Cavity and Internal Wall Insulation
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Shop our high quality cavity and internal wall insulation products to stop heat from escaping through your walls. Our products can be used to insulate a wide range of applications, available in a choice of lengths & widths.
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4.8 (5 reviews)
Knauf Insulation DriTherm 37 Cavity Insulation Slab
Retail price
From £24.71 per pack
From £20.59 ex. vat
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Product Code: 9000255435
Rockwool Sound Insulation Slab 1200 x 600
Retail price
From £45.20 per pack
From £37.67 ex. vat
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Product Code: 773734
Rockwool Sound Insulation Slab 1200 x 400 x 100mm (2.88m²)
Retail price
£39.73 per pack
£33.11 ex. vat
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4.9 (16 reviews)
Rockwool RWA45 Semi-Rigid Acoustic Insulation Slab 100mm x 1200mm x 600mm (2....
Retail price
£39.43 per pack
£32.86 ex. vat
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Product Code: 9000200436
Knauf Insulation Loft Roll 44 Short Length Combi Cut
Retail price
From £23.56 each
From £19.63 ex. vat
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Product Code: 767866
Rockwool RWA45 50mm Acoustic Insulation Slab 1200mm x 600mm 6.48m2/ Pack
Retail price
£30.12 per pack
£25.10 ex. vat
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Product Code: 9000197592
Knauf Insulation Rocksilk RS45
Retail price
From £37.43 per pack
From £31.19 ex. vat
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Product Code: 654815
Rockwool Ablative Coated Batt 50mm x 1200mm x 600mm 0.72m2/ Pack
Retail price
£23.12 each
£19.27 ex. vat
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5 (1 review)
Knauf Insulation DriTherm 32 Cavity Insulation Slab
Retail price
From £49.16 per pack
From £40.97 ex. vat
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Product Code: 122531
Knauf Insulation FrameTherm Roll 32 2800mm x 1140mm x 140mm
Retail price
£72.17 per pack
£60.14 ex. vat
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Product Code: 734014
Knauf Insulation OmniFit Slab 50mm 1200x600 8.64m2
Retail price
£28.31 per pack
£23.59 ex. vat
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5 (1 review)
Knauf Insulation FrameTherm Roll 35
Retail price
From £50.66 per pack
From £42.22 ex. vat
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Product Code: 381869
Kingspan Kooltherm K108 Partial Fill Cavity Wall Insulation 1200mm x 450mm x ...
Retail price
£111.59 per pack
£92.99 ex. vat
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Product Code: 734019
Knauf Insulation Omnifit Insulation Roll 4550mm x 1200mm x 150mm
Retail price
£65.20 per pack
£54.33 ex. vat
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Product Code: 9000262434
Knauf Insulation Masonry Party Wall Slab
Retail price
From £39.30 per pack
From £32.75 ex. vat
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Product Code: 881334
Kingspan Kooltherm K106 Full Fill Cavity Wall Insulation Board 1200mm x 450mm...
Retail price
£85.45 per pack
£71.21 ex. vat
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Product Code: 734018
Knauf Insulation Omnifit Insulation Roll 3400mm x 1200mm x 200mm
Retail price
£30.84 per pack
£25.70 ex. vat
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Product Code: 9000195438
Recticel Eurowall+ Insulation Board 1200mm x 460mm
Retail price
From £24.05 per sheet
From £20.04 ex. vat
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Product Code: 734011
Knauf Insulation OmniFit Slab 70mm 1200x600 5.76m2
Retail price
£34.91 per pack
£29.09 ex. vat
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Product Code: 9000260458
Knauf Insulation Timber Frame Party Wall Slab
Retail price
From £75.67 per pack
From £63.06 ex. vat
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Product Code: 949787
Knauf Insulation FrameTherm Roll 32 4500mm x 1140mm x 90mm
Retail price
£74.11 per pack
£61.76 ex. vat
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Product Code: 734008
Knauf Insulation OmniFit Slab 140mm 1200x600 2.88m2
Retail price
£50.92 per pack
£42.43 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
£57.40 per pack
£47.83 ex. vat
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Product Code: 848595
Knauf Acoustic Roll Ready Cut 25mm 11.10m 4 x 600 26.64m2 Per Pack
Retail price
£51.79 per pack
£43.16 ex. vat
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Product Code: 9000267434
Knauf Acoustic Roll Ready Cut
Retail price
From £44.90 per pack
From £37.42 ex. vat
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Product Code: 848611
Knauf Dritherm Cavity Slab 32 100mm 455 x 1200mm 3.276m2 Per Pack
Retail price
£38.80 per pack
£32.33 ex. vat
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Product Code: 848622
Knauf Dritherm Cavity Slab 37 150mm 455 x 1200mm 4.368m2
Retail price
£31.03 per pack
£25.86 ex. vat
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Showing 1—28 items of 31
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.
£52.75 per pack (Inc. VAT)
British Gypsum Gyproc Fireline Plasterboard Tapered Edge 2400mm x 1200mm x 12.5mm (2.88m²/ Sheet)
Gyproc Fireline Plasterboard is a fire resistant plasterboard that consists of an aerated gypsum core with glass fibre and other additives encased in, and firmly bonded to, strong paper liners that are pink. This product is suitable for Drylining, wall lining and ceiling systems where increased fire protection is essential. This tapered edged plasterboard is perfect protection for structural steel.
£14.95 per sheet (Inc. VAT)
Celotex TB4020 General Application Insulation Board 20mm x 1200mm x 2400mm (2.88m²/Sheet)
This TB4000 PIR insulation board by Celotex is ideal for overcoming thermal bridging. This board is a thin 20mm high-performance board suitable for use in a number of applications including roof, wall and floor systems.
£37.22 per sheet (Inc. VAT)
Celotex XR4165 General Application Insulation Board 150mm x 1200mm x 2400mm (2.88m²/Sheet)
This multi-purpose insulation board is suitable for a number of applications including roof, wall and floor systems. Featuring foil facings, this board is manufactured from tough polyisocyanurate, with an ideal mix of blowing agents acquiring zero ozone depletion potential and a low global warming impact.
£158.90 per sheet (Inc. VAT)
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