Notice: Our Sales Office Will Be Closed From Friday March 29th Through To Monday April 1st. Deliveries Will Commence As Normal From Tuesday April 2nd. Happy Easter!

✆ Call us at 020 3936 2839      |      

Search
  • Search
  • Offers
  • Wishlist
PRICE MATCH GUARANTEE
IN THE TRADE?

Cavity Wall Insulation

Cavity wall insulation is a cavity wall that is made up of two walls with a gap between, which is referred to as the cavity. The outer layer usually consists of brick with the inner layer consisting of a concrete block.

What is Cavity Wall Insulation?

Cavity wall insulation is apparent in homes that are built after the 1920s. Cavity wall insulation can be installed by injecting insulation material into the cavity wall from the outside. Drilling small holes in the outside of the wall for access and then refilling over with cement. It is usually made from mineral wool or polystyrene beads. Cavity insulation costs vary depending on a number of factors. It depends on the size and age of your home. However, you should be able to make back the initial installation cost in less than five years due to the energy bill savings you are likely to make. Other cost-saving methods are available such as not insulting the whole home at once.

Making a Choice

Cavity wall insulation is guaranteed to minimise the loss of heat that can escape through the wall cavities by filling up the air spaces using insulation material to decrease the transfer of heat. By doing this it will not only stop the air in the cavities, but it will also reduce the cost of heating by a considerable amount. It does this by keeping the heat within the inner walls to keep the rooms warmer for a more extended period of time. This is usually a very common feature in houses, especially the ones that are built after the 1920s. Mineral wool, polyurethane foam and polystyrene beads are both materials that are often used for cavity insulation, and the one in which you select should be determined by the existing brickwork and how big or small in size your cavity is in your home. 

Be cost effective with process and save money on your energy by having your cavity walls filled with insulation with the help of a trusted professional. 

