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Sun April 18 2021

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NHBC adds basement guidance

18 Sep 15 Widespread problems with leaky basements in new houses has prompted the National House-Building Council (NHBC) to add an extra chapter to its technical standards.

The 2016 edition of the NHBC Standards has not just a new look standards but also a whole new section on waterproofing basements.

NHBC is the leading warranty and insurance provider for new homes in the UK, has provided regularly-updated technical guidance for builders for more than 80 years.

Standards manager Paul Cribbens said: “The new guidance in Chapter 5.4 ‘Waterproofing of basements and other below ground structures’ is the culmination of a two-year NHBC campaign responding to a spate of serious issues with leaky substructures; this cost us £21m in claims between 2005 and 2013. We are confident that these changes will help bring down costly claims, with new technical guidance and benchmarks where the structure is required to resist the ingress of water from the ground and ultimately improve construction quality.”

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