100mm Celotex CW4100 - Rigid PIR Cavity Insulation Board (pack of 6) CW4000
Guide Price
100mm Celotex CW4100 - Rigid PIR Cavity Insulation Board (pack of 6) CW4000
Guide Price: £68.22 (£81.86 inc VAT)
Price per m2: £21.06/m2 (£25.27 inc VAT)
5 or more £67.08 (£80.50 inc VAT)
10 or more £65.97 (£79.16 inc VAT)
20 or more £64.30 (£77.16 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 21-10-2026:
4.8 out of 5
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
Celotex-CW4000-Product-Datasheet.pdf
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