New NHBC Standards Chapter 5.4
'Waterproofing of basements and other below ground structures'.
In 2013, we launched a Basement Campaign highlighting significant issues with the design and construction of basements. Between 2005 and 2013, claims related to waterproofing below ground cost NHBC in the region of £21 million and affected around 890 homes.
A key component of the campaign is the introduction to NHBC Standards of a new Chapter 5.4 'Waterproofing of basements and other below ground structures'. The new Chapter introduces meaningful benchmarks and supporting technical guidance.Return to NHBC Standards
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