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Insulation Board

Explore our selection of Insulation Board from industry leading brands.

What is Insulation Board?

Insulation board is undoubtedly one of the most well-known types of insulation. It provides advanced materials either in a uni-material board or combined. They fit reflective aluminium sheets to form especially high-performance Insulation board.

PU foam insulating material is amongst the very well-known choices. It is regarded as a vapor barrier as well as the moisture immunity, provided that every seam is taped with transparency insulation tape.

Benefits 

It offers advantages compared to traditional insulation materials like mineral wool slabs.

  • It’s a cost-effective way to prevent heat loss and cooling in your residence
  • It’s perfect for commercial and domestic projects
  • You can save a lot of money on energy bills and reduce heat loss considerably
  • It can prevent the risk of fire
  • It can help prevent mould, fungus, bacteria, vermin and other pests from building up in insulation spaces in your home
  • It’s versatile so can be used in any area of your home or project building
  • It covers a lot of space easily and quickly so therefore making it very cost effective 
  • It is used as a vapour and moisture barrier

Uses

By insulating your home with insulation board, you can save a lot of money on energy bills and reduce heat loss considerably.

It can be used in nearly any part of a building. This includes;

Check out our range of insulated plasterboard here!

Our Range 

Our Insulation Board is available in a variety of widths, depths and lengths to help you find the right insulation board for your project.

  • They are also available in a range of thicknesses from as thin as 12mm to as thick as 100mm insulation board and 200mm.
  • As our range includes products at various price points you are sure to find the right style to suit your budget

They are supplied from two of the biggest manufacturers. Kingspan and Celotex make up the bulk of our range. They have been providing quality products for years meaning their products hold a very good reputation.

  • Kingspan is a nationwide business which specialises in Insulation, making their products some of the most trustworthy on the market
  • Celotex supply many of the products we sell at Building Supplies Online. Their products are some of their most popular products

How to Install 

It can be easier to install and more flexible in its applications than traditional mineral wool slabs. It is rigid and can be cut to size to fit the cavity space or area where you want to install the insulation.

If you’re installing between rafters, follow these steps:

  • Before cutting the boards measure the space between the rafters as sizes and spacings will vary slightly
  • Using a sharp knife or fin-toothed saw cut the insulation boards to size
  • Fit the insulation flush with the bottom of the rafters. Make sure that it doesn’t fill the entire depth and ensure they are installed tightly between the rafters
  • Fill any left-over gaps with expanding foam sealant

What are the best insulation boards?

Labelling a specific insulation board the "best insulation board" would prove difficult as a lot of insulation boards are better suited to different situations. In the search for the best Insulation board, it would be best first to decide why you need the insulation.

