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Masonry Wall Insulation

Competitive Trade Pricing with quantity discounts. Online supplier of Masonry Wall Insulation products (insulating brick walls) from UK top rated brands like Knauf, Rockwool, Isover, Ursa, Celotex, Kingspan and so on.

About

Masonry wall insulation can be a cost-effective way to increase the energy efficiency of your home and reduce heating and cooling costs. Masonry walls are constructed with bricks, blocks, or stones that are stacked on top of each other in a pattern with gaps left between them for insulation.

Have a browse of our stock and filter by thickness or coverage on the left-hand side of the page. If you’d like to talk through the suitability of some Insulation Boards for your project, or get a quantity discount quotation please call us on 02039519012 , email sales@insulationstoreonline.co.uk or Live Chat - Lowest UK Prices.

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£ 3.51
£ 104.89
16 products
newest
150mm Isover Cavity Wall Slab (CWS) 32 ( Pack of 4 ) - image
150mm Isover Cavity Wall Slab (CWS) 32 ( Pack of 4 )
Glass Mineral Wool Slab Pack Length: 4800mmPack Width: 1820mmPack coverage: 2.18m2Thickness: 150mmQuantity: Pack Of 4
Last known price: £39.58
£ 47.50 Inc VAT
125mm Isover Cavity Wall Slab (CWS) 32 ( Pack of 5 ) - image
125mm Isover Cavity Wall Slab (CWS) 32 ( Pack of 5 )
Glass Mineral Wool Slab Pack Length: 6000mmPack Width: 2275mmPack coverage: 2.73m2Thickness: 125mmQuantity: Pack Of 5
Last known price: £72.17
£ 86.60 Inc VAT
100mm Isover Cavity Wall Slab (CWS) 32 ( Pack of 6 ) - image
100mm Isover Cavity Wall Slab (CWS) 32 ( Pack of 6 )
Glass Mineral Wool Slab Pack Length: 7200mmPack Width: 2730mmPack coverage: 3.28m2Thickness: 100mmQuantity: Pack Of 6
£ 53.22
£ 63.86 Inc VAT
85mm Isover Cavity Wall Slab (CWS) 32 ( Pack of 8 ) - image
85mm Isover Cavity Wall Slab (CWS) 32 ( Pack of 8 )
Glass Mineral Wool Slab Pack Length: 9600mmPack Width: 3640mmPack coverage: 4.37m2Thickness: 85mmQuantity: Pack Of 8
Last known price: £65.11
£ 78.13 Inc VAT
75mm Isover Cavity Wall Slab (CWS) 32 ( Pack of 10 ) - image
75mm Isover Cavity Wall Slab (CWS) 32 ( Pack of 10 )
Glass Mineral Wool Slab Pack Length: 12000mmPack Width: 4550mmPack coverage: 5.46m2Thickness: 75mmQuantity: Pack Of 10
£ 64.38
£ 77.26 Inc VAT
150mm Isover Cavity Wall Slab (CWS) 36 ( Pack of 6 ) - image
150mm Isover Cavity Wall Slab (CWS) 36 ( Pack of 6 )
Glass Mineral Wool Slab Pack Length: 7200mmPack Width: 2730mmPack coverage: 3.28m2Thickness: 150mmQuantity: Pack Of 6
Last known price: £48.44
£ 58.13 Inc VAT
125mm Isover Cavity Wall Slab (CWS) 36 ( Pack of 8 ) - image
125mm Isover Cavity Wall Slab (CWS) 36 ( Pack of 8 )
Glass Mineral Wool Slab Pack Length: 9600mmPack Width: 3640mmPack coverage: 4.37m2Thickness: 125mmQuantity: Pack Of 8
