: 1190x450mm - 2.16m2
Delivery Time: up to 7 days
140mm 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: £112.76
£135.31 inc VAT
Get Best Price
77.5mm Celotex PL4065 - 65mm PIR  Insulation Bonded to 12.5mm Plasterboard (PL4000) 77.5mm Celotex PL4065 - 65mm PIR  Insulation Bonded to 12.5mm Plasterboard (PL4000)
Guide Price
Brand: Celotex Model and Size: 1200x2400mm - 2.88m2
Delivery Time: 1 - 5 working days
77.5mm Celotex PL4065 is a high performance thermal insulation board where the 65mm 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..
Guide Price: £81.40
£97.68 inc VAT
Get Best Price
Brand: Celotex Model and Size: 1200x600mm - 95.04m2
Delivery Time: Out Of Stock
50mm Celotex Crown-Bond is a brand new product for use in flat roof systems. Representing the next phase of Celotex innovation, Crown-Bond is a high performance rigid polyisocyanurate (PIR) insulation which delivers cutting edge thinness, increased dimensional stability and added robustness in a bon..
Get Best Price
120mm Celotex Crown-Bond Flat Roof Board (pack of 5) -pallet of 12 packs
Guide Price
Brand: Celotex Model and Size: 1200x600mm - 43.2m2
Delivery Time: Out Of Stock
120mm Celotex Crown-Bond is a brand new product for use in flat roof systems. Representing the next phase of Celotex innovation, Crown-Bond is a high performance rigid polyisocyanurate (PIR) insulation which delivers cutting edge thinness, increased dimensional stability and added robustness in..
Guide Price: £1,857.85
£2,229.42 inc VAT
Get Best Price
Brand: Celotex Model and Size: 1200x2400mm - 2.88m2
Delivery Time: 2 - 3 working days
62.5mm Celotex PL4050 is a high-performance thermal insulation board with 50mm PIR insulation bonded to 12.5mm tapered edge plasterboard. It is made from rigid polyisocyanurate (PIR) using blowing agents that have zero ozone depletion potential (zero ODP) and low global warming potential (GWP). N..
£66.08
£79.30 inc VAT
Add to Cart
Brand: Celotex Model and Size: FF4000 1200x2400 - 69.12m2
Delivery Time: 3 - 5 days
50mm Celotex FF4000 Underfloor Heating Board (pack of 24) Size: 1200mm x 2400mm Area per pack: 69.12m2 Thermal conductivity: 0.022 W/Mk R-Value: 2.25m2K/W Compressive strength: ≥150kPa Water vapour resistance: >150 MNs/g Weight: 1.81kg/m2   Celotex FF..
Get Best Price

Related Products

Brand: ZVM Delivery Time: 999
Delivery Time: 1 - 2 days
50mm Aluminium Self Adhesive Tape is a high performance sealant tape for foli faced insulation. Adhesive/sealant applied to one side of an aluminised ..
£5.59
£6.71 inc VAT
Add to Cart
This product is listed in the following categories and systems (click to show).