NHB00001173_Internal email regarding number of projects using K15 and attaching the NHBC Insulation Product Concerns Briefing, v2_4.pdf [pdf]

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NHB00001142_Internal NHBC email regarding written regulations for external wall construction_4.pdf [pdf]

… and safety' and 'The use of combustible materials in the cladding system and extensive cavities may present a risk in … construction should not assist with fire spread: • External cladding material • Backing board (if appropriate) • … around the use of large expanses of high pressure laminate cladding which could potentially allow rapid fire spread …
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NHB00001137_K15 Project Query list_2.XLSM [XLSM]

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NHB00001136_Emails between Kingspan and NHBC regarding K15 in facades over 18m and attaching the K15 Project Query list_5.pdf [pdf]

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NHB00001133_Emails between Kingspan and NHBC regarding Kooltherm K15 and its use in facades above 18m_5.pdf [pdf]

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NHB00001057_Email from Steve Evans NHBC to Brian Martin DCLG regarding the issued guidance on compliance with respect to combustible materials in buildings over 18m for builders_2.pdf [pdf]

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NHB00001032_NHBC Use of combustible materials in buildings over 18m - Guidance to builders_2.pdf [pdf]

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NHB00001017_NHBC Technical Services - Building Regulations Internal Technical Guidance Note - B500 - The use of Combustible Materials within the external wall construction of buildings with a_2.pdf [pdf]

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NHB00001016_Internal NHBC email regarding guidance for the use of combustible materials in buildings over 18m_2.pdf [pdf]

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999 Call Transcript MET00018759.pdf [pdf]

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NHB00001010_Internal NHBC email forwarding Steve Evans' email regarding the use of combustible materials in external walls for buildings over 18m, with proposed actions for combustible materia_2.pdf [pdf]

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NHB00000999_Draft NHBC Building Regulations Internal Technical Guidance Note - B5 - The use of Combustible Materials within the external wall construction of buildings with a floor level over_4.pdf [pdf]

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NHB00000943_Letter from Dentons to Fenwick Elliott regarding the use of K15 on buildings over 18m._0.pdf [pdf]

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NHB00000922_Draft letter from NHBC to Kingspan regarding the use of K15 cladding on buildings above 18m._5.pdf [pdf]

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NHB00000853_Report on the Use of Combustible Insulation Materials within the External Wall Constructions of High Rise Buildings._4.pdf [pdf]

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NHB00000841_Internal NHBC email entitled Summary of Correspondence re. Combustible Cladding Components. (Provides a timeline of engagement on this issue from 2013 - end of 2014)._4.pdf [pdf]

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NHB00000830_Email from NHBC to BRE to confirm their understanding of how BR135 should be interpreted._4.pdf [pdf]

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NHB00000829_Internal NHBC email providing a summary of meetings held with_ Arup Fire on 25 November 2014, and the BRE on 27 November 2014._4.pdf [pdf]

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NHB00000806_Email from NHBC to Kingspan regarding BS8414_2 test submissions for Kingspan K15._4.pdf [pdf]

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NHB00000785_Internal Email chain at NHBC following a query about approving cavity barriers from Concept Conversions Ltd. A copy of NHBC’s response to Celotex on the BRE test is attached._4.pdf [pdf]

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