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Make your home warmer for longer with our extensive and professional range of insulation. From loft and roof insulation to cavity wall and pipe insulation, rest assured that we can provide heat protection to every inch of your home. Insulation is an integral aspect of contemporary building and construction. Ensuring a property has insulation will provide heating efficiency in colder months, while maintaining cooler temperatures when it's warmer. To insulate a home or commercial property, we have a range of energy-saving solutions for you. We have a choice of PIR (polyisocyanurate), rigid insulation board for wall and floor insulation. You can also choose from our range of effective cavity wall insulation, which doesn't just help to reduce heating bills, but can keep noise levels from neighbours and traffic down, with specially made acoustic insulation. To really keep energy bills low, we have loft insulation in the form of boards and rolls, available in a range of sizes, thicknesses and materials. Reduce heat loss with energy saving insulation, and accessories for fitting and installing, available to order now.

Related products

Celotex CW4000 is a high performance insulation board featuring low emissivity foil facings, and offers enhanced thermal performance as cavity wall insulation when compared to typical PIR products. Celotex CW4000’s enhanced features deliver thinner solutions that meet target U-values as required by Building Regulations including Part L and BREEAM.
Range Description
Insulation Board
Brand Name
Celotex
Manufacturer Model No
CW4060
Dimension 3
60.0
Dimension 2
450.0
Dimension 1
1200.0
Length
1200 mm
Thickness
60 mm
Width
450 mm
Material
PIR
Usage
Cavity Board
Coverage
5.4 m2
Fire Retardant
Y
Thermal Conductivity
0.022 W/mK
Certifications Met
Bba Certificate Number 94/3080
Type
Insulation Boards
£21.25
per sheet (Inc. VAT)
+
60 mm
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This TB4000 PIR insulation board by Celotex is ideal for overcoming thermal bridging. This board is a thin 20mm high-performance board suitable for use in a number of applications including roof, wall and floor systems.
Brand Name
Celotex
Range Description
Insulation Board
Manufacturer Model No
TB4020
Made To Order
N
Dimension 3
20.0
Dimension 1
2400.0
Dimension 2
1200.0
Length
2400 mm
Thickness
20 mm
Width
1200 mm
Material
PIR
Usage
Suspended Floor, Solid Floor, Partition Wall, Roof
Coverage
57.6 m2
Fire Retardant
Y
Thermal Conductivity
0.022 W/mK
Type
Insulation Boards
£37.22
per sheet (Inc. VAT)
+
20 mm
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This multi-purpose insulation board is suitable for a number of applications including roof, wall and floor systems. Featuring foil facings, this board is manufactured from tough polyisocyanurate, with an ideal mix of blowing agents acquiring zero ozone depletion potential and a low global warming impact.
Range Description
Insulation Board
Brand Name
Celotex
Made To Order
N
Length
2400 mm
Thickness
165 mm
Width
1200 mm
Material
PIR
Usage
Suspended Floor, Solid Floor, Partition Wall, Roof
Coverage
20.16 m2
Fire Retardant
N
Thermal Conductivity
0.022 W/mK
Type
Insulation Boards
£296.28
per sheet (Inc. VAT)
+
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Partial fill cavity wall PIR insulation. Fibre free rigid insulation core with aluminium foil composite to both sides. The boards are conveniently sized to co-ordinate with brick and block dimensions and allow the insertion of wall ties at the appropriate spacing.
Manufacturer Model No
CAV50
Brand Name
Ecotherm
Length
1200 mm
Thickness
50 mm
Width
450 mm
Material
Rigid polyisocyanurate PIR foam core with aluminium foil composite to both sides
Usage
New build and upgrading thermal performance of existing cavity walls
Fire Retardant
Y
Thermal Conductivity
0.022 W/mK
Type
Wall Insulation
£10.10
per sheet (Inc. VAT)
+
50 mm
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Celotex CW4060 Cavity Insulation Wall Board 60mm x 450mm x 1200mm (0.54m²/Sheet)
Celotex CW4060 Cavity Insulation Wall Board 60mm x 450mm x 1200mm (0.54m²/Sheet)
Celotex CW4000 is a high performance insulation board featuring low emissivity foil facings, and offers enhanced thermal performance as cavity wall insulation when compared to typical PIR products. Celotex CW4000’s enhanced features deliver thinner solutions that meet target U-values as required by Building Regulations including Part L and BREEAM.
£21.25 per sheet (Inc. VAT)
Celotex TB4020 General Application Insulation Board 20mm x 1200mm x 2400mm (2.88m²/Sheet)
Celotex TB4020 General Application Insulation Board 20mm x 1200mm x 2400mm (2.88m²/Sheet)
This TB4000 PIR insulation board by Celotex is ideal for overcoming thermal bridging. This board is a thin 20mm high-performance board suitable for use in a number of applications including roof, wall and floor systems.
£37.22 per sheet (Inc. VAT)
Celotex XR4150 General Application Insulation Board 150mm x 1200mm x 2400mm (2.88m²/Sheet)
Celotex XR4150 General Application Insulation Board 150mm x 1200mm x 2400mm (2.88m²/Sheet)
This multi-purpose insulation board is suitable for a number of applications including roof, wall and floor systems. Featuring foil facings, this board is manufactured from tough polyisocyanurate, with an ideal mix of blowing agents acquiring zero ozone depletion potential and a low global warming impact.
£296.28 per sheet (Inc. VAT)
Ecotherm Eco-cavity 1200 x 450 x 50mm Cavity Wall Insulation CAV50
Ecotherm Eco-cavity 1200 x 450 x 50mm Cavity Wall Insulation CAV50
Partial fill cavity wall PIR insulation. Fibre free rigid insulation core with aluminium foil composite to both sides. The boards are conveniently sized to co-ordinate with brick and block dimensions and allow the insertion of wall ties at the appropriate spacing.
£10.10 per sheet (Inc. VAT)