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New low U-value Kalzip roof for CO2Zero

Kalzip’s new dual-insulation roof system achieves U-values as low as0.1 W/m²K and has been installed on the CO2Zero-LiveWork building, Bristol. This technically proven low U-value system is extremely cost effective and utilises the combined benefits of two complementary types of insulation materials - Kalzip Insulation Plus (glass mineral fibre) and Kalzip Insulation 23 (rigid insulation boards).

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