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 08-05-2025:
4.7 out of 5 - Excellent
4.8 out of 5
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
Guide Price
Brand: Unilin (prev. Xtratherm)
Model and Size: 2400mm x 1200mm - 2.88m2
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..
Guide Price: £22.40
£26.88 inc VAT
Brand: Iko
Model and Size: 1200mm x 2400mm - 28.80m2
Delivery Time: 2 - 3 working days
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..
Celotex-CW4000-Product-Datasheet.pdf
Brand: Celotex
Model and Size: 1190x450mm - 3.24m2
Delivery Time: 2 - 4 days
90mm 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 solut..
£99.30
£119.16 inc VAT
Guide Price
Brand: Celotex
Model and Size: Celotex GS5025 - 74.88m2
Delivery Time: 1 - 5 working days
Celotex GS5025 is a premium performance PIR insulation board faced with low emissivity aluminum foils on both sides and bonded to 9.5 mm tapered edge plasterboard, providing an insulation product and a plasterboard in one. The product is designed for mechanically fixed applicatio..
Guide Price: £2,079.99
£2,495.99 inc VAT
Brand: Celotex
Model and Size: 2400x1200mm - 2.88m2
Delivery Time: 1-3 working days
50mm Celotex GA4050 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 depl..
£21.93
£26.32 inc VAT
Brand: Celotex
Model and Size: TD4000- 2400 x 1200
Delivery Time: 1 - 5 working days
Celotex TD4000 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 bonded to a layer of 5.5mm WBP exterior grade plywood.APPLICATIONCelotex TD4000 is purpose designed for use in light traffic..
Brand: Celotex
Model and Size: 1200mm x 450mm - 10.8m
Delivery Time: 1 - 5 working days
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 rigi..
Brand: Celotex
Model and Size: EL3000 1200x600 - 2.16m2
Delivery Time: 3 - 5 days
Celotex EL3000 provides a quick and easy method of achieving effective thermal insulation in flat roofing structures. With coated glass tissue facings, EL3000 is manufactured from rigid Polyisocyanurate (PIR) using a blend of blowing agents that have zero ozone depletion potential (zero ODP) and a l..
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