These changes have been implemented following the recent surge in MMC interest from the UK house building industry.
Standards 2019 will introduce the first major update to Chapter 6.10 'Light Steel Framing' (LSF) since it was first published in 2005. Given the increase of modular systems using LSF, Standards 2019 have added considerations to the stage 1 certification which should be considered in the manufacturer's system manual.
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Chapter 6.2, which focuses on 'External timber framed walls' and Chapter 8.1 'Internal Services' in relation to boiler flow rates, have also been updated, along with a number of additional minor changes on a range of issues.
NHBC Standards & Technical Manager Paul Cribbens said: "NHBC's dedicated team have spent the past year developing technical content and updates to form the new Standards, working with other partners and organisations from across the industry.
"The increased interest in MMC has contributed to these changes and we hope that these revisions will continue to help in raising standards of new home quality for the benefit of homeowners."
The NHBC Standards 2019 will come into force on 01 January.
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