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  1. Trisomet 333 Box Profile Composite Insulated Roof Panel - 1000/32 (Goosewing Grey) - 5m x 1m
    Trisomet 333 Box Profile Composite Insulated Roof Panel - 1000/32 (Goosewing Grey) - 5m x 1m
    £231.48
  2. Trisomet 333 Box Profile Composite Insulated Roof Panel - 1000/32 (Goosewing Grey) - 4m x 1m
    Trisomet 333 Box Profile Composite Insulated Roof Panel - 1000/32 (Goosewing Grey) - 4m x 1m
    £185.16
  3. Trisomet 333 Box Profile Composite Insulated Roof Panel - 1000/32 (Goosewing Grey) - 3.5m x 1m
    Trisomet 333 Box Profile Composite Insulated Roof Panel - 1000/32 (Goosewing Grey) - 3.5m x 1m
    £162.00
  4. Trisomet 333 Box Profile Composite Insulated Roof Panel - 1000/32 (Goosewing Grey) - 3m x 1m
    Trisomet 333 Box Profile Composite Insulated Roof Panel - 1000/32 (Goosewing Grey) - 3m x 1m
    £138.84
  5. Trisomet 333 Box Profile Composite Insulated Roof Panel - 1000/32 (Goosewing Grey) - 2.5m x 1m
    Trisomet 333 Box Profile Composite Insulated Roof Panel - 1000/32 (Goosewing Grey) - 2.5m x 1m
    £115.74
  6. Trisomet 333 Box Profile Composite Insulated Roof Panel - 1000/32 (Goosewing Grey) - All Sizes
    Trisomet 333 Box Profile Composite Insulated Roof Panel - 1000/32 (Goosewing Grey) - All Sizes
    £115.74
  7. High Density EPS 200E 90mm x 600mm x 1200mm (Pack of 6)
    High Density EPS 200E 90mm x 600mm x 1200mm (Pack of 6)
    £156.53
  8. High Density EPS 200E 80mm x 600mm x 1200mm (Pack of 7)
    High Density EPS 200E 80mm x 600mm x 1200mm (Pack of 7)
    £159.05
  9. High Density EPS 200E 60mm x 600mm x 1200mm (Pack of 10)
    High Density EPS 200E 60mm x 600mm x 1200mm (Pack of 10)
    £148.93
  10. High Density EPS 200E 50mm x 600mm x 1200mm (Pack of 12)
    High Density EPS 200E 50mm x 600mm x 1200mm (Pack of 12)
    £148.93
  11. High Density EPS 200E 40mm x 600mm x 1200mm (Pack of 15)
    High Density EPS 200E 40mm x 600mm x 1200mm (Pack of 15)
    £149.33
  12. High Density EPS 200E 30mm x 600mm x 1200mm (Pack of 20)
    High Density EPS 200E 30mm x 600mm x 1200mm (Pack of 20)
    £149.33
  13. High Density EPS 200E 20mm x 600mm x 1200mm (Pack of 30)
    High Density EPS 200E 20mm x 600mm x 1200mm (Pack of 30)
    £149.33
  14. High Density EPS 200E - All Sizes
    High Density EPS 200E - All Sizes
    £148.93
  15. Warmline PIR Insulated Plasterboard 1.2m x 2.4m - All Sizes
    Warmline PIR Insulated Plasterboard 1.2m x 2.4m - All Sizes
    Special Price £38.70 Regular Price £39.00
  16. Celotex CW4000 Cavity Wall Partition Insulation Board 100mm (6 per pack)
    Celotex CW4000 Cavity Wall Partition Insulation Board 100mm (6 per pack)
    £53.88
  17. Image for Celotex CW4000 Cavity Wall Partition Insulation Board 50mm (10 per pack)
    Celotex CW4000 Cavity Wall Partition Insulation Board 50mm (11 per pack)
    £53.16
  18. Celotex CW4000 Cavity Wall Partition Insulation Board 75mm (8 Per Pack)
    Celotex CW4000 Cavity Wall Partition Insulation Board 75mm (8 Per Pack)
    £54.84
  19. Celotex CW4000 Cavity Wall Insulation Board
    Celotex CW4000 Cavity Wall Insulation Board
    £53.16
  20. Image for Celotex TB4000 Insulation Board TB4025 (25mm)
    Celotex TB4000 Insulation Board TB4025 (25mm)
    £14.28
  21. Image for Celotex TB4000 Insulation Board TB4040 (40mm)
    Celotex TB4000 Insulation Board TB4040 (40mm)
    £20.46
  22. Celotex GA4050 Insulation Board 50mm
    Celotex GA4050 Insulation Board 50mm
