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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. Thermaclass Cavity Wall 21 - 1190mm x 450mm
    Thermaclass Cavity Wall 21 - 1190mm x 450mm
    £1,266.00
  2. Celotex XR4200 200mm x 2.4m x 1.2m (Pallet of 12)
    Celotex XR4200 200mm x 2.4m x 1.2m (Pallet of 12)
    £1,196.28
  3. Celotex GA4000 Insulation Board - 1200 x 2400mm
    Celotex GA4000 Insulation Board - 1200 x 2400mm
    £23.99
  4. Ecotherm PIR Insulation Board - 1200 x 2400mm
    Ecotherm PIR Insulation Board - 1200 x 2400mm
    £19.32
  5. Image for Recticel PIR Insulation Board
    Recticel PIR Insulation Board - 1200 x 2400mm
    £18.30
  6. Image for Celotex TB4000 Insulation Board
    Celotex TB4000 Insulation Board - 1200 x 2400mm
    £16.74
  7. Celotex XR4000 Insulation Pitched Roof Board -1200 x 2400mm
    Celotex XR4000 Insulation Pitched Roof Board -1200 x 2400mm
    £54.00
  8. Kingspan TP10 140mm x 2.4m x 1.2m (2 Sh / 5.76m2)
    Kingspan TP10 140mm x 2.4m x 1.2m (2 Sh / 5.76m2)
    £242.24
  9. Kingspan TP10 130mm x 2.4m x 1.2m (2 Sh / 5.76m2)
    Kingspan TP10 130mm x 2.4m x 1.2m (2 Sh / 5.76m2)
    £218.40
  10. Kingspan TP10 125mm x 2.4m x 1.2m (2 Sh / 5.76m2)
    Kingspan TP10 125mm x 2.4m x 1.2m (2 Sh / 5.76m2)
    £199.42
  11. Kingspan TP10 110mm x 2.4m x 1.2m (3 Sh / 8.64m2)
    Kingspan TP10 110mm x 2.4m x 1.2m (3 Sh / 8.64m2)
    £231.18
  12. Kingspan TW55 Thermawall Steel/Timber Framing Boards 2.4m x 1.2m x 140mm (2 Boards per Pack)
    Kingspan TW55 Thermawall Steel/Timber Framing Boards 2.4m x 1.2m x 140mm (2 Boards per Pack)
    £242.24
  13. Kingspan Kooltherm Insulated Plasterboard K118
    Kingspan Kooltherm Insulated Plasterboard K118
    £1,207.32
  14. Kingspan TW55 Thermawall Steel/Timber Framing Boards - 1200 x 2400mm-125mm (2 Boards per Pack)
    Kingspan TW55 Thermawall Steel/Timber Framing Boards - 1200 x 2400mm-125mm (2 Boards per Pack)
    £199.42
  15. Kingspan TF70 20mm x 2.4m x 1.2m (15 Sh / 43.20m2)
    Kingspan TF70 20mm x 2.4m x 1.2m (15 Sh / 43.20m2)
    £381.25
  16. Kingspan TF70 110mm x 2.4m x 1.2m (3 Sh / 8.64m2)
    Kingspan TF70 110mm x 2.4m x 1.2m (3 Sh / 8.64m2)
    £231.18
  17. Kingspan TF70 125mm x 2.4m x 1.2m (2 Sh / 5.76m2)
    Kingspan TF70 125mm x 2.4m x 1.2m (2 Sh / 5.76m2)
    £199.42
  18. Kingspan TF70 130mm x 2.4m x 1.2m (2 Sh / 5.76m2)
    Kingspan TF70 130mm x 2.4m x 1.2m (2 Sh / 5.76m2)
    £218.40
  19. Kingspan TF70 140mm x 2.4m x 1.2m (2 Sh / 5.76m2)
    Kingspan TF70 140mm x 2.4m x 1.2m (2 Sh / 5.76m2)
    £242.24
