NHB00001142_Internal NHBC email regarding written regulations for external wall construction_1.pdf [pdf]
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NHB00001137_K15 Project Query list_0.XLSM [XLSM]
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NHB00001133_Emails between Kingspan and NHBC regarding Kooltherm K15 and its use in facades above 18m_2.pdf [pdf]
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