Read MoreRead Less

View as Grid List

Items 1-48 of 108

Page
per page
Set Descending Direction
  1. Image for Rockwool RW3 Insulation Slab
    Rockwool RW3 Insulation Slab
    £460.80
    Add to Wish List Add to Compare
  2. Knauf Dritherm Cavity Wall Slab 37 Standard
    Knauf Dritherm Cavity Wall Slab 37 Standard
    £19.44
    Add to Wish List Add to Compare
  3. Celotex CW4000 Cavity Wall Insulation Board
    Celotex CW4000 Cavity Wall Insulation Board
    £53.88
    Add to Wish List Add to Compare
  4. Image for Kingspan Cavity Wall Insulation Boards Thermawall TW50
    Kingspan Cavity Wall Insulation Boards Thermawall TW50
    £53.14
    Add to Wish List Add to Compare
  5. Image for Knauf Dritherm Cavity Wall Slab 32 Ultimate
    Knauf Dritherm Cavity Wall Slab 32 Ultimate
    £31.72
    Add to Wish List Add to Compare
  6. Image for Rockwool RW5 Insulation Slab
    Rockwool RW5 Insulation Slab
    £732.00
    Add to Wish List Add to Compare
  7. Thermaclass Cavity Wall 21 - 1190mm x 450mm
    Thermaclass Cavity Wall 21 - 1190mm x 450mm
    £1,346.34
    Add to Wish List Add to Compare
  8. Image for Knauf Dritherm Cavity Wall Slab 34 Super
    Knauf Dritherm Cavity Wall Slab 34 Super
    £1,294.80
    Add to Wish List Add to Compare
  9. Isover CWS 36 50mm x 1.2m x 0.455m (10.92m2) (20 P/Pal)
    Isover CWS 36 50mm x 1.2m x 0.455m (10.92m2) (20 P/Pal)
    £1,023.07
    Add to Wish List Add to Compare
  10. Isover CWS 36 65mm x 1.2m x 0.455m (8.74m2) (25 P/Pal)
    Isover CWS 36 65mm x 1.2m x 0.455m (8.74m2) (25 P/Pal)
    £1,324.67
    Add to Wish List Add to Compare
  11. Isover CWS 36 75mm x 1.2m x 0.455m (8.74m2) (20 P/Pal)
    Isover CWS 36 75mm x 1.2m x 0.455m (8.74m2) (20 P/Pal)
    £1,228.42
    Add to Wish List Add to Compare
  12. Isover CWS 36 85mm x 1.2m x 0.455m (6.55m2) (20 P/Pal)
    Isover CWS 36 85mm x 1.2m x 0.455m (6.55m2) (20 P/Pal)
    £1,034.06
    Add to Wish List Add to Compare
  13. Isover CWS 36 100mm x 1.2m x 0.455m (6.55m2) (20 P/Pal)
    Isover CWS 36 100mm x 1.2m x 0.455m (6.55m2) (20 P/Pal)
    £1,215.95
    Add to Wish List Add to Compare
  14. Isover CWS 36 150mm x 1.2m x 0.455m (3.28m2) (20 P/Pal)
    Isover CWS 36 150mm x 1.2m x 0.455m (3.28m2) (20 P/Pal)
    £910.13
    Add to Wish List Add to Compare
  15. Celotex CW4000 Cavity Wall Partition Insulation Board 100mm (6 per pack)
    Celotex CW4000 Cavity Wall Partition Insulation Board 100mm (6 per pack)
    £53.88
    Add to Wish List Add to Compare
  16. Image for Celotex CW4000 Cavity Wall Partition Insulation Board 50mm (10 per pack)
    Celotex CW4000 Cavity Wall Partition Insulation Board 50mm (11 per pack)
    £53.94
    Add to Wish List Add to Compare
  17. Celotex CW4000 Cavity Wall Partition Insulation Board 75mm (8 Per Pack)
    Celotex CW4000 Cavity Wall Partition Insulation Board 75mm (8 Per Pack)
    £57.48
    Add to Wish List Add to Compare
  18. Knauf Dritherm Cavity Wall Slab 37 455MM X 1200MM X 50MM
    Knauf Dritherm Cavity Wall Slab 37 455MM X 1200MM X 50MM
    £24.84
    Add to Wish List Add to Compare
  19. Celotex CW4000 Cavity Wall Partition Insulation Board 85mm (16 Packs)
    Celotex CW4000 Cavity Wall Partition Insulation Board 85mm (16 Packs)
    £1,115.16
    Add to Wish List Add to Compare
  20. Knauf Dritherm Cavity Wall Slab 37 Standard 65mm 455 X 1200mm (Pallet of 40 Packs)
    Knauf Dritherm Cavity Wall Slab 37 Standard 65mm 455 X 1200mm (Pallet of 40 Packs)
    £985.20
    Add to Wish List Add to Compare
  21. Image for ISOVER Insulation Acoustic Partition Wall Floor Roll (various sizes)
    ISOVER Insulation Acoustic Partition Wall Floor Roll (various sizes)
    £51.00
    Add to Wish List Add to Compare
  22. Image for Knauf Acoustic Partition Wall Roll
    Knauf Acoustic Partition Wall Roll
    £50.36
    Add to Wish List Add to Compare
  23. Image for Kingspan TW55 Thermawall Insulation Boards
    Kingspan TW55 Thermawall Steel/Timber Framing Boards - 1200 x 2400mm
    £132.00
    Add to Wish List Add to Compare
  24. Image for Rockwool RWA45 Acoustic Insulation Slab
    Rockwool RWA45 Acoustic Insulation Slab
    £25.44
    Add to Wish List Add to Compare
