Withdrawn, Document not available for download
Core Supplement
Technical Extra
Subdivided into four sections: NHBC Standards; regulation and compliance; guidance and good practice; information and support. Covers: standard bracing in pitched roofs, commissioning gas installations, Building Regulations update, access provisions for new dwellings, pre-completion testing of fixed fans, defects in above ground drainage and associated works, HNBC Foundation and the Zero Carbon Hub, increased registrations placing demands on materials and skilled labour, site water testing, low-strength factory made mortar, and infiltration SuDS map. Also includes: technical news, information and support.
Withdrawn January 2024. Technical Extra publication replaces Standards Extra and Sustainability Extra.
Formed in 1936, the NHBC is the standard setting body for new and newly converted homes in the UK.
NBS has produced specification systems and information products for construction industry professionals for more than 40 years. The National Building Specification is the recognised UK national standard and is used by over 5,000 organisations. NBS is part of RIBA Enterprises Ltd.
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