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Celotex Insulation Board

Celotex insulation board is designed to be one of the thinnest insulation boards on the market. Though thin, they achieve premium energy efficiency levels and U-values. With options like foil facing, this covering acts as a vapour barrier and reflective surface. The boards are also manufactured from polyisocyanurate (PIR), a thermoset plastic in the form of foam. 

A leading brand of insulating material, Celotex insulation boards help keep your building well insulated, minimising heat loss and maximising efficiency in terms of energy use. So you're able to enjoy fantastic heating benefits and minimise heating costs. 

Explore our wide range of Celotex insulation boards below at Insulation Superstore. Learn about different sizes and thicknesses to ensure you have the right insulation board for your requirements. You can also contact our excellent customer service team for further advice via our helpline or chat box in the bottom right for support.

Don't forget these when installing your new Celotex insulation boards:

Need some help choosing the right Celotex insulation board? Check out our handy guides below:

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Products in Insulation Board:

Showing 1 - 28 of 28 products

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Celotex GA4100 General Purpose PIR Insulation Board - 2400 X 1200 X 100mm

Celotex GA4100 General Purpose PIR Insulation Board - 2400 X 1200 X 100mm

GA4100

SKU

GA4100

£35.40 Incl. VAT £29.50 Ex. VAT
£0.00 Incl. VAT £0.00 Ex. VAT
Celotex GA4075 General Purpose PIR Insulation Board - 2400 X 1200 X 75mm

Celotex GA4075 General Purpose PIR Insulation Board - 2400 X 1200 X 75mm

GA4075

SKU

GA4075

£28.80 Incl. VAT £24.00 Ex. VAT
£0.00 Incl. VAT £0.00 Ex. VAT
Celotex GA4050 General Purpose PIR Insulation Board - 2400 X 1200 X 50mm

Celotex GA4050 General Purpose PIR Insulation Board - 2400 X 1200 X 50mm

GA4050

SKU

GA4050

£21.00 Incl. VAT £17.50 Ex. VAT
£0.00 Incl. VAT £0.00 Ex. VAT
Celotex TB4025 General Purpose PIR Insulation Board - 2400 X 1200 X 25mm

Celotex TB4025 General Purpose PIR Insulation Board - 2400 X 1200 X 25mm

TB4025

SKU

TB4025

£14.40 Incl. VAT £12.00 Ex. VAT
£0.00 Incl. VAT £0.00 Ex. VAT
Celotex XR4150 General Purpose PIR Insulation Board - 2400 X 1200 X 150mm

Celotex XR4150 General Purpose PIR Insulation Board - 2400 X 1200 X 150mm

XR4150

SKU

XR4150

£54.00 Incl. VAT £45.00 Ex. VAT
£0.00 Incl. VAT £0.00 Ex. VAT
Celotex GA4090 General Purpose PIR Insulation Board - 2400 X 1200 X 90mm

Celotex GA4090 General Purpose PIR Insulation Board - 2400 X 1200 X 90mm

GA4090

SKU

GA4090

£36.60 Incl. VAT £30.50 Ex. VAT
£0.00 Incl. VAT £0.00 Ex. VAT
Celotex XR4120 General Purpose PIR Insulation Board - 2400 X 1200 X 120mm

Celotex XR4120 General Purpose PIR Insulation Board - 2400 X 1200 X 120mm

XR4120

SKU

XR4120

£45.00 Incl. VAT £37.50 Ex. VAT
£0.00 Incl. VAT £0.00 Ex. VAT
Celotex GA4070 General Purpose PIR Insulation Board - 2400 X 1200 X 70mm

Celotex GA4070 General Purpose PIR Insulation Board - 2400 X 1200 X 70mm

GA4070

SKU

GA4070

£30.00 Incl. VAT £25.00 Ex. VAT
£0.00 Incl. VAT £0.00 Ex. VAT
Celotex XR4140 General Purpose PIR Insulation Board - 2400 X 1200 X 140mm

