Collection: SopraTherm
Elevate your insulation standards with SopraTherm, a leading name in advanced thermal solutions. At Insulation4Less, our SopraTherm collection offers high-performance insulation boards tailored for walls, roofs, and floors. Known for their exceptional thermal efficiency and environmental friendliness, SopraTherm products are ideal for both new builds and refurbishments. With a range of thicknesses and sizes, SopraTherm ensures your project meets energy-saving objectives effortlessly. Make a smart choice for a sustainable future with SopraTherm. Browse our range below.
Collection: SopraTherm
Elevate your insulation standards with SopraTherm, a leading name in advanced thermal solutions. At Insulation4Less, our SopraTherm collection offers high-performance insulation boards tailored for walls, roofs, and floors. Known for their exceptional thermal efficiency and environmental friendliness, SopraTherm products are ideal for both new builds and refurbishments. With a range of thicknesses and sizes, SopraTherm ensures your project meets energy-saving objectives effortlessly. Make a smart choice for a sustainable future with SopraTherm. Browse our range below.
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Express Delivery
25mm Celotex TB4025 | SopraTherm TB4025 2.4m x 1.2m
Vendor:SoprathermStandardFree Delivery over £350£420Regular price £13.94 £16.73 -
Express Delivery
30mm Celotex TB4030 | SopraTherm TB4030 2.4m x 1.2m
Vendor:SoprathermStandardFree Delivery over £350£420Regular price £16.70 £20.04 -
Express Delivery
40mm Celotex TB4040 | SopraTherm TB4040 2.4m x 1.2m
Vendor:SoprathermStandardFree Delivery over £350£420Regular price £20.31 £24.37 -
Express Delivery
50mm Celotex GA4050 | SopraTherm GA4050 2.4m x 1.2m
Vendor:SoprathermStandardFree Delivery over £350£420Regular price £21.50 £25.80 -
Express Delivery
60mm Celotex GA4060 | SopraTherm GA4060 2.4m x 1.2m
Vendor:SoprathermStandardFree Delivery over £350£420Regular price £26.30 £31.56 -
Express Delivery
70mm Celotex GA4070 | SopraTherm GA4070 2.4m x 1.2m
Vendor:SoprathermStandardFree Delivery over £350£420Regular price £29.99 £35.99 -
Express Delivery
75mm Celotex GA4075 | SopraTherm GA4075 2.4m x 1.2m
Vendor:SoprathermStandardFree Delivery over £350£420Regular price £28.99 £34.79 -
Express Delivery
80mm Celotex GA4080 | SopraTherm GA4080 2.4m x 1.2m
Vendor:SoprathermStandardFree Delivery over £350£420Regular price £33.10 £39.72 -
Express Delivery
90mm Celotex GA4090 | SopraTherm GA4090 2.4m x 1.2m
Vendor:SoprathermStandardFree Delivery over £350£420Regular price £36.50 £43.80 -
Express Delivery
110mm Celotex XR4110 | SopraTherm XR4110 2.4m x 1.2m
Vendor:SoprathermStandardFree Delivery over £350£420Regular price £46.70 £56.04 -
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120mm Celotex XR4120 | SopraTherm XR4120 2.4m x 1.2m
Vendor:SoprathermStandardFree Delivery over £350£420Regular price £44.00 £52.80 -
Express Delivery
130mm Celotex XR4130 | SopraTherm XR4130 2.4m x 1.2m
Vendor:SoprathermStandardFree Delivery over £350£420Regular price £52.43 £62.92 -
Express Delivery
140mm Celotex XR4140 | SopraTherm XR4140 2.4m x 1.2m
Vendor:SoprathermStandardFree Delivery over £350£420Regular price £54.65 £65.58Sale price £54.65 £65.58 Regular priceUnit price per£0.00 -
Express Delivery
150mm Celotex XR4150 | SopraTherm XR4150 2.4m x 1.2m
Vendor:SoprathermStandardFree Delivery over £350£420Regular price £53.00 £63.60 -
40mm Celotex CW4040 | SopraTherm CW4040 Cavity Wall Insulation Board
Vendor:SoprathermStandardFree Delivery over £350£420£75.91 £91.09 -
50mm Celotex CW4050 | SopraTherm CW4050 Cavity Wall Insulation Board 1.2m x 0.45m (5.94m² Coverage)
