Papers & Guidelines

• Technical Inquiries

  SMACNA develops and publishes more than 30 technical documents with more being added to the library each year and several in review and revision cycles. In accordance with SMACNA Policy, a formal interpretation of the literal text of SMACNA's

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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.

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• Why Not to Specify the Density of Thermal and Acoustic Duct Insulation Used in HVAC Ductwork

  This technical resources bulletin explains the importance of specifying performance parameters for insulation and why not to specify the density of thermal and acoustic duct insulation used in HVAC ductwork.

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• EPA Signs SNAP Rule 23

  On April 23, the U.S. Environmental Protection Agency (EPA) signed the Significant New Alternatives Policy (SNAP) Rule 23 - New listings for refrigeration and air conditioning; revised listing for fire suppression.

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• Rooftop Ductwork – Round or Rectangular?

  This technical resources bulletin discusses the differences between round and rectangular duct types, and factors to consider when choosing the appropriate duct type for rooftop ductwork applications.  

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• HVAC COVID-19 Guidance

  This technical resource bulletin includes SMACNA’s recommended guidelines to open existing buildings with more specific emphasis on the building’s HVAC System.

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• Changes to ICB Smoke Control Systems Certifications

  ICB certifications are periodically reviewed to ensure content is relevant to current industry practice.

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• 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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• Effects of Imposing a Universal Requirement of (G-60, G-90) Coating 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.

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• Test Standards for Fire, Smoke and Combination Fire/Smoke Dampers

  On July 1, 2002, damper manufacturers were required to provide fire, smoke and combination fire/smoke dampers that are tested to new Underwriters Laboratories (UL) testing requirements.

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• SMACNA CAD Standard

  The “SMACNA CAD Standard,” second edition, 2001, articulates in greater detail the CAD standards that will enable members of the AEC community to apply CAD effectively to mechanical, fire protection, and plumbing design and construction.

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• Custom Fabricated Sheet Metal Test Report

  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.

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• Duct Cleanliness for New Construction Guidelines

  This guideline is intended to help the commercial duct installation contractor, design engineers and building owners to become more familiar with guidelines to control and reduce contamination.

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