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Wall Insulation

Buy wall insulation rolls, boards & slabs for internal & external wall insulation including cavity insulation. Find the right R-Value for optimal temperatures.

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Results  1 - 20 of 36 

Celotex General Purpose Insulation Board 2400 x 1200 x 25mm

Celotex General Purpose Insulation Board 2400 x 1200 x 25mm CXTB4025

SKU: CXTB4025

£ 37 .64  inc VAT  per sheet
£13.07 per square metre
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Celotex General Purpose Insulation Board 2400 x 1200 x 100mm

Celotex General Purpose Insulation Board 2400 x 1200 x 100mm CXGA4100

SKU: CXGA4100

£ 74 .35  inc VAT  per sheet
£25.82 per square metre
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Isover Cavity Wall Slab 36, 1200 x 455 x 100mm

Isover Cavity Wall Slab 36, 1200 x 455 x 100mm IWCWS100

SKU: IWCWS100

£ 80 .65  inc VAT  Pack
£12.31 per square metre
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Recticel Eurothane GP Insulation Board 2400 x 1200 x 50mm

Recticel Eurothane GP Insulation Board 2400 x 1200 x 50mm IRESR050

SKU: IRESR050

£ 51 .38  inc VAT  per sheet
£17.84 per square metre
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Recticel Eurothane GP Insulation Board 2400 x 1200 x 25mm

Recticel Eurothane GP Insulation Board 2400 x 1200 x 25mm IRESR025

SKU: IRESR025

£ 37 .64  inc VAT  per sheet
£13.07 per square metre
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Rockwool Sound Insulation Slab 1200 x 600 x 50mm

Rockwool Sound Insulation Slab 1200 x 600 x 50mm RW180885

SKU: RW180885

£ 71 .15  inc VAT  Pack
£8.23 per square metre
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Recticel Eurothane GP Insulation Board 2400 x 1200 x 100mm

Recticel Eurothane GP Insulation Board 2400 x 1200 x 100mm IRESR100

SKU: IRESR100

£ 74 .35  inc VAT  per sheet
£25.82 per square metre
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Rockwool Sound Insulation Slab 1200 x 600 x 100mm

Rockwool Sound Insulation Slab 1200 x 600 x 100mm RW180889

SKU: RW180889

£ 75 .04  inc VAT  Pack
£17.37 per square metre
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Recticel Eurowall Cavity Board 1200 x 450 x 50mm

Recticel Eurowall Cavity Board 1200 x 450 x 50mm IREWC050

SKU: IREWC050

£ 15 .11  inc VAT  per sheet
£27.98 per square metre
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Isover Cavity Wall Slab 36, 1200 x 455 x 75mm

Isover Cavity Wall Slab 36, 1200 x 455 x 75mm IWCWS075

SKU: IWCWS075

£ 77 .47  inc VAT  Pack
£8.86 per square metre
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Celotex General Purpose Insulation Board 2400 x 1200 x 50mm

Celotex General Purpose Insulation Board 2400 x 1200 x 50mm CXGA4050

SKU: CXGA4050

£ 51 .38  inc VAT  per sheet
£17.84 per square metre
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Rockwool RWA45 Acoustic Insulation Slab 1200 x 600 x 100mm Pack of 4

Rockwool RWA45 Acoustic Insulation Slab 1200 x 600 x 100mm Pack of 4 RWA45100

SKU: RWA45100

£ 89 .10  inc VAT  Pack
£30.94 per square metre
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YBS Easi-Close Silver Cavity Closer 50mm -> 100mm 2.4 Metre

YBS Easi-Close Silver Cavity Closer 50mm -> 100mm 2.4 Metre IY816261

SKU: IY816261

£ 17 .76  inc VAT  Each
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Rockwool Sound Insulation Slab 1200 x 400 x 100mm

Rockwool Sound Insulation Slab 1200 x 400 x 100mm RW180891

SKU: RW180891

£ 54 .01  inc VAT  Pack
£18.75 per square metre
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Recticel Eurothane GP Insulation Board 2400 x 1200 x 75mm

Recticel Eurothane GP Insulation Board 2400 x 1200 x 75mm IRESR075

SKU: IRESR075

£ 70 .64  inc VAT  per sheet
£24.53 per square metre
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Celotex General Purpose Insulation Board 2400 x 1200 x 75mm

Celotex General Purpose Insulation Board 2400 x 1200 x 75mm CXGA4075

SKU: CXGA4075

£ 70 .64  inc VAT  per sheet
£24.53 per square metre
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Celotex Cavity Wall Insulation Board 1200 x 450 x 50mm

Celotex Cavity Wall Insulation Board 1200 x 450 x 50mm CXCW4050

SKU: CXCW4050

£ 15 .11  inc VAT  per sheet
£27.98 per square metre
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Superglass Superwall 36 Cavity Wall Batt 1200 x 455 x 100mm Pack of 8

Superglass Superwall 36 Cavity Wall Batt 1200 x 455 x 100mm Pack of 8 ISSW3610

SKU: ISSW3610

£ 54 .73  inc VAT  Pack
£12.52 per square metre
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Recticel Eurothane GP Insulation Board 2400 x 1200 x 70mm

Recticel Eurothane GP Insulation Board 2400 x 1200 x 70mm IRESR070

SKU: IRESR070

£ 69 .80  inc VAT  per sheet
£24.24 per square metre
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Isover APR Acoustic Partition Roll 20m x 600mm x 25mm 24m2

Isover APR Acoustic Partition Roll 20m x 600mm x 25mm 24m2 INSGS035

SKU: INSGS035

£ 95 .48  inc VAT  per roll
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Cavity wall insulation is an important addition to new-builds and renovations, to help retain warmth in winter, keep out heat in the peak of summer, and to reduce the transmission of noise around your property. Stud wall insulation boards can be installed quickly and easily, with no mess, to immediately add thermal and acoustic insulation to your project. Alternatively, wall insulation roll is a flexible way to fill walls with cavity insulation, again giving the wall immediate acoustic and thermal insulation benefits.

Jewson cavity insulation is manufactured by industry-leading brands like Celotex, Isover and Rockwool, which are already installed in many thousands of households around the UK. Cavity wall insulation is just one part of our range of insulation products to help keep homes and other premises feeling comfortable all year round. Jewson also supplies floor insulation, which can enhance comfort underfoot and prevent the transmission of sound between different storeys of a building.

To reduce heat loss through the roof of a structure, install a good quantity of loft & roof insulation, which is especially important during loft conversions to make the space habitable. Remember to ensure adequate ventilation in rooms fitted with cavity wall insulation for the first time. You'll find a range of air bricks among our bricks & blocks.

Register today for your web login and get the most out of shopping with Jewson, or checkout as a guest. Existing trade customers can link a Jewson Account number to your web login for personalised prices. If you need any help signing up, please contact us and we will be happy to help with any questions.