Last known price: £48.44
£ 58.13 Inc VAT
100mm Isover Cavity Wall Slab (CWS) 36 ( Pack of 12 ) - image
100mm Isover Cavity Wall Slab (CWS) 36 ( Pack of 12 )
Glass Mineral Wool Slab Pack Length: 14400mmPack Width: 5460mmPack coverage: 6.55m2Thickness: 100mmQuantity: Pack Of 12
£ 42.12
£ 50.54 Inc VAT
85mm Isover Cavity Wall Slab (CWS) 36 ( Pack of 12 ) - image
85mm Isover Cavity Wall Slab (CWS) 36 ( Pack of 12 )
Glass Mineral Wool Slab Pack Length: 14400mmPack Width: 5460mmPack coverage: 6.55m2Thickness: 85mmQuantity: Pack Of 12
Last known price: £48.44
£ 58.13 Inc VAT
75mm Isover Cavity Wall Slab (CWS) 36 ( Pack of 16 ) - image
75mm Isover Cavity Wall Slab (CWS) 36 ( Pack of 16 )
Glass Mineral Wool Slab Pack Length: 19200mmPack Width: 7280mmPack coverage: 8.74m2Thickness: 75mmQuantity: Pack Of 16
£ 52.38
£ 62.86 Inc VAT
65mm Isover Cavity Wall Slab (CWS) 36 ( Pack of 16 ) - image
65mm Isover Cavity Wall Slab (CWS) 36 ( Pack of 16 )
Glass Mineral Wool Slab Pack Length: 19200mmPack Width: 7280mmPack coverage: 8.74m2Thickness: 65mmQuantity: Pack Of 16
Last known price: £48.44
£ 58.13 Inc VAT
65mm Isover Cavity Wall Slab (CWS) 32( Pack of 12 ) - image
65mm Isover Cavity Wall Slab (CWS) 32( Pack of 12 )
Glass Mineral Wool Slab Pack Length: 14400mmPack Width: 5460mmPack coverage: 6.55m2Thickness: 65mmQuantity: Pack Of 12
£ 41.60
£ 49.92 Inc VAT
50mm Isover Cavity Wall Slab (CWS) 36 ( Pack of 20 ) - image
50mm Isover Cavity Wall Slab (CWS) 36 ( Pack of 20 )
Glass Mineral Wool Slab Pack Length: 24000mmPack Width: 9100mmPack coverage: 10.92m2Thickness: 50mmQuantity: Pack Of 20
£ 41.60
£ 49.92 Inc VAT
140mm Celotex Thermaclass Cavity Wall 21 - Rigid PIR Full Fill Cavity Insulation Board ( Pack of 4 ) - image
140mm Celotex Thermaclass Cavity Wall 21 - Rigid PIR Full Fill Cavity Insulation Board ( Pack of 4 )
PIR Insulation for Full Fill Cavity Wall Pack Length: 4760mmPack Width: 1800mmPack coverage: 2.16m2Thickness: 140mmQuantity: 4 Sheets
£ 74.85
£ 89.82 Inc VAT
115mm Celotex Thermaclass Cavity Wall 21 - Rigid PIR Full Fill Cavity Insulation Board ( Pack of 5 ) - image
115mm Celotex Thermaclass Cavity Wall 21 - Rigid PIR Full Fill Cavity Insulation Board ( Pack of 5 )
PIR Insulation for Full Fill Cavity Wall Pack Length: 5950mmPack Width: 2250mmPack coverage: 2.7m2Thickness: 115mmQuantity: 5 Sheets
£ 74.85
£ 89.82 Inc VAT
90mm Celotex Thermaclass Cavity Wall 21 - Rigid PIR Full Fill Cavity Insulation Board ( Pack of 6 ) - image
90mm Celotex Thermaclass Cavity Wall 21 - Rigid PIR Full Fill Cavity Insulation Board ( Pack of 6 )
PIR Insulation for Full Fill Cavity Wall Pack Length: 7140mmPack Width: 2700mmPack coverage: 3.24m2Thickness: 90mmQuantity: 6 Sheets
£ 74.85
£ 89.82 Inc VAT
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