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Knauf Insulation 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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Knauf Insulation DriTherm 32 Cavity Insulation Slab 150mm 1200mm x 455mm
Product Code: 545715
Knauf Insulation DriTherm 32 Cavity Insulation Slab 150mm 1200mm x 455mm
Retail price

£78.37

per pack
£65.31 ex. vat
£19.59per item
Trade price
£72.65
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Knauf Insulation FrameTherm Roll 35 3900mm x 1140mm x 140mm
5 (1 review)
Product Code: 705826
Knauf Insulation FrameTherm Roll 35 3900mm x 1140mm x 140mm
Retail price

£104.33

per pack
£86.94 ex. vat
£52.16per item
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Knauf Acoustic Roll Ready Cut 50mm 13.50m 2 x 600 16.2m2 Per Pack
5 (1 review)
Product Code: 848612
Knauf Acoustic Roll Ready Cut 50mm 13.50m 2 x 600 16.2m2 Per Pack
Retail price

£86.30

per pack
£71.92 ex. vat
£43.15per item
Trade price
£77.89
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Knauf Acoustic Roll Ready Cut 100mm 10.30m 2 x 600 12.36m2 Per Pack
5 (3 reviews)
Product Code: 848621
Knauf Acoustic Roll Ready Cut 100mm 10.30m 2 x 600 12.36m2 Per Pack
Retail price

£115.85

per pack
£96.54 ex. vat
Trade price
£104.40
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Knauf Insulation DriTherm 37 Cavity Insulation Slab  50mm  1200mm x 455mm
5 (1 review)
Product Code: 497107
Knauf Insulation DriTherm 37 Cavity Insulation Slab 50mm 1200mm x 455mm
Retail price

£56.04

per pack
£46.70 ex. vat
£4.67per item
Trade price
£51.91
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Knauf Insulation DriTherm 37 Cavity Insulation Slab  75mm 1200mm x 455mm
5 (2 reviews)
Product Code: 497095
Knauf Insulation DriTherm 37 Cavity Insulation Slab 75mm 1200mm x 455mm
Retail price

£42.74

per pack
£35.62 ex. vat
£5.34per item
Trade price
£39.64
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Knauf Dritherm Cavity Slab 32 100mm 455 x 1200mm 3.276m2 Per Pack
Product Code: 848611
Knauf Dritherm Cavity Slab 32 100mm 455 x 1200mm 3.276m2 Per Pack
Retail price

£56.38

per pack
£46.98 ex. vat
£9.40per item
Trade price
£50.16
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Knauf Dritherm Cavity Slab 37 150mm 455 x 1200mm 4.368m2
Product Code: 848622
Knauf Dritherm Cavity Slab 37 150mm 455 x 1200mm 4.368m2
Retail price

£67.09

per pack
£55.91 ex. vat
Trade price
£59.82
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Knauf Acoustic Roll Ready Cut 25mm 11.10m 4 x 600 26.64 m2 Per Pack
Product Code: 848595
Knauf Acoustic Roll Ready Cut 25mm 11.10m 4 x 600 26.64 m2 Per Pack
Retail price

£106.84

per pack
£89.03 ex. vat
Trade price
£101.76
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Knauf Dritherm Cavity Slab 37 100mm 455 x 1200mm 6.55m2 Per Pack
5 (2 reviews)
Product Code: 848602
Knauf Dritherm Cavity Slab 37 100mm 455 x 1200mm 6.55m2 Per Pack
Retail price

£65.18

per pack
£54.32 ex. vat
£5.43per item
Trade price
£57.55
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Knauf Insulation FrameTherm Roll 35 6000mm x 1140mm x 90mm
Product Code: 665075
Knauf Insulation FrameTherm Roll 35 6000mm x 1140mm x 90mm
Retail price

£125.02

per pack
£104.18 ex. vat
£62.51per item
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Knauf Insulation Masonry Party Wall Slab 75mm 8.74m2
Product Code: 295475
Knauf Insulation Masonry Party Wall Slab 75mm 8.74m2
Retail price

£583.78

per pack
£486.48 ex. vat
£36.49per item
Trade price
£556.07
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Knauf Dritherm Cavity Slab 32 85mm 455 x 1200mm 2.73m2 Per Pack
Product Code: 848626
Knauf Dritherm Cavity Slab 32 85mm 455 x 1200mm 2.73m2 Per Pack
Retail price

£72.37

per pack
£60.31 ex. vat
£14.47per item
Trade price
£67.10
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Knauf Acoustic Roll Ready Cut 100mm 10.30m 3 x 400 12.36m2 Per Pack
Product Code: 848608
Knauf Acoustic Roll Ready Cut 100mm 10.30m 3 x 400 12.36m2 Per Pack
Retail price

£118.19

per pack
£98.49 ex. vat
Trade price
£112.55
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Knauf Acoustic Roll Ready Cut 75mm 14.50m 2 x 600 17.4m2 Per Pack
Product Code: 848623
Knauf Acoustic Roll Ready Cut 75mm 14.50m 2 x 600 17.4m2 Per Pack
Retail price

£186.08

per pack
£155.07 ex. vat
Trade price
£177.25
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Knauf Insulation OmniFit® Slab 50mm 1200x600 8.64m2
Product Code: 734014
Knauf Insulation OmniFit® Slab 50mm 1200x600 8.64m2
Retail price

£58.30

per pack
£48.58 ex. vat
£4.86per item
Trade price
£55.56
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Knauf Insulation Rocksilk RS45 Slab 1200mm x 600mm x 100mm
Product Code: 221584
Knauf Insulation Rocksilk RS45 Slab 1200mm x 600mm x 100mm
Retail price

