Sheet metal & Air Conditioning Contractors’ National Association

Technical Resources

Papers and Guidelines

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These papers are copyrighted by SMACNA. SMACNA grants single user permission to download and use. Any further use in part or in whole requires permission.

ERRATA, Rectangular Industrial Duct Construction Standards

This technical paper contains ERRATA for the Rectangular Industrial Duct Construction Standards, Second Edition 2004. Please download and include this listing of changes with your copy of the manual and reference it as needed.