Technical Standards

Building on a history of duct construction standards nearly 100 years old, the flagship SMACNA HVAC Duct Construction Standard – Metal & Flexible 4th edition represents the state of the art in sheet metal duct fabrication and installation requirements.

This completely revised publication contains the most comprehensive set of recommended practices available for proper design and installation of custom-fabricated architectural sheet metal.

The Seismic Restraint Manual: Guidelines for Mechanical Systems, 4th edition, is an updated set of guidelines.

For this Third Edition, the SMACNA® Rectangular Industrial Duct Construction Task Force led a comprehensive review and update of the Second Edition.

This completely revised publication contains the most comprehensive set of recommended practices available for proper design and installation of custom-fabricated architectural sheet metal.

Developed to provide guidance in the evaluation of exterior sheet metal building components - roofing systems, exterior walls, flashings, copings, etc. - during initial construction and for ongoing condition assessments and maintenance.

CADD drawings of the illustrations in SMACNA's 7th edition of the Architectural Sheet Metal Manual are available for download and use in CAD programs.

An invaluable inspection resource for owners of standing seam, batten seam, or Bermuda-type roofs.

This first edition of HVAC Sound and Vibration was developed to provide in-depth, HVAC-specific guidance in the art of sound and vibration measurement and mitigation.

The eighth edition provides important updates from former editions, with 1400 EI 2” board now covered within the standard.

Building on a history of duct construction standards nearly 100 years old, the flagship SMACNA HVAC Duct Construction Standard – Metal & Flexible 4th edition represents the state of the art in sheet metal duct fabrication and installation requirements.

The fourth edition reviews materials and reinforcement of duct systems, as well as assembly and supports of ducts.

For this Third Edition, the SMACNA® Rectangular Industrial Duct Construction Task Force led a comprehensive review and update of the Second Edition.

This guide is a compilation of accepted industry practices and construction techniques having received wide acceptance for the fabrication and installation of industrial duct systems.

The American National Standard expands the scope of the 1999 version, updating the duct materials to include aluminized steel, temperature correction factors for round industrial and minimum decimal thickness for aluminum duct selection tables.

This version of the Rectangular Industrial Duct Construction Standards, 2nd edition (2007) is uniquely identified as the SI version (Metric • le Système International d’Unités) to differentiate it from the version published in 2004 as the I-P version.

This revised manual addresses three new areas: Hydronic heating systems, Multistory HVAC systems and Residential commissioning. Appendix chapters provide overviews of methods for including crawlspaces in the conditioned space and the HVAC accessories

The first edition of SMACNA’s Residential Sheet Metal Guidelines offers contractors, designers, builders and homeowners a source of expert information on the proper fabrication and installation of exterior sheet metal in residential buildings.