Celotex XR4140 General Purpose PIR Insulation Board - 2400 X 1200 X 140mm

XR4140

SKU

XR4140

£55.20 Incl. VAT £46.00 Ex. VAT
£0.00 Incl. VAT £0.00 Ex. VAT
Celotex GA4060 General Purpose PIR Insulation Board - 2400 X 1200 X 60mm

Celotex GA4060 General Purpose PIR Insulation Board - 2400 X 1200 X 60mm

GA4060

SKU

GA4060

£26.40 Incl. VAT £22.00 Ex. VAT
£0.00 Incl. VAT £0.00 Ex. VAT
Celotex TB4020 General Purpose PIR Insulation Board - 2400 X 1200 X 20mm

Celotex TB4020 General Purpose PIR Insulation Board - 2400 X 1200 X 20mm

CELOTEX-TB4020

SKU

CELOTEX-TB4020

£15.00 Incl. VAT £12.50 Ex. VAT
£0.00 Incl. VAT £0.00 Ex. VAT
Celotex TB4040 General Purpose PIR Insulation Board - 2400 X 1200 X 40mm

Celotex TB4040 General Purpose PIR Insulation Board - 2400 X 1200 X 40mm

TB4040

SKU

TB4040

£20.40 Incl. VAT £17.00 Ex. VAT
£0.00 Incl. VAT £0.00 Ex. VAT
Celotex Thermaclass Full Fill Cavity Wall 21 PIR Board 1190mm x 450mm x 90mm - 3.21m2 Pack

Celotex Thermaclass Full Fill Cavity Wall 21 PIR Board 1190mm x 450mm x 90mm - 3.21m2 Pack

000617-TC1090

SKU

000617-TC1090

£96.00 Incl. VAT £80.00 Ex. VAT
£0.00 Incl. VAT £0.00 Ex. VAT
Celotex GA4080 General Purpose PIR Insulation Board - 2400 X 1200 X 80mm

Celotex GA4080 General Purpose PIR Insulation Board - 2400 X 1200 X 80mm

GA4080

SKU

GA4080

£32.40 Incl. VAT £27.00 Ex. VAT
£0.00 Incl. VAT £0.00 Ex. VAT
Celotex XR4110 General Purpose PIR Insulation Board - 2400 X 1200 X 110mm

Celotex XR4110 General Purpose PIR Insulation Board - 2400 X 1200 X 110mm

XR4110

SKU

XR4110

£45.00 Incl. VAT £37.50 Ex. VAT
£0.00 Incl. VAT £0.00 Ex. VAT
Celotex Thermaclass Full Fill Cavity Wall 21 PIR Board 1190mm x 450mm x 115mm - 2.675m2 Pack

Celotex Thermaclass Full Fill Cavity Wall 21 PIR Board 1190mm x 450mm x 115mm - 2.675m2 Pack

000617-TC1115

SKU

000617-TC1115

£96.00 Incl. VAT £80.00 Ex. VAT
£0.00 Incl. VAT £0.00 Ex. VAT
Celotex CW4100 Cavity Wall Insulation Board 1200mm x 450 x 100mm - 3.24m2 Pack

Celotex CW4100 Cavity Wall Insulation Board 1200mm x 450 x 100mm - 3.24m2 Pack

CW4100

SKU

CW4100

£54.00 Incl. VAT £45.00 Ex. VAT
£0.00 Incl. VAT £0.00 Ex. VAT
Celotex XR4130 General Purpose PIR Insulation Board - 2400 X 1200 X 130mm

Celotex XR4130 General Purpose PIR Insulation Board - 2400 X 1200 X 130mm

XR4130

SKU

XR4130

£52.80 Incl. VAT £44.00 Ex. VAT
£0.00 Incl. VAT £0.00 Ex. VAT
Celotex TB4030 General Purpose PIR Insulation Board - 2400 X 1200 X 30mm

Celotex TB4030 General Purpose PIR Insulation Board - 2400 X 1200 X 30mm

TB4030

SKU

TB4030

£16.80 Incl. VAT £14.00 Ex. VAT
£0.00 Incl. VAT £0.00 Ex. VAT
Celotex XR4165 General Purpose PIR Insulation Board - 2400 X 1200 X 165mm

