Relevant clauses of BS 8004:2015+A1:2020 Code of practice for foundations should be also referenced. For bitumen and polythene damp proof courses respectively, refer to BS 6398:1983 and BS 6515:1984. The same is true for BS 743:1970 Specification for materials for damp proof courses.īS 8215:1991 Code of practice for design and installation of damp proof courses in masonry construction should be referenced alongside both of the above documents. It should be used in conjunction with a conventional DPC, specified in accordance with relevant standards.ĬP 102:1973 Code of practice for protection of buildings against water from the ground remains a current guidance document, though parts have been superseded. Although a watertight product like PERINSUL HL insulation can be installed above or below the damp proof course to align with the ground floor insulation, it does not replace damp proofing measures.
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