Kingspan Kooltherm K108 offers the best in partial fill cavity wall insulation, celebrated for its remarkable thermal performance and its capacity to maximise usable internal floor space. With a low thermal conductivity of 0.019 W/mK, it offers a robust solution to achieve superior wall U-values while maintaining a sleek and space-efficient profile. 

What is Kooltherm K108? 

Kooltherm K108 is an advanced partial fill cavity wall insulation solution designed to deliver outstanding thermal efficiency. It excels in reducing heat transfer, allowing for the achievement of impressive wall U-values without compromising valuable internal floor space. Whether used in new construction or retrofit projects, Kooltherm K108 is a key player in the quest for energy-efficient and space-optimised buildings. 

Kooltherm K108 is ideal for: 

• Partial fill cavity walls 
• Space optimisation 
• New contructions
• Retrofit projects  

Buy Kooltherm K108 Online  

Here at Insulation King, we offer Kooltherm K108 in a range of different sizes to ensure you find the best match for your project. Our sizes include 40mm, 70mm, and 100mm, all the way up to 150mm – shop now!