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Wall Insulation

Enhance home's energy efficiency & soundproofing with top-quality wall insulation. Choose from cavity insulation to external & internal insulation for optimal results.

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Superglass Superwall 36 Cavity Batt 1200 x 455 x 75mm (5.460m²) Pack of 10

Superglass Superwall 36 Cavity Batt 1200 x 455 x 75mm (5.460m²) Pack of 10 ISSW3607
£83.66 inc VAT Pack
£15.32  per square metre
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Superglass Superwall 36 Cavity Batt 1200 x 455 x 100mm (4.368m²) Pack of 8

Superglass Superwall 36 Cavity Batt 1200 x 455 x 100mm (4.368m²) Pack of 8 ISSW3610
£71.63 inc VAT Pack
£16.39  per square metre
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Isover 32 Timber Frame Batt 1.2m x 570 x 50mm Pack of 9

Isover 32 Timber Frame Batt 1.2m x 570 x 50mm Pack of 9 IWTB3205
£194.46 inc VAT Pack
£16.13  per square metre
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Isover 35 Timber Frame Batt 1.2m x 570 x 100mm Pack of 8

Isover 35 Timber Frame Batt 1.2m x 570 x 100mm Pack of 8 IWTB3510
£327.86 inc VAT Pack
£27.20  per square metre
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Celotex CW4000 PIR Cavity Wall Insulation Board 1.2m x 450 x 85mm

Celotex CW4000 PIR Cavity Wall Insulation Board 1.2m x 450 x 85mm CXCW4085
£60.79 inc VAT per sheet
£112.57  per square metre
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Celotex XR4000 General Purpose Insulation Board 2.4m x 1.2m x 110mm

Celotex XR4000 General Purpose Insulation Board 2.4m x 1.2m x 110mm CXXR4110
£150.82 inc VAT per sheet
£52.37  per square metre
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Celotex XR4000 General Purpose Insulation Board 2.4m x 1.2m x 120mm

Celotex XR4000 General Purpose Insulation Board 2.4m x 1.2m x 120mm CXXR4120
£127.90 inc VAT per sheet
£44.41  per square metre
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Celotex XR4000 General Purpose Insulation Board 2.4m x 1.2m x 130mm

Celotex XR4000 General Purpose Insulation Board 2.4m x 1.2m x 130mm CXXR4130
£196.38 inc VAT per sheet
£68.19  per square metre
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Celotex GA4000 General Purpose Insulation Board 2.4m x 1.2m x 50mm

Celotex GA4000 General Purpose Insulation Board 2.4m x 1.2m x 50mm CXGA4050
£61.69 inc VAT per sheet
£21.42  per square metre
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Celotex XR4000 General Purpose Insulation Board 2.4m x 1.2m x 150mm

Celotex XR4000 General Purpose Insulation Board 2.4m x 1.2m x 150mm CXXR4150
£146.52 inc VAT per sheet
£50.87  per square metre
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Celotex GA4000 General Purpose Insulation Board 2.4m x 1.2m x 75mm

Celotex GA4000 General Purpose Insulation Board 2.4m x 1.2m x 75mm CXGA4075
£79.63 inc VAT per sheet
£27.65  per square metre
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Celotex GA4000 General Purpose Insulation Board 2.4m x 1.2m x 70mm

Celotex GA4000 General Purpose Insulation Board 2.4m x 1.2m x 70mm CXGA4070
£83.26 inc VAT per sheet
£28.91  per square metre
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Celotex GA4000 General Purpose Insulation Board 2.4m x 1.2m x 100mm

Celotex GA4000 General Purpose Insulation Board 2.4m x 1.2m x 100mm CXGA4100
£85.79 inc VAT per sheet
£29.79  per square metre
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Celotex TB4000 General Purpose Insulation Board 2.4m x 1.2m x 25mm

Celotex TB4000 General Purpose Insulation Board 2.4m x 1.2m x 25mm CXTB4025
£44.03 inc VAT per sheet
£15.29  per square metre
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Celotex TB4000 General Purpose Insulation Board 2.4m x 1.2m x 30mm

Celotex TB4000 General Purpose Insulation Board 2.4m x 1.2m x 30mm CXTB4030
£66.30 inc VAT per sheet
£23.02  per square metre
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Kingspan Kooltherm K108 Cavity Board 1.2m x 450 x 80mm

Kingspan Kooltherm K108 Cavity Board 1.2m x 450 x 80mm IK108080
£29.81 inc VAT per sheet
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Kingspan Kooltherm K112 Framing Board 2.4 x 1.2m x 70mm

Kingspan Kooltherm K112 Framing Board 2.4 x 1.2m x 70mm IK112070
£210.24 inc VAT per sheet
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Kingspan Kooltherm K112 Framing Board 2.4 x 1.2m x 80mm

Kingspan Kooltherm K112 Framing Board 2.4 x 1.2m x 80mm IK112080
£238.80 inc VAT per sheet
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Kingspan Kooltherm K112 Framing Board 2.4 x 1.2m x 120mm

Kingspan Kooltherm K112 Framing Board 2.4 x 1.2m x 120mm IK112120
£340.58 inc VAT per sheet
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Recticel Eurowall PIR Cavity Board 1.2m x 450 x 90mm

Recticel Eurowall PIR Cavity Board 1.2m x 450 x 90mm IREWC090
£52.10 inc VAT per sheet
£96.48  per square metre
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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.

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