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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.
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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):


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