Celotex Wall Insulation

Our Celotex wall insulation sheets comply perfectly with the thermal requirements of building regulations and can meet the demands of all builders. Celotex is the UK’s top brand for providing insulation materials for building and construction so we are proud to offer you their high-quality wall insulation boards for a great value price. We have a large range of Celotex wall insulation boards available, with thicknesses ranging from 25mm to 200mm, most of which will cover an area of 2.88m² per board. 

Which type of Celotex wall insulation you should choose depends on your particular needs. If your main motivation is reduced energy bills, our PIR boards are the best option for you. To overcome cold spots in a building, you should take a look at our multi-purpose insulation boards. Our insulated plasterboard will allow you to undertake two steps at once by combining insulation boards and plasterboard for installation at the same time so if your project is short on time, this may be the right option for you.

In addition to improving the thermal qualities of the building to reduce heat loss and heat gain, Celotex wall insulation boards will also reduce noise, which is particularly important in flats and terraced properties. Recommended products include Celotex Solid Wall Thermal PIR Insulation, External and Internal Wall Insulation Boards, and Celotex High-Performance Wall Insulation.

If you’d like more information on our products or to discuss your best options for your insulation project, get in touch with our team on 020 3582 6399 or get in touch via the Live Chat .

Celotex GA4000 General Purpose PIR Insulation Board 2.4m x 1.2m (All Sizes)
Celotex GA4000 General Purpose PIR Insulation Board 2.4m x 1.2m (All Sizes) Floor Insulation
Vendor
Celotex
Regular price
from £13.22 £15.86
Sale price
from £13.22 £15.86
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£0.00
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Celotex 50mm GA4050 2.4m x 1.2m
Celotex 50mm GA4050 2.4m x 1.2m Floor Insulation
Vendor
Celotex
Regular price
£19.43 £23.32
Sale price
£19.43 £23.32
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£0.00
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Celotex 100mm GA4100 2.4m x 1.2m | 100mm Celotex
Celotex 100mm GA4100 2.4m x 1.2m | 100mm Celotex Floor Insulation
Vendor
Celotex
Regular price
£31.67 £38.00
Sale price
£31.67 £38.00
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£0.00
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Celotex 25mm TB4025 2.4m x 1.2m
Celotex 25mm TB4025 2.4m x 1.2m Floor Insulation
Vendor
Celotex
Regular price
£13.22 £15.86
Sale price
£13.22 £15.86
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£0.00
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per 
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Celotex PL4000 Insulated Plasterboard (All Sizes) 2.4m x 1.2m
Celotex PL4000 Insulated Plasterboard (All Sizes) 2.4m x 1.2m Floor Insulation
Vendor
Celotex
Regular price
from £38.28 £45.94
Sale price
from £38.28 £45.94
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£0.00
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per 
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75mm Celotex GA4075 2.4m x 1.2m
75mm Celotex GA4075 2.4m x 1.2m Floor Insulation
Vendor
Celotex
Regular price
£27.67 £33.20
Sale price
£27.67 £33.20
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£0.00
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Celotex TB4000 Insulation Board 1.2m x 2.4m - 25mm to 40mm
Celotex TB4000 Insulation Board 1.2m x 2.4m - 25mm to 40mm Floor Insulation
Vendor
Celotex
Regular price
from £13.22 £15.86
Sale price
from £13.22 £15.86
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£0.00
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per 
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Celotex 120mm XR4120 2.4m x 1.2m
Celotex 120mm XR4120 2.4m x 1.2m Floor Insulation
Vendor
Celotex
Regular price
£42.22 £50.66
Sale price
£42.22 £50.66
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£0.00
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150mm Celotex XR4150 2.4m X 1.2m | Celotex 150mm
150mm Celotex XR4150 2.4m X 1.2m | Celotex 150mm Floor Insulation
Vendor
Celotex
Regular price
£49.94 £59.93
Sale price
£49.94 £59.93
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£0.00
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Celotex XR4000 Insulation Board 1.2m x 2.4m - 110mm to 200mm
Celotex XR4000 Insulation Board 1.2m x 2.4m - 110mm to 200mm Loft Insulation
Vendor
Celotex
Regular price
from £42.04 £50.45
Sale price
from £42.04 £50.45
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£0.00
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Celotex 40mm TB4040 2.4m x 1.2m
Celotex 40mm TB4040 2.4m x 1.2m Floor Insulation
Vendor
Celotex
Regular price
£18.89 £22.67
Sale price
£18.89 £22.67
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£0.00
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per 
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70mm Celotex GA4070 2.4m x 1.2m
70mm Celotex GA4070 2.4m x 1.2m Floor Insulation
Vendor
Celotex
Regular price
£28.33 £34.00
Sale price
£28.33 £34.00
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£0.00
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per 
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90mm Celotex GA4090 2.4m x 1.2m
90mm Celotex GA4090 2.4m x 1.2m Floor Insulation
Vendor
Celotex
Regular price
£33.32 £39.98
Sale price
£33.32 £39.98
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£0.00
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per 
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Celotex 60mm GA4060 2.4m x 1.2m
Celotex 60mm GA4060 2.4m x 1.2m Floor Insulation
Vendor
Celotex
Regular price
£25.44 £30.53
Sale price
£25.44 £30.53
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£0.00
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Celotex PL4025 37.5mm 2.4m x 1.2m
Celotex PL4025 37.5mm 2.4m x 1.2m Wall Insulation
Vendor
Celotex
Regular price
£38.28 £45.94
Sale price
£38.28 £45.94
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£0.00
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Celotex 30mm TB4030 2.4m x 1.2m
Celotex 30mm TB4030 2.4m x 1.2m Floor Insulation
Vendor
Celotex
Regular price
£15.56 £18.67
Sale price
£15.56 £18.67
Regular price
£0.00
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per 
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80mm Celotex GA4080 2.4m x 1.2m
80mm Celotex GA4080 2.4m x 1.2m Floor Insulation
Vendor
Celotex
Regular price
£30.99 £37.19
Sale price
£30.99 £37.19
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£0.00
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per 
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Celotex PL4050 62.5mm 2.4m x 1.2m
Celotex PL4050 62.5mm 2.4m x 1.2m Wall Insulation
Vendor
Celotex
Regular price
£51.06 £61.27
Sale price
£51.06 £61.27
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£0.00
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per 
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Celotex PL4040 52.5mm 2.4m x 1.2m
Celotex PL4040 52.5mm 2.4m x 1.2m Wall Insulation
Vendor
Celotex
Regular price
£45.39 £54.47
Sale price
£45.39 £54.47
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£0.00
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Celotex PL4060 72.5mm 2.4m x 1.2m
Celotex PL4060 72.5mm 2.4m x 1.2m Wall Insulation
Vendor
Celotex
Regular price
£56.50 £67.80
Sale price
£56.50 £67.80
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£0.00
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140mm Celotex XR4140 Insulation Board 2.4m x 1.2m
140mm Celotex XR4140 Insulation Board 2.4m x 1.2m Floor Insulation
Vendor
Celotex
Regular price
£49.94 £59.93
Sale price
£49.94 £59.93
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£0.00
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per 
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12mm Celotex TB4012 2.4m x 1.2m
12mm Celotex TB4012 2.4m x 1.2m Floor Insulation
Vendor
Celotex
Regular price
£0.00 £0.00
Sale price
£0.00 £0.00
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£0.00
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Celotex 20mm TB4020 2.4m x 1.2m
Celotex 20mm TB4020 2.4m x 1.2m Wall Insulation
Vendor
Celotex
Regular price
£17.17 £20.60
Sale price
£17.17 £20.60
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£0.00
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130mm Celotex XR4130 2.4m x 1.2m
130mm Celotex XR4130 2.4m x 1.2m Floor Insulation
Vendor
Celotex
Regular price
£49.67 £59.60
Sale price
£49.67 £59.60
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£0.00
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per 
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Celotex 110mm XR4110 2.4m x 1.2m
Celotex 110mm XR4110 2.4m x 1.2m Floor Insulation
Vendor
Celotex
Regular price
£42.04 £50.45
Sale price
£42.04 £50.45
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£0.00
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per 
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Celotex 165mm XR4165 2.4m x 1.2m (Pallet of 12)
Celotex 165mm XR4165 2.4m x 1.2m (Pallet of 12) Wall Insulation
Vendor
Celotex
Regular price
£797.78 £957.34
Sale price
£797.78 £957.34
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£0.00
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per 
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Celotex XR4200 200mm x 2.4m x 1.2m (Pallet of 12)
Celotex XR4200 200mm x 2.4m x 1.2m (Pallet of 12) Loft Insulation
Vendor
Celotex
Regular price
£1,053.33 £1,264.00
Sale price
£1,053.33 £1,264.00
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£0.00
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  • Celotex, a prominent name in the realm of insulation, provides a comprehensive range of high-performance Polyisocyanurate (PIR) insulation boards suitable for a wide array of applications, ensuring optimal thermal performance. Whether your project involves new-build or refurbishment, Celotex wall insulation boards assure consistent and reliable quality.