Celotex XR4165 General Purpose PIR Insulation Board - 2400 X 1200 X 165mm

XR4165

SKU

XR4165

£75.00 Incl. VAT £62.50 Ex. VAT
£0.00 Incl. VAT £0.00 Ex. VAT
Celotex XR4200 General Purpose PIR Insulation Board - 2400 X 1200 X 200mm

Celotex XR4200 General Purpose PIR Insulation Board - 2400 X 1200 X 200mm

XR4200

SKU

XR4200

£96.00 Incl. VAT £80.00 Ex. VAT
£0.00 Incl. VAT £0.00 Ex. VAT
Celotex CW4050 Cavity Wall Insulation Board 1200 x 450 x 50mm - 5.94m2 Pack

Celotex CW4050 Cavity Wall Insulation Board 1200 x 450 x 50mm - 5.94m2 Pack

CW4050

SKU

CW4050

£54.60 Incl. VAT £45.50 Ex. VAT
£0.00 Incl. VAT £0.00 Ex. VAT
Celotex CW4075 Cavity Wall Insulation Board 1200 x 450 x 75mm- 4.32m2 Pack

Celotex CW4075 Cavity Wall Insulation Board 1200 x 450 x 75mm- 4.32m2 Pack

CW4075

SKU

CW4075

£52.80 Incl. VAT £44.00 Ex. VAT
£0.00 Incl. VAT £0.00 Ex. VAT
Celotex 60mm Cavity Wall Insulation Board CW4060 1.2m x 450mm - 5.4m2 Pack

Celotex 60mm Cavity Wall Insulation Board CW4060 1.2m x 450mm - 5.4m2 Pack

CW4060

SKU

CW4060

£63.60 Incl. VAT £53.00 Ex. VAT
£0.00 Incl. VAT £0.00 Ex. VAT
Celotex XR4200 General Purpose PIR Insulation Board 2400 X 1200 X 200mm - 34.56m2 Pallet

Celotex XR4200 General Purpose PIR Insulation Board 2400 X 1200 X 200mm - 34.56m2 Pallet

XR4200-P

SKU

XR4200-P

£1,128.00 Incl. VAT £940.00 Ex. VAT
£0.00 Incl. VAT £0.00 Ex. VAT
Celotex 40mm Cavity Wall Insulation Board CW4040 1.2m x 450mm - 7.56m2 Pack

Celotex 40mm Cavity Wall Insulation Board CW4040 1.2m x 450mm - 7.56m2 Pack

CW4040

SKU

CW4040

£66.00 Incl. VAT £55.00 Ex. VAT
£0.00 Incl. VAT £0.00 Ex. VAT
SKU295286
Celotex Thermaclass Full Fill Cavity Wall 21 PIR Board 1190mm x 450mm x 115mm - 42.84m2 Pallet
£1,500.00 Incl. VAT£1,250.00Ex. VAT
£0.00 Incl. VAT
SKU295287
Celotex Thermaclass Full Fill Cavity Wall 21 PIR Board 1190mm x 450mm x 90mm - 51.4m2 Pallet
£1,440.00 Incl. VAT£1,200.00Ex. VAT
£0.00 Incl. VAT
SKU295294
Celotex Thermaclass Full Fill Cavity Wall 21 PIR Board 1190mm x 450mm x 140mm - 34.27m2 Pallet
£1,470.00 Incl. VAT£1,225.00Ex. VAT
£0.00 Incl. VAT
Celotex XR4165 General Purpose PIR Insulation Board 2400 X 1200 X 165mm - 34.56m2 Pallet

Celotex XR4165 General Purpose PIR Insulation Board 2400 X 1200 X 165mm - 34.56m2 Pallet

XR4165-P

SKU

XR4165-P

£876.00 Incl. VAT £730.00 Ex. VAT
£0.00 Incl. VAT £0.00 Ex. VAT

Showing 1-28 of 28