The Kingspan Kooltherm K100 range products have a lambda value of just 0.018 W/m·K across all thicknesses. Here are the thicknesses required for commonly used insulation materials to achieve the same level of thermal perfomance:
Thickness of insulation to achieve an R-value of 2.857 m²·K/W.
||Type of insulation
||Kingspan Kooltherm K100 range
||Rock mineral fibre
Thicknesses are rounded up to the nearest 5 mm.
Kingspan Kooltherm K100 range products provide a level of performance that is unrivalled in the world of rigid thermoset insulation materials.