  25. Rockwool RW3 Insulation Slab 30mm x 1200mm x 600mm (12 Packs per Pallet)
    Rockwool RW3 Insulation Slab 30mm x 1200mm x 600mm (12 Packs per Pallet)
    £592.80
    Add to Wish List Add to Compare
  26. Image for Celotex TB4000 Insulation Board TB4025 (25mm)
    Celotex TB4000 Insulation Board TB4025 (25mm)
    £13.80
    Add to Wish List Add to Compare
  27. Image for Celotex TB4000 Insulation Board TB4030 (30mm)
    Celotex TB4000 Insulation Board TB4030 (30mm)
    £15.60
    Add to Wish List Add to Compare
  28. Image for Celotex TB4000 Insulation Board TB4040 (40mm)
    Celotex TB4000 Insulation Board TB4040 (40mm)
    £19.20
    Add to Wish List Add to Compare
  29. Celotex GA4050 Insulation Board 50mm
    Celotex GA4050 Insulation Board 50mm
    £20.40
    Add to Wish List Add to Compare
  30. Image for Celotex GA4070 Insulation Board 70mm
    Celotex GA4070 Insulation Board 70mm
    £28.20
    Add to Wish List Add to Compare
  31. Image for Celotex GA4075 Insulation Board 75mm
    Celotex GA4075 Insulation Board 75mm
    £29.40
    Add to Wish List Add to Compare
  32. Image for Celotex GA4080 Insulation Board 80mm
    Celotex GA4080 Insulation Board 80mm
    £32.40
    Add to Wish List Add to Compare
  33. Image for Celotex GA4090 Insulation Board 90mm
    Celotex GA4090 Insulation Board 90mm
    £36.00
    Add to Wish List Add to Compare
  34. Celotex GA4100 Insulation Board 100mm
    Celotex GA4100 Insulation Board 100mm
    £34.80
    Add to Wish List Add to Compare
  35. Image for Rockwool Flexi Insulation Slab (Multi Purpose)
    Rockwool Flexi Insulation Slab (Multi Purpose)
    £43.82
    Add to Wish List Add to Compare
  36. Image for Knauf Earthwool Flexible Insulation Slab
    Knauf Earthwool Flexible Insulation Slab - 1200 x 600mm
    £34.40
    Add to Wish List Add to Compare
  37. Celotex PL4000 Thermal Laminate Insulation Board-60mm + 12.5mm P/B
    Celotex PL4000 Thermal Laminate Insulation Board-60mm + 12.5mm P/B
    £57.24
    Add to Wish List Add to Compare
  38. Celotex PL4000 Thermal Laminate Insulation Board-50mm + 12.5mm P/B
    Celotex PL4000 Thermal Laminate Insulation Board-50mm + 12.5mm P/B
    £55.38
    Add to Wish List Add to Compare
  39. Image for Celotex PL4000 Thermal Laminate Insulation Board-40mm + 12.5mm P/B
    Celotex PL4000 Thermal Laminate Insulation Board-40mm + 12.5mm P/B
    £51.36
    Add to Wish List Add to Compare
  40. Celotex PL4000 Thermal Laminate Insulation Board-25mm + 12.5mm P/B
    Celotex PL4000 Thermal Laminate Insulation Board-25mm + 12.5mm P/B
    £41.28
    Add to Wish List Add to Compare
  41. SuperFOIL SFNC Non-Combustible Multi-Layer Foil Insulation 1.2 x 9.5m
    SuperFOIL SFNC Non-Combustible Multi-Layer Foil Insulation 1.2 x 9.5m
    £400.78
    Add to Wish List Add to Compare
  42. Image for SuperFOIL SF60 Multi-Layer Foil Insulation 1.5m x 8m Roll (12m2)
    SuperFOIL SF60 Multi-Layer Foil Insulation 1.5m x 8m Roll (12m2)
    £319.16
    Add to Wish List Add to Compare
  43. Image for SuperFOIL SF19 FR 1.5m x 10m Fire Rated Multifoil Insulation
    SuperFOIL SF19 FR 1.5m x 10m Fire Rated Multifoil Insulation
    £173.96
    Add to Wish List Add to Compare
  44. Image for SuperFOIL SF60 FR 1.5m x 8m Fire Rated Multifoil Insulation
    SuperFOIL SF60 1.5m x 8m Fire Rated Multifoil Insulation
    £283.03
    Add to Wish List Add to Compare
  45. SuperFOIL SF40BB Multifoil Breathable Insulation - 1.5m x 10m
    SuperFOIL SF40BB Multifoil Breathable Insulation - 1.5m x 10m
    £247.04
    Add to Wish List Add to Compare
  46. SuperFOIL SF19+ Multi-layer Thermal Insulation - 1.5m x 10m (15m2)
    SuperFOIL SF19+ Multi-layer Thermal Insulation - 1.5m x 10m (15m2)
    £160.07
    Add to Wish List Add to Compare
  47. SuperFOIL SF40 Multi-Layer Foil Insulation 1.5m x 10m Roll (15m2)
    SuperFOIL SF40 Multi-Layer Foil Insulation 1.5m x 10m Roll (15m2)
    £240.55
    Add to Wish List Add to Compare
  48. Image for SuperFOIL SF19BB Breathable Thermal Insulation 1.5m x 10m Roll - 15m2
    SuperFOIL SF19BB-15 Breathable Thermal Insulation 1.5m x 10m Roll - 15m2
    £176.44
    Add to Wish List Add to Compare
View as Grid List

