25mm Celotex CW4000 Rigid PIR Cavity Insulation Board (pack of 20)
25mm Celotex CW4000 Rigid PIR Cavity Insulation Board (pack of 20)
- Product Code: A1-157
- Delivery Time: 1 - 5 working days
- Brand: Celotex (Tech. support: 01473820850)
- Model and Size: 1200mm x 450mm - 10.8m
- Weight: 8.64kg
Product discontinued.
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Our ratings on 27-06-2025:
4.8 out of 5
25mm Celotex CW4000 Rigid PIR Cavity Insulation Board (pack of 20)
Width: 450mm
Length: 1200mm
Pack Quantity: 20
Pack Coverage: 10.8m2
Density: 31.5kg/m3
Weight/m2: 0.8kg
Weight: 8.64kg
Thermal Conductivity: 0.023W/mK
R-Value: 1.1m2K/W
Compressive Strength: 120kPa
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 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
Celotex-CW4000-Product-Datasheet.pdf
Guide Price
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Delivery Time: 1 - 5 working days
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Guide Price
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Delivery Time: 1 - 5 working days
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Model and Size: 1200x2400mm - 69.12m2
Delivery Time: Out Of Stock
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Delivery Time: 1 - 5 working days
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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
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Thermal conductivity: 0.022 W/Mk
R-Value: 4.05m2K/W
Compressive strength: ≥150kPa
Water vapour resistance: >150 MNs/g
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