1.2What’s changed

Major technical changes

The following major technical changes have been made to this edition of the Standards:

  • Chapter 6.6 'Staircases' has been revised
  • Chapter 9.1 'A consistent approach to finishes' has been revised

Minor technical changes

Minor technical changes have been made to the following clauses:

  • 6.9.19 - amended the 2nd bullet point from ventilated to vented
  • 7.2.8 - amended to clarify the fixing requirements for lateral restraint straps, including the separation of guidance for proprietary straps from traditional straps
  • 8.1.6 - combined the two bullet points on sound insulation because both the encasement and insulation wrap are required
  • 9.2.4 Table 5 - amended to change the perimeter noggings requirement for 15mm plasterboard
  • 9.4.3 - guidance provided on the fitting of kitchen units

We have taken the opportunity to make a number of editorial changes throughout the document. This includes updating references to British Standards.

3D models

3D models can be accessed directly within Standards Plus, the online version of the Standards, by clicking on the embedded icons. They can also be viewed on the NHBC 3D Viewer app, which hosts a library of the 3D models to view on iOS and Android devices.