Our Soprema cavity boards deliver strong thermal performance for cavity wall applications. Soprema cavity boards are widely used in the industry, and help improve energy efficiency in both residential and commercial build types. At Trade Insulations, we can offer our lowest price on cavity boards by Soprema. These high performance cavity wall boards are available in an array of different thicknesses to suit your project. All datasheets and certification can be found on our product pages. Order your Soprema cavity wall boards from Trade Insulations today.
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Soprema CW4100 100mm Sopratherm Cavity Wall Board (1200mm x 450mm) – 3.24m2 pack
Original price was: £86.51.£63.49Current price is: £63.49.Soprema CW4075 75mm Sopratherm Cavity Wall Insulation Board (1200mm x 450mm) – 4.32m2 pack
Original price was: £108.47.£65.85Current price is: £65.85.Sopratherm 90mm Thermaclass Cavity Wall 21 – Sopratherm Thermaclass (1190mm x 450mm x 90mm) – 3.21m2 (Pack of 6)
Original price was: £143.51.£107.99Current price is: £107.99.Soprema CW4050 50mm Sopratherm Cavity Wall Board (1200mm x 450mm) – 5.94m2 pack
Original price was: £92.87.£68.99Current price is: £68.99.115mm Thermaclass Cavity Wall 21 – Sopratherm Thermaclass (1190mm x 450mm x 115mm) – 2.76m2 (Pack Of 5)
Original price was: £160.40.£124.79Current price is: £124.79.140mm Thermaclass Cavity Wall 21 – Sopratherm Thermaclass (1190mm x 450mm x 140mm) – 2.14m2
Original price was: £151.96.£123.29Current price is: £123.29.Soprema CW4085 85mm Sopratherm Cavity Wall Board (1200mm x 450mm) – 60.48m2 Pallet
Original price was: £1,857.51.£1,338.99Current price is: £1,338.99.Soprema Cavity Boards
Soprema Cavity Boards are designed to provide excellent thermal performance. They boast easy installation within both partial-fill and masonry cavity wall applications. The boards are suitable for new builds, extensions, refurbishment projects and also commercial developments. At Trade Insulations, we open up trade prices to everyone. This means you do not need to be in the trade to get our low prices. So if you are a homeowner, builder, contractor, developer or even a DIY enthusiast – order online today. Our Soprema cavity boards are very popular, so order now to secure your delivery.
What are Soprema Cavity Boards?
Soprema cavity wall boards are rigid insulation boards, which are designed for use in masonry cavity wall systems. The boards are 1200mm x 450mm in dimension, which gives a total coverage of 0.54m2. The boards themselves are made from Polyisocyanurate (PIR). This is a thermoset plastic, which is made into a foam board. Soprema cavity wall boards are available in a wide variety of thicknesses. By installing insulation in the cavity wall, you can reduce the heat lost through your external walls. Soprema cavity wall boards can also help buildings meet UK building regulations and also achieve energy-efficient targets.
Soprema cavity wall boards are easy to handle and install, which further adds to their popularity.
Suitable applications
Soprema cavity wall boards are specialist insulation boards, which are suitable for a wide range of projects and application types. The most common application types include:
- New builds
- House or building extensions
- Commercial properties
- Apartment blocks
- Educational or public buildings
- Refurbishments
- Traditional masonry cavity wall applications
Benefits of Soprema cavity wall insulation boards
Choosing the right cavity wall insulation is important as it can help achieve strong thermal performance as well as reliability. Cavity wall boards by Soprema offer a whole range of benefits.
Excellent thermal performance
Cavity wall boards by Soprema are renowned for their ability to reduce heat loss through walls. When Soprema is installed, it can help regulate the internal temperatures and therefore reduce the demand for heating. This can help the overall energy efficiency of the property.
Celotex are now Soprema
Celotex is now under the roof of Soprema. This means that Celotex products going forward will be branded as Soprema. The Celotex cavity wall board product is now known as Soprema cavity wall board. It is the same product but under the new brand.
Soprema cavity boards are easy to install & handle
These rigid cavity insulation boards are designed for easy installation on-site. They are also easy to handle. This helps to increase the efficiency of fitting and therefore reduces the installation time for builders and contractors.
Suitable for many project types
Soprema cavity wall boards can be used in a variety of settings. This includes both residential and commercial projects of various sizes. Soprema is setting the standard for PIR cavity wall insulation.
Available in many different thicknesses
Soprema cavity wall insulation board is available to purchase in many different thicknesses. The thickness you need will depend on your project. If you are unsure which thickness you require, then we suggest you speak to an architect and building professional.
Why use cavity wall insulation?
Cavity wall insulation plays a huge role in providing additional energy efficiency to a building. When walls are not insulated, it can allow for heat loss, which in turn increases energy costs. By installing cavity wall insulation boards, it can help slow down the transfer of heat. This can lead to a more energy-efficient building envelope. Benefits of installing Soprema cavity wall insulation may include:
- Reduction in heating costs
- Increased comfort indoors
- Better energy efficiency ratings
- Reduced carbon emissions
- Hassle free installation
Buy Soprema Cavity Wall Boards From Trade Insulations
You can buy Soprema cavity wall boards directly from us at Trade Insulations. We boast trade prices, outstanding service and fast UK delivery. All of our current product lead times can be found on our product pages themselves. At Trade Insulations, we take pride in our 5-star reputation. Order Soprema cavity boards online today.

