85mm Celotex CW4085 - Rigid PIR Cavity Insulation Board (pack of 7) CW4000
Guide Price
85mm Celotex CW4085 - Rigid PIR Cavity Insulation Board (pack of 7) CW4000
Guide Price: £129.68 (£155.62 inc VAT)
Price per m2: £34.31/m2 (£41.17 inc VAT)
- Product Code: A1-166
- Delivery Time: 1 - 5 working days
- Brand: Celotex (Tech. support: 01473820850)
- Model: 1200mm x 450mm - 3.78m2
- Weight: 10.12kg
Our ratings on 27-10-2026:
4.8 out of 5
85mm Celotex CW4085 - Rigid PIR Cavity Insulation Board (pack of 7) CW4000
Width: 450mm
Length: 1200mm
Density: 31.5kg/m3
Weight/m2: 2.68kg
Weight: 10.12kg
Thermal Conductivity: 0.023W/mK
R-Value: 3.85m2K/W
Compressive Strength: 120kPa
85mm 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: 1200 x 450mm - 4.86m2 55mm
Delivery Time: Discontinued
55mm 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 pol..
Guide Price
Brand: Celotex
Model: 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..
Guide Price: £24.47
£29.36 inc VAT
Guide Price
Brand: Celotex
Model: 2400x1200mm - 2.88m2
Delivery Time: 1-3 working days
Celotex XR4150 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. XR4150 is also appropriate for use in floors and walls. With low emissivity foil facings, XR4150 is ma..
Guide Price: £74.68
£89.62 inc VAT
Guide Price
Brand: Celotex
Model: 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..
Guide Price: £46.18
£55.42 inc VAT
Guide Price
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..
Guide Price: £29.38
£35.26 inc VAT
Brand: Celotex
Model: 1200x2400 - 2.88m2
Delivery Time: Discontinued
Celotex PL4015 is a high performance thermal insulation board where the 15mm PIR insulation is bonded to 12.5mm tapered edge plasterboard. PL4015 is manufactured from rigid polyisocyanurate (PIR) using a blend of blowing agents that have zero ozone depletion potential (zero ODP) and low global warmi..