Items 1-48 of 108

Page
per page
Set Descending Direction
Product Filtering
Shopping Options
Type
  1. Insulation 25item
Thickness
  1. 6mm 1 item
  2. 20mm 1 item
  3. 25mm 5item
  4. 30mm 6item
  5. 40mm 5item
  6. 50mm 8item
  7. 60mm 4item
  8. 65mm 1 item
  9. 70mm 5item
  10. 75mm 11item
  11. 80mm 5item
  12. 85mm 2item
  13. 90mm 5item
  14. 100mm 13item
  15. 110mm 2item
  16. 120mm 4item
  17. 125mm 1 item
  18. 150mm 7item
  19. 140mm 6item
  20. 200mm 1 item
  21. 165mm 1 item
Coverage
  1. 6.84m2 2item
  2. 10.26m2 1 item
  3. 3.42m2 3item
  4. 4.56m2 1 item
  5. 2.85m2 1 item
  6. 100m2 1 item
  7. 80m2 1 item
  8. 75m2 2item
  9. 2.88m2 30item
Material
  1. Polyisoboard 30item
  2. Polythene 4item
  3. Sheep Wool 5item
Finish
  1. Natural 5item
  2. White 2item
Type
  1. Sheep Wool Insulation 6item
  2. Vapour Control Layer 4item
Pack/Box Size
  1. 12 Per Pack 1 item
  2. 2 Per Pack 1 item
  3. 2 Rolls 1 item
  4. 3 Rolls 3item
Treatment
  1. Ionic Protect 6item
Plasterboard Width
  1. 1200mm 1 item
Plasterboard Length
  1. 2400mm 1 item
Insulation Pack Size
  1. 90mm x 4.5m x 1.14m (0.032 W/m) (24 Rolls) 1 item
  2. 90mm x 6m x 1.14m (0.035 W/m) (24 Packs) 1 item
  3. 90mm x 12.5m x 1.14m (0.040 W/m) (24 Packs) 1 item
  4. 140mm x 2.80m x 1.14m (0.032 W/m) (24 Rolls) 1 item
  5. 140mm x 3.90m x 1.14m (0.035 W/m) (24 Packs) 1 item
  6. 140mm x 8.02m x 1.14m (0.040 W/m) (24 Packs) 1 item
  7. 1170mm x 570mm x 90mm (0.038 W/mK) (16 Packs) 1 item
  8. 1170mm x 570mm x 140mm (0.032 W/mK) (16 Packs) 1 item
  9. 100mm x 6.8m x 1.2m (40 Rolls) 1 item
  10. 150mm x 4.55m x 1.2m (40 Rolls) 1 item
  11. 200mm x 3.4m x 1.2m (40 Rolls) 1 item
  12. 100mm x 5.2m x 1.2m (24 Rolls) 1 item
  13. 140mm x 4.2m x 1.2m (24 Rolls) 1 item
  14. 150mm x 3.5m x 1.2m (24 Rolls) 1 item
  15. 180mm x 3m x 1.2m (24 Rolls) 1 item
  16. 220mm x 2.5m x 1.2m (24 Rolls) 1 item
  17. 50mm x 1200mm x 400mm (36 Packs) 1 item
  18. 50mm x 1200mm x 600mm (24 Packs) 1 item
  19. 70mm x 1200mm x 600mm (32 Packs) 1 item
  20. 75mm x 1200mm x 600mm (32 Packs) 1 item
  21. 90mm x 1200mm x 600mm (36 Packs) 1 item
  22. 100mm x 1200mm x 400mm (42 Packs) 1 item
  23. 100mm x 1200mm x 600mm (32 Packs) 1 item
  24. 140mm x 1200mm x 400mm (48 Packs) 1 item
  25. 140mm x 1200mm x 600mm (36 Packs) 1 item
Colour
  1. Blue 1 item
  2. White 1 item
Width
  1. 1.6m 1 item
  2. 100mm 1 item
  3. 1200mm 30item
  4. 150cm 2item
  5. 2m 1 item
Pack Size
  1. 2 Rolls 2item
  2. 3 Rolls 3item
  3. 5kg 1 item
Insulation Type
  1. Roll 7item
  2. PIR Board 1 item
  3. Sheep Wool 2item
  4. Slab 29item
Insulation Length
  1. 1200mm 11item
  2. 8m 3item
  3. 10m 6item
  4. 2400mm 32item
  5. 50m 4item
  6. 200m 1 item
Width
  1. 75mm 1 item
  2. 380mm 3item
  3. 570mm 2item
  4. 1200mm 31item
  5. 1.50m 2item
  6. 1.6m 1 item
  7. 2m 1 item
Insulation Width
  1. 380mm 3item
  2. 450mm 5item
  3. 570mm 2item
  4. 1200mm 32item
  5. 1500mm 2item
  6. 1.6m 1 item
Height
  1. 100mm 1 item
  2. 150mm 2item
  3. 200mm 1 item
Thickness
  1. 25mm 5item
  2. 30mm 4item
  3. 40mm 4item
  4. 50mm 6item
  5. 60mm 4item
  6. 70mm 4item
  7. 75mm 10item
  8. 80mm 4item
  9. 90mm 4item
  10. 100mm 8item
  11. 110mm 2item
  12. 120mm 3item
  13. 130mm 1 item
  14. 140mm 5item
  15. 150mm 5item
  16. 200mm 1 item
  17. 165mm 1 item
  18. 125mm 1 item
Length
  1. 50 mm 1 item
  2. 1000mm 1 item
  3. 2400mm 31item
  4. 50m 3item
  5. 200m 1 item
Colour
  1. Blue 1 item
  2. White 2item
Product Brand
  1. Adaptavate 1 item
  2. Celotex 20item
  3. IKO 15item
  4. ISOVER 7item
  5. Kingspan 4item
  6. Knauf 21item
  7. Novia 4item
  8. Rockwool 5item
  9. SuperFOIL 9item
  10. Warmline 1 item
  11. Sheepwool 6item
  12. Tenmat 1 item
  13. Unilin 14item
Price
  1. £0.00 - £999.99 98item
  2. £1,000.00 - £1,999.99 9item
  3. £2,000.00 and above 1 item
Compare Products
  1. Remove This Item
Compare
Clear All
You have no items to compare.