Reference profile
- Designation
- SMACNA
- Title
- HVAC Duct Construction Standards — Metal and Flexible
- Issuing body
- SMACNA
- Current edition
- [verify]
- Status
- Library record: reviewed; official standard status [verify].
- Category
- Utility Mechanical
1
Overview
Construction standards for HVAC ductwork, including gauge, reinforcement, sealing, and support.
2
Scope & Applicability
Covers
- Duct gauge
- Reinforcement
- Sealing class
- Hangers & supports
- Pressure class
Does NOT cover (exclusions)
- Exclusions are not documented in this library record. Confirm the official publication, neighbouring codes, the adopted edition, and jurisdictional boundaries before application.
3
Key Requirements
Lifecycle requirements
- Ductwork specification
- Fabrication & installation
4
Technical Details
Construction standards for HVAC ductwork, including gauge, reinforcement, sealing, and support.
Components: Duct, Fitting, Hanger, Reinforcement, Seam.
Where to find it in the codeRefer to the official table of contents and the sections cited by the project specification; section numbering can vary by edition.
5
Engineering Notes
- The default reference for HVAC duct fabrication quality and pressure class.
6
Related Standards
- ASHRAE 62.1
Companion or referenced standard; verify its exact relationship in the adopted edition.
- NFPA 90A
Companion or referenced standard; verify its exact relationship in the adopted edition.
7
Source, Edition & Status
- Publisher
- SMACNA
- Edition Year
- N/A
- Industries
- Utility, General Industry
- Content Status
- reviewed
- Last Reviewed
- 2026-07-01
- Last Updated
- 2026-07-01
- Verified By
- Engineering Reviewer
- Official Link
- N/A
This paraphrased summary is a discovery aid. Do not reproduce or substitute it for the copyrighted official publication or jurisdictional requirements.