Cavity and Internal Wall Insulation
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When you’re looking for thermal insulation for a construction project, or you need to improve energy efficiency in an existing building, it’s worth investing in quality cavity wall insulation. In our wide range of wall insulation and cavity insulation you’ll find glass mineral wool rolls and slabs, resin-bonded slabs, and stone wool slab options. All of our wall insulation is certified Euroclass A1 fire resistant and is suitable for external wall insulation and partition wall insulation. You’ll also find acoustic insulation to aid privacy and noise reduction from adjoining properties, above and below. With a choice of sizes and ready cut options you’ll find what you need to suit your building application.
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Product Code: 848622
Knauf Dritherm Cavity Slab 37 150mm 455 x 1200mm 4.368m2
Retail price
£56.60
per pack£47.17 ex. vat
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5 (2 reviews)
Knauf Insulation DriTherm 37 Cavity Insulation Slab 75mm 1200mm x 455mm
Retail price
£36.13
per pack£30.11 ex. vat
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5 (3 reviews)
Knauf Acoustic Roll Ready Cut 100mm 10.30m 2 x 600 12.36m2 Per Pack
Retail price
£91.81
per pack£76.51 ex. vat
£45.91per item
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Product Code: 848611
Knauf Dritherm Cavity Slab 32 100mm 455 x 1200mm 3.276m2 Per Pack
Retail price
£55.43
per pack£46.19 ex. vat
£9.24per item
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5 (1 review)
Knauf Acoustic Roll Ready Cut 50mm 13.50m 2 x 600 16.2m2 Per Pack
Retail price
£76.60
per pack£63.83 ex. vat
£38.30per item
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Product Code: 545715
Knauf Insulation DriTherm 32 Cavity Insulation Slab 150mm 1200mm x 455mm
Retail price
£69.48
per pack£57.90 ex. vat
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Product Code: 767866
Rockwool RWA45 50mm Acoustic Insulation Slab 1200mm x 600mm 6.48m2/ Pack
Retail price
£50.08
per pack£41.73 ex. vat
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5 (1 review)
Knauf Insulation DriTherm 37 Cavity Insulation Slab 50mm 1200mm x 455mm
Retail price
£47.24
per pack£39.37 ex. vat
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5 (1 review)
Rockwool Sound Insulation Slab 1200 x 600 x 50mm (8.64m�)
Retail price
£82.43
per pack£68.69 ex. vat
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5 (2 reviews)
Knauf Dritherm Cavity Slab 37 100mm 455 x 1200mm 6.55m2 Per Pack
Retail price
£55.03
per pack£45.86 ex. vat
£4.59per item
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5 (2 reviews)
Rockwool Sound Insulation Slab 1200 x 400 x 100mm (2.88m2)
Retail price
£52.50
per pack£43.75 ex. vat
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Product Code: 848626
Knauf Dritherm Cavity Slab 32 85mm 455 x 1200mm 2.73m2 Per Pack
Retail price
£61.13
per pack£50.94 ex. vat
£12.23per item
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5 (1 review)
Recticel Eurowall Cavity Insulation Board 1200 x 450 x 50mm
Retail price
£7.44
per sheet£6.20 ex. vat
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Product Code: 773732
Rockwool Sound Insulation Slab 1200 x 600 x 100mm (4.32m²)
Retail price
£82.48
each£68.73 ex. vat
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4.9 (17 reviews)
Rockwool RWA45 Semi-Rigid Acoustic Insulation Slab 100mm x 1200mm x 600mm (2....
