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.

  • 2017 Update for Architectural Fascia and Coping Wind Tests Report
    SMACNA’s Technical Resources Committee completed wind uplift testing on custom-fabricated fascia and coping architectural elements constructed in accordance with the SMACNA Architectural Sheet Metal Manual.
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  • Architectural Sheet Metal Inspection Guide
    An invaluable inspection resource for owners of standing seam, batten seam, or Bermuda-type roofs. Presents practical troubleshooting and corrective tips for typical problems of roof panels, gutters, downspouts, fascia, copings, flashing, ridges and hips, valleys, expansion joints, penetrations, fasteners and soldering. Also provides relevant information regarding construction of these architectural elements, the purpose of each, as well as what to look for during periodic inspections. Sealants, moisture transfer methods and air leakage are also covered. Emphasizes the importance of regular and appropriately timed inspections because a small problem discovered early can be fixed at a low cost, preventing minor damage from becoming a substantial problem until the cost of repair and remediation becomes excessive. Contractors will find this book a valuable resource to provide owners or facility managers along with the standard building completion documents.
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  • Architectural Sheet Metal Manual
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  • Effects of Imposing a Universal Requirement on All Components of Ductwork
    This technical paper reviews the HVAC Duct Construction Standards, 2nd edition, 1995, specifications and requirements for zinc coating on galvanized steel ducts. Paragraph and page references from the HVAC-DCS manual are provided along with the text. Commentary in the form of italicized text has been added to clarify the meaning, scope or intent of the manual. In addition the paper reviews zinc coating thickness variations, as commonly used in trade practice, for sheet, reinforcements, tie rods and fasteners. Also included in the paper are the burdensome effects of imposing a universal requirement of G-60 and/or G-90 coating for all components. Wide distribution of this technical paper in the construction community is encouraged.
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  • Custom Fabricated Sheet Metal Test Report
    Achieving uniqueness in building construction should start at the top. When choosing a roofing style, many architects choose custom fabricated metal roofs. SMACNA's Custom Fabricated Sheet Metal Roof Test Report describes the performance of the double lock standing seam and batten seam metal roof conforming to the SMACNA Architectural Sheet Metal Manual. Members are encouraged to provide copies of this paper to building owners and architects, so that all parties gain a better understanding as to the performance of custom metal roofing.
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  • ICC/International Code Adoption
    This file is an updated (2012) International Code Council (ICC) State Adoption of the I-Codes. SMACNA National has long been involved in the code setting process to ensure that the SMACNA Standards currently being utilized would be included into the Model Building Codes. SMACNA will continue our work with the Model Building Codes and provide future updates concerning code adoptions.
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  • Air Duct Leakage HVAC 2011 Technical Paper
    SMACNA published the HVAC Air Duct Leakage Test Manual in conjunction with the SMACNA HVAC Duct Construction Standards. Research proved that duct leakage could be well defined as a function of the static pressure and the surface area of the duct. This allowed for the introduction of leakage classes that could be used to calculate and accurately represent the leakage of air from ducts of various sizes and configurations.
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  • HVAC Duct Sealant Usage Requirements on USGBC LEED® Projects - UPDATE
    The following bulletin is an update to TRB #4-09 issued March 27, 2009 with the Subject: HVAC Duct Sealant Usage Requirements on USGBC LEED® Projects. In response to the following Credit Interpretation Request (CIR): “How does a project team classify duct sealants for application under EQc4.1?” the USGBC issued the following ruling: “Project teams may classify duct sealants under “Other”, as listed in the SCAQMD VOC Limits table.”
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  • ERRATA for the Task Force Page in HVAC Duct Construction Standards, 3rd Edition 2005
    This file replaces the current Task Force page in the HVAC Duct Construction Standards – Metal and Flexible, Third Edition. Due to a printing error some of the former committee members were incorrectly identified.
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  • Technical Guideline on Through Penetration Firestopping
    This paper was prepared in response to increasing concerns and lack of understanding of this issue by designers, code officials and contractors. The requirements of the Model Code groups have been identified and the responsibilities of architects, engineers/designers, code officials and contractors have been outlined. The use of this paper will assist contractors in those situations where they are being forced to provide products, which are not adequately specified and detailed on the project plans and specifications and, which were not included in contractors' estimates for the project. This guideline is intended to be a generic educational tool for use by all parties to the construction process. We encourage all members to provide copies of this paper to building owners, architects, engineers and code officials so that all parties gain an understanding as to the requirements of the codes, their respective responsibilities and the technical complexity and costs associated with this issue.
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