Vendor:SoprathermStandardFree Delivery over £350£420Regular price £67.99 £81.59Sale price £67.99 £81.59 Regular priceUnit price per£0.00 -
60mm Celotex CW4060 | SopraTherm CW4060 Cavity Wall Insulation Board
Vendor:SoprathermStandardFree Delivery over £350£420Regular price £78.95 £94.74Sale price £78.95 £94.74 Regular priceUnit price per£0.00 -
Express Delivery
20mm Celotex TB4020 | SopraTherm TB4020 2.4m x 1.2m
Vendor:SoprathermStandardFree Delivery over £350£420Regular price £15.49 £18.59 -
165mm Celotex XR4165 | SopraTherm XR4165 2.4m x 1.2m (Pallet of 12 Boards)
Vendor:SoprathermSopraTherm PalletsFree DeliveryRegular price £910.25 £1,092.30Sale price £910.25 £1,092.30 Regular priceUnit price per£0.00 -
200mm Celotex XR4200 | SopraTherm XR4200 2.4m x 1.2m (Pallet of 12 Boards)
Vendor:SoprathermStandardFree Delivery over £350£420Regular price £1,228.00 £1,473.60 -
37.5mm Celotex PL4025 | SopraTherm PL4025 Insulated Plasterboard 2.4m x 1.2m
Vendor:SoprathermStandardFree Delivery over £350£420Regular price £39.28 £47.14Sale price £39.28 £47.14 Regular priceUnit price per£0.00 -
52.5mm Celotex PL4040 | SopraTherm PL4040 Insulated Plasterboard 2.4m x 1.2m
Vendor:SoprathermStandardFree Delivery over £350£420Regular price £49.08 £58.90Sale price £49.08 £58.90 Regular priceUnit price per£0.00 -
62.5mm Celotex PL4050 | SopraTherm PL4050 Insulated Plasterboard 2.4m x 1.2m
Vendor:SoprathermStandardFree Delivery over £350£420Regular price £52.70 £63.24Sale price £52.70 £63.24 Regular priceUnit price per£0.00 -
72.5mm Celotex PL4060 | SopraTherm PL4060 Insulated Plasterboard 2.4m x 1.2m
Vendor:SoprathermStandardFree Delivery over £350£420Regular price £57.46 £68.95Sale price £57.46 £68.95 Regular priceUnit price per£0.00 -
75mm Celotex CW4075 | SopraTherm CW4075 Cavity Wall Insulation Board 1.2m x 0.45m (4.32m² Coverage)
Vendor:SoprathermStandardFree Delivery over £350£420Regular price £62.25 £74.70Sale price £62.25 £74.70 Regular priceUnit price per£0.00 -
100mm Celotex CW4100 | SopraTherm CW4100 Cavity Wall Insulation Board 1.2m x 0.45m (3.24m² Coverage)
Vendor:SoprathermStandardFree Delivery over £350£420Regular price £61.99 £74.39Sale price £61.99 £74.39 Regular priceUnit price per£0.00 -
Express Delivery
Celotex GA4000 | SopraTherm GA4000 General Purpose PIR Insulation Board 2.4m x 1.2m (All Sizes)
Vendor:SoprathermfromStandardFree Delivery over £350£420Regular price £13.94 £16.73Sale price £13.94 £16.73 Regular priceUnit price per£0.00 -
Express Delivery
100mm Celotex GA4100 | SopraTherm GA4100 2.4m x 1.2m
Vendor:SoprathermStandardFree Delivery over £350£420Regular price £35.40 £42.48 -
85mm Celotex CW4085 | SopraTherm CW4085 Cavity Wall Insulation Board (Pallet of 112 Sheets)
Vendor:SoprathermSopraTherm PalletsFree DeliveryRegular price £1,060.00 £1,272.00Sale price £1,060.00 £1,272.00 Regular priceUnit price per£0.00 -
Celotex XR4000 | SopraTherm XR4000 Insulation Board 1.2m x 2.4m - 110mm to 200mm
Vendor:SoprathermfromStandardFree Delivery over £350£420Regular price £44.00 £52.80Sale price £44.00 £52.80 Regular priceUnit price per£0.00 -
Celotex TB4000 | SopraTherm TB4000 Insulation Board 1.2m x 2.4m - 25mm to 40mm
Vendor:SoprathermfromStandardFree Delivery over £350£420Regular price £13.94 £16.73Sale price £13.94 £16.73 Regular priceUnit price per£0.00 -
Celotex CW4000 | SopraTherm CW4000 Cavity Wall Insulation Board 450mm x 1200mm - All Sizes
Vendor:SoprathermfromStandardFree Delivery over £350£420Regular price £61.99 £74.39Sale price £61.99 £74.39 Regular priceUnit price per£0.00 -
Celotex PL4000 | SopraTherm PL4000 Insulated Plasterboard (All Sizes) 2.4m x 1.2m
Vendor:SoprathermfromStandardFree Delivery over £350£420Regular price £39.28 £47.14Sale price £39.28 £47.14 Regular priceUnit price per£0.00 -
