STD 7 NHBC Standards 2011. Part 7 - Roofs
Gives technical requirements, performance standards and guidance for the design and construction of dwellings acceptable to NHBC. Covers: 7.1 Flat roofs and balconies and 7.2 Pitched roofs.
Part 7.2 will be superseded by the 2012 revision on 1st January 2012. References to British Standards have been changed to the new Eurocodes throughout the Standards. Part 10 is no longer allocated and does not appear in the set. Effective from 1 January 2011.