    General Purpose Insulation Boards

    Celotex GA4000 Series

    These versatile boards, including variations like GA4050 (50mm), GA4070 (70mm), and GA4100 (100mm), are devised to cater to an array of general insulation purposes and are applicable for roof, wall, and floor insulation. With their dependable thermal performance and lightweight, easy-to-handle character, the GA4000 series is a favourite for a varied range of projects, ensuring reliable, long-term energy savings.

    Celotex TB4000 Series

    The TB4000 series, inclusive of TB4025 (25mm) and TB4030 (30mm), is especially adept for eliminating thermal bridges, ensuring your construction meets or exceeds the UK’s current building regulations. These slimline boards are an impeccable solution where thinner insulation boards are requisite, ensuring that necessary U-values are achieved without compromising on space.

    XR4000 Series: For Enhanced Thickness Options

    Celotex XR4000 series provides an enhanced PIR insulation solution, offering greater thickness options with boards like XR4120 (120mm) and XR4140 (140mm). Ideal for projects requiring a higher R-value, this series ensures robust insulation with minimal product thickness, suitable for walls, floors, and pitched roofs.

    Super-Thick Insulation Solutions

    Celotex XR4000 & XR4200

    When thermal performance is crucial, and thickness is not a constraint, options like XR4165 (165mm) and XR4200 (200mm) come into play. Suited for larger constructions or harsh climatic conditions, these solutions allow architects and builders to achieve exceptionally high R-values, ensuring optimal energy efficiency.

    Selecting the Appropriate Celotex Wall Insulation

    For General Applications: GA4000 is often a go-to, due to its broad usability and reliable thermal performance.

    Reducing Thermal Bridging: Choose TB4000 to meet robust building standards without expanding the insulation thickness.

    Maximised Thermal Efficiency: The XR4000 series becomes pertinent when thicker insulation is imperative for heightened thermal efficiency.

    Internal Wall Insulation: For applications where you wish to insulate from the inside, the PL4000 series offers a straightforward, combined solution of plasterboard and insulation.

    Read More
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