
What are U-values, R-values and Lambda Values?
Lambda, R-values, U-values, Thermal Conductivity and Thermal Resistance simplified in one article



Kooltherm K10 is a premium performance soffit insulation solution. With a thermal conductivity as low as 0.021 W/mK, Kooltherm K10 helps to create a thin structural ceiling (soffit) construction. The boards are quick and easy to install compared to some other commonly available insulants.
Product Highlights
FM Approved to FM 4880 - please see the product brochure for further information on the conditions of approval
Quick and easy to install compared to some other commonly available insulants
Part of our Kooltherm range of premium performance insulation