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HVAC Duct Construction Standards-Metal & Flexible, 3rd Edition (SMACNA)


The third edition of the HVAC Duct Construction Standards Metal and Flexible is intended primarily for commercial and institutional duct construction. The standard contains tables and details for constructing ductwork for � to 10 wg positive and negative pressures. This edition improves upon the second edition with expanded pressure class tables, separate tables for TDC/TDF construction and expanded tables for round duct construction including 6 wg positive and negative pressure and sizes up to 96. New in this edition is an engineering and design chapter to provide additional information to design professionals, double-wall construction details, new casing construction details and additional accessory items. The standard is applicable for construction using uncoated steel, galvanized and stainless steels and a limited range of aluminum ducts. This standard has been adopted in the ICC International Mechanical Code. Includes soft metrics.

HVAC Duct Construction Task Force
Notice to Users of this Publication
Model Project Specification
List of Major Changes from the Second Edition
Table of Contents
Chapter 1 Engineering and Design
Chapter 2 Rectangular Duct Construction
Chapter 3 Round, Oval and Flexible Duct
Chapter 4 Fitting and Other Construction
Chapter 5 Hangers and Supports
Chapter 6 Exterior Components
Chapter 7 Accessories
Chapter 8 Double-Wall Duct Construction
Chapter 9 Equipment and Casings
Chapter 10 Specialty Systems
Chapter 11 Functional Criteria
Appendix A


  • Paperback:�390 pages
  • Publisher:�SMACNA; 3 edition (January 15, 2005)
  • Language:�English
  • ISBN-10:�1617210307
  • ISBN-13:�978-1617210303

HVAC Duct Construction Standards-Metal & Flexible, 3rd Edition (SMACNA)

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