Retail price
£52.67
per pack£43.89 ex. vat
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Product Code: 654815
Rockwool Ablative Coated Batt 50mm x 1200mm x 600mm 0.72m2/ Pack
Retail price
£31.93
each£26.61 ex. vat
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Product Code: 227158
Recticel Eurowall Cavity Insulation Board 1200 x 450 x 100mm
Retail price
£16.91
per sheet£14.09 ex. vat
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Product Code: 227313
Recticel Eurowall Cavity Insulation Board 1200 x 450 x 75mm
Retail price
£11.66
per sheet£9.72 ex. vat
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Product Code: 227129
Recticel Eurowall Cavity Insulation Board 1200 x 450 x 70mm
Retail price
£16.91
per sheet£14.09 ex. vat
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Product Code: 848608
Knauf Acoustic Roll Ready Cut 100mm 10.30m 3 x 400 12.36m2 Per Pack
Retail price
£104.87
per pack£87.39 ex. vat
£34.96per item
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Product Code: 848623
Knauf Acoustic Roll Ready Cut 75mm 14.50m 2 x 600 17.4m2 Per Pack
Retail price
£164.95
per pack£137.46 ex. vat
£82.47per item
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Product Code: 848595
Knauf Acoustic Roll Ready Cut 25mm 11.10m 4 x 600 26.64m2 Per Pack
Retail price
£94.62
per pack£78.85 ex. vat
£23.66per item
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Product Code: 881334
Kingspan Kooltherm K106 Full Fill Cavity Wall Insulation Board 1200mm x 450mm...
Retail price
£170.78
per pack£142.32 ex. vat
£42.70per item
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Product Code: 295475
Knauf Insulation Masonry Party Wall Slab 75mm 8.74m2
Retail price
£517.90
per pack£431.58 ex. vat
£32.37per item
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Product Code: 227170
Recticel Eurowall+ Insulation Board 1200 x 450 x 90mm
Retail price
£25.13
per sheet£20.94 ex. vat
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Product Code: 447791
Actis Hybris Panels 205mm 2 Pack 2.74m2
Retail price
£80.96
per pack£67.47 ex. vat
£40.48per item
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Product Code: 381869
75mm x 1200mm x 450mm Kingspan Kooltherm Partial Fill Cavity Wall Insulation ...
Retail price
£141.79
per pack£118.16 ex. vat
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Product Code: 221584
Knauf Insulation Rocksilk RS45 Slab 1200mm x 600mm x 100mm
Retail price
£77.99
per pack£64.99 ex. vat
£15.60per item
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Product Code: 122531
Knauf Insulation FrameTherm Roll 32 2800mm x 1140mm x 140mm
Retail price
£138.35
per pack£115.29 ex. vat
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Product Code: 447900
Actis Hybris Panels 105mm 4 Pack 5.49m2
Retail price
£80.74
per pack£67.28 ex. vat
£20.18per item
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Showing 1—30 items of 53
Actis Hybris Panels 140mm 2 Pack 2.74m2
Is made of shaped polyethylene foams glued to aluminium coated polyethylene foils. The unique honeycomb structure composes of a large number of low emissivity cavities that ensure high thermal performance. The reflective insulation product has a heat capacity of 2300JK/kgK. The panels can be used on timber frame, masonry walls, pitched roof, ceilings, floors & suspended timber floors. The lightweight Hybris panels have a tensile strength greater than 45kPa before and after ageing in both longitudinal and transversal directions. The tensile strength is tested to EN 1608 and the tearing and nail shank resistance to EN 12310- 1 part 1.
£55.30 per pack (Inc. VAT)
Knauf Acoustic Roll Ready Cut 75mm 14.50m 2 x 600 17.4m2 Per Pack
Earthwool Acoustic Roll is a flexible glass mineral wool quilt that provides a high level of sound absorption. The roll is 1200mm wide and ready cut to 2 x 600mm wide rolls. Odourless, rot proof and non-hygroscopic, it does not sustain vermin and will not encourage the growth of fungi, mould or bacteria, providing durability. It provides coverage of 15m2.
£164.95 per pack (Inc. VAT)
Knauf Insulation FrameTherm Roll 32 4500mm x 1140mm x 90mm
An A1 Non-Combustible Glass Mineral Wool roll, manufactured using Knauf Insulation's unique ECOSE® Technology, and designed specifically for use in timber frame applications between studwork.
£139.38 per pack (Inc. VAT)
Knauf Insulation Frametherm Roll 40 140mm 2x570 9.14m2
An A1 Non-Combustible Glass Mineral Wool roll, manufactured using Knauf Insulation's unique ECOSE® Technology, and designed specifically for use in timber frame applications between studwork.
£167.04 per pack (Inc. VAT)