£87.23

per pack
£72.69 ex. vat
£17.45per item
Trade price
£79.28
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Knauf Insulation FrameTherm Roll 32 2800mm x 1140mm x 140mm
Product Code: 122531
Knauf Insulation FrameTherm Roll 32 2800mm x 1140mm x 140mm
Retail price

£156.07

per pack
£130.06 ex. vat
£78.03per item
Trade price
£147.53
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Knauf Insulation FrameTherm Roll 32 4500mm x 1140mm x 90mm
Product Code: 949787
Knauf Insulation FrameTherm Roll 32 4500mm x 1140mm x 90mm
Retail price

£157.21

per pack
£131.01 ex. vat
£78.61per item
Trade price
£149.72
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Knauf Insulation OmniFit® Insulation Roll 3400mm x 1200mm x 200mm
Product Code: 734018
Knauf Insulation OmniFit® Insulation Roll 3400mm x 1200mm x 200mm
Retail price

£63.59

per pack
£52.99 ex. vat
Trade price
£60.54
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Knauf Insulation Rocksilk RS45 50mm 7.20m2
Product Code: 221587
Knauf Insulation Rocksilk RS45 50mm 7.20m2
Retail price

£77.00

per pack
£64.17 ex. vat
£7.70per item
Trade price
£73.34
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Knauf Insulation Frametherm Roll 40 140mm 2x570 9.14m2
Product Code: 961304
Knauf Insulation Frametherm Roll 40 140mm 2x570 9.14m2
Retail price

£188.54

per pack
£157.12 ex. vat
£94.27per item
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Knauf Insulation OmniFit® Insulation Roll 4550mm x 1200mm x 150mm
Product Code: 734019
Knauf Insulation OmniFit® Insulation Roll 4550mm x 1200mm x 150mm
Retail price

£134.09

per pack
£111.74 ex. vat
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Knauf Insulation DriTherm 37 Cavity Insulation Slab 85mm 1200mm x 455mm
Product Code: 497094
Knauf Insulation DriTherm 37 Cavity Insulation Slab 85mm 1200mm x 455mm
Retail price

£54.65

per pack
£45.54 ex. vat
£6.83per item
Trade price
£50.65
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Knauf Insulation Timber Frame Party Wall Slab 60mm 11.52m2
Product Code: 295477
Knauf Insulation Timber Frame Party Wall Slab 60mm 11.52m2
Retail price

£163.42

per pack
£136.18 ex. vat
£10.21per item
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Knauf Dritherm Cavity Slab 32 75mm 455 x 1200mm 3.276m2 Per Pack
Product Code: 848615
Knauf Dritherm Cavity Slab 32 75mm 455 x 1200mm 3.276m2 Per Pack
Retail price

£78.97

per pack
£65.81 ex. vat
£13.16per item
Trade price
£73.27
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Knauf Insulation Masonry Party Wall Slab 100mm 6.55m2
Product Code: 295474
Knauf Insulation Masonry Party Wall Slab 100mm 6.55m2
Retail price

£84.88

per pack
£70.73 ex. vat
£7.07per item
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Knauf Insulation OmniFit® Slab 140mm 1200x600 2.88m2
Product Code: 734008
Knauf Insulation OmniFit® Slab 140mm 1200x600 2.88m2
Retail price

£104.77

per pack
£87.31 ex. vat
£26.19per item
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Knauf Insulation OmniFit® Slab 70mm 1200x600 5.76m2
Product Code: 734011
Knauf Insulation OmniFit® Slab 70mm 1200x600 5.76m2
Retail price

£204.98

per pack
£170.82 ex. vat
£25.62per item
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Knauf Dritherm Cavity Slab 32 125mm 455 x 1200mm 2.184m2 Per Pack
Product Code: 848594
Knauf Dritherm Cavity Slab 32 125mm 455 x 1200mm 2.184m2 Per Pack
Retail price

£65.21

per pack
£54.34 ex. vat
£16.30per item
Trade price
£58.13
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Showing 1—30 items of 30

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A universal insulation board for use in pitched roofs, walls and floors. Comprises a fibre free rigid PIR insulation core faced with an aluminium foil composite on both sides.
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Thickness
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Knauf Acoustic Roll Ready Cut measures 14.50m in length, 1.2m in width, and has a thickness of 7.5cm, providing a total coverage area of 17.4 m2. Earthwool Acoustic Roll is a flexible glass mineral wool quilt that provides a high level of sound absorption. Odourless, rot-proof and non-hygroscopic, it does not sustain vermin and will not encourage the growth of fungi, mould or bacteria, providing durability.
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Thickness
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5 (1 review)
This Knauf Insulation Loft Roll Combi Cut 44 measures 8.05m in length, 1.14 m in width, and has a thickness of 15cm, providing a total coverage area of 9.18m2. Perfect for insulating cold roof spaces at ceiling height. It functions to optimise thermal retention by minimising heat transfer. The material is non-combustible and attains the highest fire-resistance classification (Euroclass A1). It is manufactured using ECOSE Technology, an environmentally sustainable binder derived from plant-based resources.
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£75.32

per pack (Inc. VAT)
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Partial fill cavity wall PIR insulation. Fibre free rigid insulation core with aluminium foil composite to both sides. The boards are conveniently sized to co-ordinate with brick and block dimensions and allow the insertion of wall ties at the appropriate spacing.
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