KORE’s EPS cavity wall insulation has been designed to meet and exceed the requirements of Part L 2019 (nZEB-Ready). The required U-value for external walls in new builds is 0.18W/m2K. KORE Fill is certified for cavities of up to 225mm made with an external render or brick.
KORE Fill is available in Original, or lower thermal conductivity Diamond. Builders can easily meet the requirements of Part L 2019 with the following (relevant to both rendered and brick cavity walls):