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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.

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5 (1 review)
An A1 Non-Combustible Glass Mineral Wool slab, manufactured using Knauf Insulation's unique ECOSE® Technology, and is specifically designed for use as full fill insulation in masonry cavity walls. It has very high levels of thermal resistance allowing compliance with the relevant Building Regulations.
Brand Name
Knauf Insulation
Range Description
Glass DriTherm Cavity Slab
Length
1200 mm
Thickness
100 mm
Width
455 mm
Material
Glass Mineral Wool
Acoustic
Yes
Fire Retardant
Y
Thermal Conductivity
0.032 W/mK
Usage
For thermal insulation in residential and non-residential masonry cavity external walls
Coverage
3.28 m2
Pack Quantity
6 Slabs
Type
Cavity Slab
£38.78
per pack (Inc. VAT)
+
100 mm
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Used To Create A Weathertight Verge By Applying From Eaves To Ridge To Support A Bed Of Mortar, Sealing The Gap And Protecting Batten Ends From Rain Saturation. Available In 120mm And 2400mm Lengths.
Range Description
Roofing
Brand Name
Easy Trim
Country Origin
Uk
Made To Order
N
Manufacturer Model No
Cloakboard
Length
1220 mm
Width
150 mm
Colour
Grey
Type
Cloak Board
£3.32
each (Inc. VAT)
+
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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
CW4000
Dimension 3
100.0
Dimension 2
450.0
Dimension 1
1200.0
Length
1200 mm
Thickness
100 mm
Width
450 mm
Material
PIR
Usage
Cavity Board
Coverage
3.24 m2
Fire Retardant
N
Thermal Conductivity
0.022 W/mK
Certifications Met
Bba Certificate Number 94/3080
Type
Insulation Boards
£29.30
per sheet (Inc. VAT)
+
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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
Manufacturer Model No
XR4000
Made To Order
N
Length
2400 mm
Thickness
130 mm
Width
1200 mm
Material
PIR
Usage
Suspended Floor, Solid Floor, Partition Wall, Roof
Coverage
25.92 m2
Fire Retardant
N
Thermal Conductivity
0.022 W/mK
Type
Insulation Boards
£181.38
per sheet (Inc. VAT)
+
130 mm
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Knauf Insulation DriTherm 32 Cavity Insulation Slab 100mm 1200mm x 455mm
Knauf Insulation DriTherm 32 Cavity Insulation Slab 100mm 1200mm x 455mm
An A1 Non-Combustible Glass Mineral Wool slab, manufactured using Knauf Insulation's unique ECOSE® Technology, and is specifically designed for use as full fill insulation in masonry cavity walls. It has very high levels of thermal resistance allowing compliance with the relevant Building Regulations.
£38.78 per pack (Inc. VAT)
Easy Trim Cloak Board 3.2mm X 1200mm X 150mm
Easy Trim Cloak Board 3.2mm X 1200mm X 150mm
Used To Create A Weathertight Verge By Applying From Eaves To Ridge To Support A Bed Of Mortar, Sealing The Gap And Protecting Batten Ends From Rain Saturation. Available In 120mm And 2400mm Lengths.
£3.32 each (Inc. VAT)
Celotex CW4100 Cavity Insulation Board 100mm x 450mm x 1200mm (0.54m²/Sheet)
Celotex CW4100 Cavity Insulation Board 100mm 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.
£29.30 per sheet (Inc. VAT)
Celotex XR4130 General Application Insulation Board 130mm x 1200mm x 2400mm (2.88m²/Sheet)
Celotex XR4130 General Application Insulation Board 130mm 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.
£181.38 per sheet (Inc. VAT)