
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 PLUS is a premium performance soffit insulation solution with an impact resistant building board for when an improved finish is required. It allows for a thin structural ceiling (soffit) construction with an insulation component that delivers a thermal conductivity of as low as 0.021 W/mK.
Product Highlights
One of the thinnest commonly used insulation for soffits, allowing U-values to be reached with minimal thickness
Impact-resistant building board outer face for an improved finish
Easy to handle and install compared to some other commonly used insulants
Part of our Kooltherm range of premium performance insulation