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Heating and Ventilating Contractors' Association
London, UK, HVCA
Divided into eight main parts; technical information to be provided by the designer; standards; rectangular ducts; circular ducts; flat oval ducts; hangers and supports; general and; appendices.
This document has been superseded. Please review the information within the document history section to obtain the latest version of the document
Superseded by DW/144 Specification for sheet metal ductwork. Second edition (BES, 2013).
This document is no longer current but is cited in the Building Regulations for England, Wales, Northern Ireland and Scotland.
Including Appendix M revision 2002.
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