Thermaclass Cavity Wall 21 (1190mm x 450mm) - All Sizes
Vendor:SoprathermfromStandardFree Delivery over £350£420Regular price £103.25 £123.90Sale price £103.25 £123.90 Regular priceUnit price per£0.00 -
Celotex | SopraTherm PIR Insulation Board 2.4m x 1.2m (All Sizes)
Vendor:SoprathermfromRegular price£13.94 £16.73 -
25mm Celotex TB4025 | SopraTherm TB4025 2.4m x 1.2m (Pallet of 48 Boards)
Vendor:SoprathermSopraTherm PalletsFree DeliveryRegular price £657.60 £789.12Sale price £657.60 £789.12 Regular priceUnit price per£0.00£0.00
Celotex offers a comprehensive range of insulation solutions suitable for a variety of applications, including walls, floors, roofs, and cavity walls. Known for its high-quality polyisocyanurate (PIR) insulation boards, Celotex products are distinguished by their excellent thermal performance, ease of installation, and environmentally friendly attributes.
General Purpose PIR Insulation Boards (GA4000 Series)
- Thickness Range: 25mm to 200mm
- Size: 2.4m x 1.2m
- Features: Versatile for floors, walls, and roofs. Low emissivity foil face, class 1 fire rating, environmentally friendly, durable, and lightweight.
Practical Use: Ideal for general building applications, including retrofit and new construction.
TB4000 Insulation Boards
- Thickness Range: 25mm to 40mm
- Size: 2.4m x 1.2m
- Features: Lightweight, easy to install with high tensile strength. Fire and water-resistant, eco-friendly.
Practical Use: Suitable for overcoming thermal bridging and for use in multiple applications like wall and floor systems.
XR4000 Insulation Boards
- Thickness Range: 110mm to 200mm
- Size: 1.2m x 2.4m
- Features: High thermal performance, cut-to-fit for rafters/joists, environmentally friendly.
Practical Use: Ideal for projects requiring thicker insulation, such as in areas with limited space but high insulation requirements.
CW4000 Cavity Wall Insulation Boards
- Thickness Range: 40mm to 100mm
- Sizes: Varies, with typical size being 450mm x 1200mm
- Features: Thermal conductivity of 0.022 W/mK, Aluminium Foil Facings, eco-friendly with low GWP and zero ODP.
Practical Use: Specifically designed for cavity wall applications, providing excellent thermal efficiency in this space.
PL4000 Insulated Plasterboard
- Thickness Range: 37.5mm to 72.5mm
- Size: 2.4m x 1.2m
- Features: Combines insulation with plasterboard for a quick installation. Ideal for internal drylining applications.
Practical Use: Suitable for refurbishment projects where both insulation and dry lining are required.
Specialized Flat Roof Insulation (Crown-Fix and Crown-Up)
- Sizes: Varies
- Features: Specifically designed for flat roof applications.
Practical Use: Crown-Fix is suitable for mechanically fixed systems, while Crown-Up is designed for bonded single-ply systems.
Thermaclass Cavity Wall 21
- Sizes: 1190mm x 450mm (varies)
- Features: A specific product for thermal efficiency in cavity wall applications.
Practical Use: Ideal for new construction where high performance in cavity walls is a priority.
Selecting the Right Product
When choosing the appropriate Celotex product, consider the following factors:
- Application Area: Identify if the insulation is for walls, floors, roofs, or cavity walls.
- Thickness Requirements: Different projects require different levels of insulation thickness.
- Building Regulations: Ensure compliance with local building codes and regulations.
Environmental Considerations: Opt for eco-friendly options if sustainability is a priority.
Celotex products, with their diverse range and high-quality attributes, cater to a wide array of insulation needs, offering effective solutions for both residential and commercial properties.
Rated Excellent