    £20.99
  23. Image for Celotex GA4070 Insulation Board 70mm
    Celotex GA4070 Insulation Board 70mm
    £30.83
  24. Image for Celotex GA4075 Insulation Board 75mm
    Celotex GA4075 Insulation Board 75mm
    £29.88
  25. Image for Celotex GA4080 Insulation Board 80mm
    Celotex GA4080 Insulation Board 80mm
    £33.47
  26. Image for Celotex GA4090 Insulation Board 90mm
    Celotex GA4090 Insulation Board 90mm
    £35.99
  27. Celotex GA4100 Insulation Board 100mm
    Celotex GA4100 Insulation Board 100mm
    £35.66
  28. Image for Celotex XR4120 Insulation Pitched Roof Board 120mm
    Celotex XR4120 Insulation Pitched Roof Board 120mm
    £45.96
  29. Celotex XR4130 Insulation Pitched Roof Board 130mm
    Celotex XR4130 Insulation Pitched Roof Board 130mm
    £53.64
  30. Image for Celotex XR4150 Insulation Pitched Roof Board 150mm
    Celotex XR4150 Insulation Pitched Roof Board 150mm
    £53.94
  31. Celotex XR4110 Insulation Pitched Roof Board 110mm
    Celotex XR4110 Insulation Pitched Roof Board 110mm
    £45.41
  32. Steico Flex 036 Wood Fibre Insulation Batts - All Sizes
    Steico Flex 036 Wood Fibre Insulation Batts - All Sizes
    £34.44
  33. Steico Therm Wood Fibre Insulation Board - All Sizes
    Steico Therm Wood Fibre Insulation Board - All Sizes
    £5.30
  34. Steico Duo Dry Wood Fibre Internal/External Render Board (T&G) - All Sizes
    Steico Duo Dry Wood Fibre Internal/External Render Board (T&G) - All Sizes
    £25.44
  35. Steico Special Dry Wood Fibre Sarking/Sheathing Board - All Sizes
    Steico Special Dry Wood Fibre Sarking/Sheathing Board - All Sizes
    £34.66
  36. Steico Universal Wood Fibre Sarking/Sheathing Board - All Sizes
    Steico Universal Wood Fibre Sarking/Sheathing Board - All Sizes
    £16.73
  37. Steico Protect Dry M Wood Fibre Insulation Board 80mm x 1325mm x 600mm T&G
    Steico Protect Dry M Wood Fibre Insulation Board 80mm x 1325mm x 600mm T&G
    £28.56
  38. Celotex CW4000 Cavity Wall Partition Insulation Board 85mm (16 Packs)
    Celotex CW4000 Cavity Wall Partition Insulation Board 85mm (16 Packs)
    £1,038.00
  39. Recticel Eurowall + Full-Fill Cavity
    Recticel Eurowall+ Full-Fill Cavity
    £565.19
  40. Image for Celotex TB4000 Insulation Board TB4030 (30mm)
    Celotex TB4000 Insulation Board TB4030 (30mm)
    £16.92
  41. Celotex PL4000 Thermal Laminate Insulation Board-50mm + 12.5mm P/B
    Celotex PL4000 Thermal Laminate Insulation Board-50mm + 12.5mm P/B
    £56.66
  42. Image for Celotex PL4000 Thermal Laminate Insulation Board-40mm + 12.5mm P/B
    Celotex PL4000 Thermal Laminate Insulation Board-40mm + 12.5mm P/B
    £49.87
  43. Celotex PL4000 Thermal Laminate Insulation Board-25mm + 12.5mm P/B
    Celotex PL4000 Thermal Laminate Insulation Board-25mm + 12.5mm P/B
    £41.99
  44. Celotex GA4000 Insulation Board - 1200 x 2400mm
    Celotex GA4000 Insulation Board - 1200 x 2400mm
    £20.99
  45. Celotex PL4000 Thermal Laminate Insulation Board
    Celotex PL4000 Thermal Laminate Insulation Board
    £41.99
  46. Celotex TB4000 Insulation Board - 1200 x 2400mm
    Celotex TB4000 Insulation Board - 1200 x 2400mm
    £14.28
  47. Celotex XR4000 Insulation Pitched Roof Board -1200 x 2400mm
    Celotex XR4000 Insulation Pitched Roof Board -1200 x 2400mm
    £45.41
  48. Celotex XR4165 165mm x 2.4m x 1.2m (Pallet of 12)
    Celotex XR4165 165mm x 2.4m x 1.2m (Pallet of 12)
    £875.88
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