  20. Image for Kingspan Cavity Wall Insulation Boards Thermawall TW50
    Kingspan Cavity Wall Insulation Boards Thermawall TW50
    £56.39
  21. Image for Kingspan Thermafloor Floor Insulation Board TF70
    Kingspan TF70 Thermafloor Floor Insulation Board - 1200 x 2400mm
    £155.56
  22. Image for Kingspan TW55 Thermawall Insulation Boards
    Kingspan TW55 Thermawall Steel/Timber Framing Boards - 1200 x 2400mm
    £155.56
  23. Celotex CW4000 Cavity Wall Insulation Board
    Celotex CW4000 Cavity Wall Insulation Board
    £58.14
  24. Image for Kingspan Kooltherm K3 Floorboard Insulation Phenolic
    Kingspan Kooltherm K103 Floorboard Insulation Phenolic
    £348.76
  25. Image for Kingspan TR26 Insulation Thermaroof
    Kingspan TR26 Insulation Thermaroof
    £198.98
  26. Image for Kingspan TR27 Insulation Thermaroof
    Kingspan TR27 Insulation Thermaroof
    £136.07
  27. Image for Kingspan Thermapitch Roof Insulation Boards TP10
    Kingspan TP10 Thermapitch Roof Insulation Boards - 1200 x 2400mm
    £155.56
  28. Celotex PL4000 Thermal Laminate Insulation Board
    Celotex PL4000 Thermal Laminate Insulation Board
    £40.08
  29. Ecotherm Eco-Versal 25mm x 2.4m x 1.2m
    Ecotherm Eco-Versal 25mm x 2.4m x 1.2m
    £19.32
  30. Ecotherm Eco-versal 30mm x 2.4m x 1.2m
    Ecotherm Eco-versal 30mm x 2.4m x 1.2m
    £26.16
  31. Ecotherm Eco-versal 40mm x 2.4m x 1.2m
    Ecotherm Eco-versal 40mm x 2.4m x 1.2m
    £30.22
  32. Ecotherm Eco-versal 50mm x 2.4m x 1.2m
    Ecotherm Eco-versal 50mm x 2.4m x 1.2m
    £28.66
  33. Ecotherm Eco-versal 60mm x 2.4m x 1.2m
    Ecotherm Eco-versal 60mm x 2.4m x 1.2m
    £39.70
  34. Ecotherm Eco-versal 70mm x 2.4m x 1.2m
    Ecotherm Eco-versal 70mm x 2.4m x 1.2m
    £44.83
  35. Ecotherm Eco-versal 75mm x 2.4m x 1.2m
    Ecotherm Eco-versal 75mm x 2.4m x 1.2m
    £41.86
  36. Ecotherm Eco-versal 80mm x 2.4m x 1.2m
    Ecotherm Eco-versal 80mm x 2.4m x 1.2m
    £52.64
  37. Ecotherm Eco-versal 90mm x 2.4m x 1.2m
    Ecotherm Eco-versal 90mm x 2.4m x 1.2m
    £51.32
  38. Ecotherm Eco-versal 100mm x 2.4m x 1.2m
    Ecotherm Eco-versal 100mm x 2.4m x 1.2m
    £47.21
  39. Ecotherm Eco-versal 120mm x 2.4m x 1.2m
    Ecotherm Eco-versal 120mm x 2.4m x 1.2m
    £63.32
  40. Ecotherm Eco-versal 130mm x 2.4m x 1.2m
    Ecotherm Eco-versal 130mm x 2.4m x 1.2m
    £83.15
  41. Ecotherm Eco-versal 140mm x 2.4m x 1.2m
    Ecotherm Eco-versal 140mm x 2.4m x 1.2m
    £87.88
  42. Ecotherm Eco-versal 150mm x 2.4m x 1.2m
    Ecotherm Eco-versal 150mm x 2.4m x 1.2m
    £75.32
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