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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
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£22.02 per packFrom
£18.35 ex vat−
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Knauf Insulation Acoustic Partition Roll
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£43.25 eachFrom
£36.04 ex vat−
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5 (1 review)
Knauf Insulation DriTherm 32 Cavity Insulation Slab
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£29.27 eachFrom
£24.39 ex vat−
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Recticel Eurowall Cavity Insulation Wall Board 1200mm x 450mm
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£4.55 per sheetFrom
£3.79 ex vat−
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Rockwool Sound Insulation Slab 1200 x 600
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£56.40 per packFrom
£47.00 ex vat−
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Knauf Insulation Loft Roll 44 Short Length Combi Cut
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£20.71 eachFrom
£17.26 ex vat−
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4.9 (16 reviews)
Rockwool RWA45 Semi-Rigid Acoustic Insulation Slab 100mm x 1200mm x 600mm (2....
£35.90 per pack
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Knauf Insulation Rocksilk RS45
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£33.24 per packFrom
£27.70 ex vat−
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5 (1 review)
Knauf Insulation FrameTherm Roll 35
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£45.16 per packFrom
£37.63 ex vat−
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Recticel Eurowall+ Insulation Board 1200mm x 460mm
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£27.53 per sheetFrom
£22.94 ex vat−
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NEW
Knauf Insulation Masonry Party Wall Slab
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£34.98 per packFrom
£29.15 ex vat−
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NEW
Knauf Insulation Timber Frame Party Wall Slab
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£67.46 per packFrom
£56.22 ex vat−
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Showing 1—26 items of 26
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.
£50.69 per pack (Inc. VAT)
Celotex TB4030 General Application Insulation Board 30mm x 1200mm x 2400mm (2.88m²/Sheet)
Celotex TB4030 is a premium multi-purpose insulation board manufactured to provide a simple solution in overcoming thermal bridging. This unique board is suitable in numerous applications including; roofing, floors and walls, and with its easy to cut shape and foil grid it really does make its use and application a hassle-free job. As well as providing a long-term energy saving solution this Celotex insulation board is perfect for lightweight steel frame commercial and industrial buildings.
£33.90 per sheet (Inc. VAT)
Celotex XR4130 General Application Insulation Board 130mm 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.
£164.88 per sheet (Inc. VAT)
Ecotherm ECO-TORCH ET50 Insulation Board 1200 x 600 x 150mm
Flat roof insulation Insulation for use with hot applied roofing systems or adhered single ply systems. Fibre free rigid polyisocyanurate (PIR) insulation core faced with coated glass tissue on one side and bitumenised glass tissue with polypropylene fleece on the other.
£46.07 each (Inc. VAT)