Kingspan Kooltherm K12 can be used in multi storey buildings up to 18 metres in height. It is a premium performance insulation that provides a thermal conductivity between 0.020 W/mK and 0.023 W/mK. # Kingspan Kooltherm K12 is Manufactured with a blowing agent that has zero ODP and low GWP, it is used to insulate timber and steel framing systems.Kooltherm K12 delivers superior thermal performance with easy to handle boards, resulting in an efficient installation process. This board is available in thw following thickneses: 50mm 60mm 70mm 75mm 80mm 100mm 120mm   For more information please contact our sales team .