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50mm Celotex CW4050 - Rigid PIR Cavity Insulation Board (pack of 11) CW4000

50mm Celotex CW4050 - Rigid PIR Cavity Insulation Board (pack of 11) CW4000
50mm Celotex CW4050 - Rigid PIR Cavity Insulation Board (pack of 11) CW4000
Price: £65.48 (£78.58 inc VAT)
Price per m2: £11.02/m2 (£13.23 inc VAT)
10 or more £64.41 (£77.29 inc VAT)
15 or more £63.35 (£76.02 inc VAT)
20 or more £61.72 (£74.06 inc VAT)
  • Product Code: A1-159
  • Delivery Time: 1 - 5 working days
  • Brand: Celotex
  • (Tech. support: 01473820850)
  • Model and Size: 1200mm x 450mm - 5.94m2
  • Weight: 9.36kg
Our ratings on 21-05-2025:
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4.8 out of 5
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50mm Celotex CW4050 - Rigid PIR Cavity Insulation Board (pack of 11) CW4000

Width: 450mm
Length: 1200mm
Density: 31.5kg/m3
Weight/m2: 1.58kg
Weight: 9.36kg
Thermal Conductivity: 0.023W/mK
R-Value: 2.25m2K/W
Compressive Strength: 120kPa

50mm 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
50mm Unilin XT/PR-UF PIR Rigid Insulation Board - 1200mm x 2400mm 50mm Unilin XT/PR-UF PIR Rigid Insulation Board - 1200mm x 2400mm
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Delivery Time: 1-3 working days
50mm 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..
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Brand: Iko Model and Size: 1200mm x 2400mm - 28.80m2
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50mm 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, o..
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Brand: Celotex Model and Size: 2400x1200mm - 2.88m2
Delivery Time: 1-3 working days
Celotex XR4120 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. XR4120 is also appropriate for use in floors and walls. With low emissivity foil facings, XR4120 is ma..
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85mm Celotex CW4085 - Rigid PIR Cavity Insulation Board (pack of 7) CW4000
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Brand: Celotex Model and Size: 1200mm x 450mm - 3.78m2
Delivery Time: 1 - 5 working days
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 rigi..
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Brand: Celotex Model and Size: 1200x2400mm -17.28m2
Delivery Time: 5 - 7 days
Celotex XR4200 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. XR4200 is also appropriate for use in floors and walls. With low emissivity foil facings, XR4200 is ma..
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Brand: Celotex Model and Size: 1200x2400mm - 2.88m2
Delivery Time: 1-3 working days
Celotex TB4025 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..
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Brand: Celotex Model and Size: 1200x2400 - 2.88m2
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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..
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100mm Celotex FI5000 is a premium flooring insulation board with enhanced thermal performance as well as an A rating when compared to the BRE Green Guide and an innovative cement compatible composite facer with a built-in vapour control layer (VCL), enabling direct screed, without the need for an ad..
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