Soprema

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Soprema is a leading provider of insulation as well as waterproofing and roofing solutions. Soprema UK acquired the Celotex brand in 2024. Since 01/01/26, they unified Celotex, Chesterfelt and YBS Insulation under the Soprema brand. Soprema have a wide variety of insulation products, which also features the popular TB4000, GA4000, XR4000 range.

Soprema was first founded in 1908 and has grown into a multinational powerhouse. This over a century old brand now operates in over 90 countries. Soprema UK plays a huge role in the global and meets specific demands of the British market whilst upholding their core values and mission.

Soprema's core values is based around their company culture. They believe in investing in high achieving and ambitious collaborators. This entrepreneurial spirit helps create real solutions to crucial issues faced by the building industry. In addition to this, integrity and fairness also aligns with their core values. They believe their actions are guided by a humble willingness to learn, seizing every opportunity to improve and do better.

Soprema UK want to build a better future and dare to think beyond the immediate needs to break from convention. This out of the box thinking places the long term well being of others at the heart of their actions and decisions.

Soprema Insulation

Soprema insulation that can be bought on our website include the following:

  • Soprema TB4000 Multi Purpose PIR Boards
  • Soprema GA4000 Multi Purpose PIR Boards
  • Soprema XR4000 Multi Purpose PIR Boards
  • Soprema Thermaclass Cavity Wall Board 21
  • Soprema Cavity Wall Boards – CW4000
  • Soprema Insulated Plasterboard – PL4000

The Soprema multi purpose boards (TB4000, GA4000, XR4000) can be used in a wide variety of applications. This includes walls and floors and even lofts. They are made from PIR, which has excellent thermal conductivity. In addition to this, they are easy to cut, handle and install.

Another Soprema product is the Thermaclass cavity wall 21. The '21' in the title refers to the thermal conductivity of 0.021 W/m.K. This is a cavity wall board designed for full fill applications. Soprema also have another cavity wall board called the CW4000. This is a partial fill cavity board.

Lastly, Soprema offer an insulated plasterboard. This has the product code PL4000 and combines the thermal qualities of insulation with the practicality of plasterboard. This 2-in-1 product is easy to handle and cuts down installation time.