Celotex Insulation Board
Celotex insulation board helps to keep your building well insulated, ensuring minimal heat loss and maximum efficiency in terms of energy use. With options for a foil facing that acts as a vapor barrier and reflective surface, these insulation boards are manufactured from polyisocyanurate (PIR), which is a thermoset plastic in the form of foam.
Celotex insulation board is designed to be one of the thinnest insulation boards on the market, while still achieving premium levels of energy efficiency and U-values. U-values measure how well a material performs as an insulator, and they vary depending on where the product is used and what materials surround it.
We also stock:
Need some help choosing the right Celotex insulation board? Check out our handy guides below:
Products in Insulation Board:
Showing 1 - 24 of 24 products
![Celotex GA4075 General Purpose PIR Insulation Board - 2400 X 1200 X 75mm](https://static.prod.cmostores.com/uploads/products/1/l/celotex-ga4000-insulation-board-1567773022.jpg?&w=206&h=206&fit=fill&fill=solid&fillcolor=FFFFFF&q=50)
£29.40 incl VAT
You save: £1.80
Was:
£31.20
![Celotex GA4050 General Purpose PIR Insulation Board - 2400 X 1200 X 50mm](https://static.prod.cmostores.com/uploads/products/1/l/celotex-ga4000-insulation-board-1567772668.jpg?&w=206&h=206&fit=fill&fill=solid&fillcolor=FFFFFF&q=50)
£20.40 incl VAT
You save: £1.20
Was:
£21.60
![Celotex TB4025 General Purpose PIR Insulation Board - 2400 X 1200 X 25mm](https://static.prod.cmostores.com/uploads/products/1/l/celotex-tb4000-insulation-board-1567775586.jpg?&w=206&h=206&fit=fill&fill=solid&fillcolor=FFFFFF&q=50)
£13.80 incl VAT
You save: £0.60
Was:
£14.40
![Celotex XR4150 General Purpose PIR Insulation Board - 2400 X 1200 X 150mm](https://static.prod.cmostores.com/uploads/products/1/l/celotex-xr4000-insulation-board-1567771603.jpg?&w=206&h=206&fit=fill&fill=solid&fillcolor=FFFFFF&q=50)
£52.80 incl VAT
You save: £3.00
Was:
£55.80
![Celotex XR4120 General Purpose PIR Insulation Board - 2400 X 1200 X 120mm](https://static.prod.cmostores.com/uploads/products/1/l/celotex-xr4000-insulation-board-1567771271.jpg?&w=206&h=206&fit=fill&fill=solid&fillcolor=FFFFFF&q=50)
£45.60 incl VAT
You save: £0.60
Was:
£46.20
![Celotex GA4090 General Purpose PIR Insulation Board - 2400 X 1200 X 90mm](https://static.prod.cmostores.com/uploads/products/1/l/celotex-ga4000-insulation-board-1567773189.jpg?&w=206&h=206&fit=fill&fill=solid&fillcolor=FFFFFF&q=50)
£36.00 incl VAT
You save: £0.60
Was:
£36.60
![Celotex GA4070 General Purpose PIR Insulation Board - 2400 X 1200 X 70mm](https://static.prod.cmostores.com/uploads/products/1/l/celotex-ga4000-insulation-board-1567772914.jpg?&w=206&h=206&fit=fill&fill=solid&fillcolor=FFFFFF&q=50)
£28.20 incl VAT
You save: £1.20
Was:
£29.40
![Celotex TB4040 General Purpose PIR Insulation Board - 2400 X 1200 X 40mm](https://static.prod.cmostores.com/uploads/products/1/l/celotex-tb4000-insulation-board-1567775845.jpg?&w=206&h=206&fit=fill&fill=solid&fillcolor=FFFFFF&q=50)
£19.20 incl VAT
You save: £0.60
Was:
£19.80
![Celotex GA4080 General Purpose PIR Insulation Board - 2400 X 1200 X 80mm](https://static.prod.cmostores.com/uploads/products/1/l/celotex-ga4000-insulation-board-1567773094.jpg?&w=206&h=206&fit=fill&fill=solid&fillcolor=FFFFFF&q=50)
£32.40 incl VAT
You save: £0.60
Was:
£33.00
![Celotex XR4140 General Purpose PIR Insulation Board - 2400 X 1200 X 140mm](https://static.prod.cmostores.com/uploads/products/1/l/celotex-xr4000-insulation-board-1567771557.jpg?&w=206&h=206&fit=fill&fill=solid&fillcolor=FFFFFF&q=50)
£52.80 incl VAT
You save: £1.80
Was:
£54.60
![Celotex GA4060 General Purpose PIR Insulation Board - 2400 X 1200 X 60mm](https://static.prod.cmostores.com/uploads/products/1/l/celotex-ga4000-insulation-board-1567772808.jpg?&w=206&h=206&fit=fill&fill=solid&fillcolor=FFFFFF&q=50)
£26.40 incl VAT
You save: £1.20
Was:
£27.60
![Celotex TB4030 General Purpose PIR Insulation Board - 2400 X 1200 X 30mm](https://static.prod.cmostores.com/uploads/products/1/l/celotex-tb4000-insulation-board-1567775760.jpg?&w=206&h=206&fit=fill&fill=solid&fillcolor=FFFFFF&q=50)
£15.60 incl VAT
You save: £0.60
Was:
£16.20
![Celotex TB4020 General Purpose PIR Insulation Board - 2400 X 1200 X 20mm](https://static.prod.cmostores.com/uploads/products/1/l/celotex-tb4000-insulation-board-1567775586.jpg?&w=206&h=206&fit=fill&fill=solid&fillcolor=FFFFFF&q=50)
£14.40 incl VAT
You save: £0.60
Was:
£15.00
![Celotex XR4130 General Purpose PIR Insulation Board - 2400 X 1200 X 130mm](https://static.prod.cmostores.com/uploads/products/1/l/celotex-xr4000-insulation-board-1567771406.jpg?&w=206&h=206&fit=fill&fill=solid&fillcolor=FFFFFF&q=50)
£52.20 incl VAT
You save: £2.40
Was:
£54.60
![Celotex XR4110 General Purpose PIR Insulation Board - 2400 X 1200 X 110mm](https://static.prod.cmostores.com/uploads/products/1/l/celotex-xr4000-insulation-board-1567771168.jpg?&w=206&h=206&fit=fill&fill=solid&fillcolor=FFFFFF&q=50)
£45.00 incl VAT
You save: £0.60
Was:
£45.60
![Celotex XR4200 General Purpose PIR Insulation Board - 2400 X 1200 X 200mm](https://static.prod.cmostores.com/uploads/products/1/l/celotex-xr4000-insulation-board-1567771745.jpg?&w=206&h=206&fit=fill&fill=solid&fillcolor=FFFFFF&q=50)
£102.00 incl VAT
You save: £8.40
Was:
£110.40
![Celotex XR4165 General Purpose PIR Insulation Board - 2400 X 1200 X 165mm](https://static.prod.cmostores.com/uploads/products/1/l/celotex-xr4000-insulation-board-1567771672.jpg?&w=206&h=206&fit=fill&fill=solid&fillcolor=FFFFFF&q=50)
£84.00 incl VAT
You save: £7.20
Was:
£91.20
Showing 1-24 of 24