Kingspan Kooltherm K5 20mm External Wall Board

The Kingspan Kooltherm K5 is a premium external wall insulation board engineered for masonry construction. With exceptional thermal performance at 0.021 W/mK, this product facilitates the development of thinner wall assemblies without compromising on insulation quality. Installation compatibility extends to both conventional and lightweight polymer-modified render systems, making it a versatile choice for new builds and retrofit applications. The external installation method minimises internal disruption, allowing thermal upgrades to be completed from outside the building envelope.