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Cavity and Internal Wall Insulation

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Stop letting the heat escape through your walls with our high quality selection of cavity and internal wall insulation products.
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Rockwool Sound Insulation Slab 1200 x 400 x 100mm (2.88m²)
Product Code: 773734

Rockwool Sound Insulation Slab 1200 x 400 x 100mm (2.88m²)

£33.54 Ex. VAT
£40.25 Inc. VAT
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Knauf Insulation Dritherm Cavity Slab 37 Standard
4.8 (5 reviews)
Product Code: 9000199446

Knauf Insulation Dritherm Cavity Slab 37 Standard

£19.55 Ex. VAT
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£23.46 Inc. VAT
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Rockwool Sound Insulation Slab 1200 x 600
Product Code: 9000255435

Rockwool Sound Insulation Slab 1200 x 600

£38.81 Ex. VAT
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£46.57 Inc. VAT
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Knauf Insulation Acoustic Part Roll
Product Code: 9000197591

Knauf Insulation Acoustic Part Roll

£37.75 Ex. VAT
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£45.30 Inc. VAT
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Knauf Insulation Dritherm Cavity Slab 32 Ultimate
5 (1 review)
Product Code: 9000200435

Knauf Insulation Dritherm Cavity Slab 32 Ultimate

£25.33 Ex. VAT
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£30.40 Inc. VAT
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Knauf Insulation Rock Building Slab RS45
Product Code: 9000197592

Knauf Insulation Rock Building Slab RS45

£30.83 Ex. VAT
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£37.00 Inc. VAT
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Rockwool Ablative Coated Batt 50mm x 1200mm x 600mm 0.72m2/ Pack
Product Code: 654815

Rockwool Ablative Coated Batt 50mm x 1200mm x 600mm 0.72m2/ Pack

£20.20 Ex. VAT
£24.24 Inc. VAT
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Knauf Insulation Frametherm Roll 35
5 (1 review)
Product Code: 9000197594

Knauf Insulation Frametherm Roll 35

£39.44 Ex. VAT
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£47.33 Inc. VAT
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Xtratherm Thermal Liner Dot and Dab Fix 2400 x 1200 x 37.5mm
Product Code: 473908

Xtratherm Thermal Liner Dot and Dab Fix 2400 x 1200 x 37.5mm

£53.12 Ex. VAT
£63.74 Inc. VAT
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Xtratherm Thermal Liner Dot and Dab Fix 2400 x 1200 x 62.5mm
Product Code: 473913

Xtratherm Thermal Liner Dot and Dab Fix 2400 x 1200 x 62.5mm

£19.52 Ex. VAT
£23.42 Inc. VAT
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Recticel Eurowall+ Insulation Board 1200mm x 460mm
Product Code: 9000195438

Recticel Eurowall+ Insulation Board 1200mm x 460mm

£19.76 Ex. VAT
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£23.71 Inc. VAT
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Showing 1—26 items of 26
Related products
Visqueen Polyethylene Damp Proof Course is a black, flexible 0.5mm damp proof course suitable for masonry wall constructions. It is supplied in 30m length rolls and the following widths: 100mm, 112.5mm, 150mm, 225mm, 300mm, 337.5mm, 450mm, 600mm, 900mm and 1200mm.
Range Description
Damp Proof Course
Brand Name
Visqueen
Manufacturer Model No
RS052159
Length
30 m
Thickness
0.70 mm
Width
112.50 mm
Weight
1.70 kg
Material
Polythene
Colour
Black
Coverage
3.375 m2
Pack Quantity
8
Certifications Met
CE Mark to EN 14909
Type
Damp Proof Course
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£52.42
per pack (Inc. VAT)
5 (3 reviews)
An expanded polystyrene insulation board ideal for floor and wall insulation, Kay-Metzeler EPS70 provide a long lasting thermal solution. The polystyrene board is easy to cut to any shape making it ideal to fit to any space. Please note, the product colour can vary and may not always be all white
Length
2400 mm
Thickness
100 mm
Width
1200 mm
Material
Polystyrene
Brand Name
Kay Metzeler
Manufacturer Model No
FS703
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£26.40
per sheet (Inc. VAT)
Recticel Eurothane® GP is a high performace PIR insulation board for multiple applications, which is light weight, easy to cut, handle and install. Whether it’s a pitched roof, framed wall or floor, Eurothane® GP is the ideal solution amongst contractors and installers
Length
2400 mm
Thickness
25 mm
Width
1200 mm
Material
PIR
Usage
Floors, Pitched Roofs, Internal Walls, Ceilings & Attics
Coverage
2.88 m2
Fire Retardant
Class 1
Thermal Conductivity
0.022 W/mK
Thermal Resistance R Value
1.1
Type
Insulation Boards
Made To Order
N
Country Origin
United Kingdom
Brand Name
RECTICEL
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£28.44
per sheet (Inc. VAT)
An A1 Non-Combustible Glass Mineral Wool roll, manufactured using Knauf Insulation's unique ECOSE® Technology, and designed specifically for use in cold lofts where pitched roofs are insulated at ceiling level.
Length
4300 mm
Thickness
170 mm
Width
1140 mm
Material
Glass Mineral Wool
Usage
Primarily used for the thermal insulation of pitched roofs at ceiling level, it can also be used to thermally insulate floors.
Coverage
4.9 m2
Fire Retardant
Y
Thermal Conductivity
0.044 W/mK
Type
Roll
Manufacturer Model No
244328
Brand Name
Knauf Insulation
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£22.00
per pack (Inc. VAT)
Visqueen Polyethylene Damp Proof Course (DPC) 112.5mm x 30m
Visqueen Polyethylene Damp Proof Course (DPC) 112.5mm x 30m
Visqueen Polyethylene Damp Proof Course is a black, flexible 0.5mm damp proof course suitable for masonry wall constructions. It is supplied in 30m length rolls and the following widths: 100mm, 112.5mm, 150mm, 225mm, 300mm, 337.5mm, 450mm, 600mm, 900mm and 1200mm.
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£52.42 per pack (Inc. VAT)
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Kay-Metzeler EPS70 Expanded Polystyrene Insulation Board 2400mm x 1200mm x 100mm
Kay-Metzeler EPS70 Expanded Polystyrene Insulation Board 2400mm x 1200mm x 100mm
An expanded polystyrene insulation board ideal for floor and wall insulation, Kay-Metzeler EPS70 provide a long lasting thermal solution. The polystyrene board is easy to cut to any shape making it ideal to fit to any space. Please note, the product colour can vary and may not always be all white
Show More
£26.40 per sheet (Inc. VAT)
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Recticel Eurothane Gp Insulation Board 2400 x 1200 x 25mm
Recticel Eurothane Gp Insulation Board 2400 x 1200 x 25mm
Recticel Eurothane® GP is a high performace PIR insulation board for multiple applications, which is light weight, easy to cut, handle and install. Whether it’s a pitched roof, framed wall or floor, Eurothane® GP is the ideal solution amongst contractors and installers
Show More
£28.44 per sheet (Inc. VAT)
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Knauf Insulation Earthwool Combi-Cut Loft Floor Insulation Roll 44 170mm (4.90m²/Roll)
Knauf Insulation Earthwool Combi-Cut Loft Floor Insulation Roll 44 170mm (4.90m²/Roll)
An A1 Non-Combustible Glass Mineral Wool roll, manufactured using Knauf Insulation's unique ECOSE® Technology, and designed specifically for use in cold lofts where pitched roofs are insulated at ceiling level.
Show More
£22.00 per pack (Inc. VAT)
Quick view