SMACNA Announces Webinar Series

One hour sessions to be directed by SMACNA technical experts.

The Sheet Metal and Air Conditioning Contractors’ National Association (SMACNA) will present a series of three webinars on how to construct HVAC rectangular and round duct to be compliant with SMACNA’s “HVAC Duct Construction Standards—Metal and Flexible” manual (third edition) on April 21, May 5, and May 19, each at 11:00 a.m. (EST).

Led by SMACNA’s experienced technical staff, the 60-minute webinars are open to both SMACNA members and nonmembers.

To enroll and learn fees, visit the Education section of the SMACNA Web site at smacna.org. Participants will earn $50 in savings if they sign up for all three webinars in this series. Estimators, fabricators, field personnel, designers, engineers, inspectors, and code officials alike will gain a solid understanding of how to construct duct in a resource-efficient and sustainable manner compliant with SMACNA’s HVAC Duct Construction Standard.

HVAC DCS 101 – “Rectangular Duct External Reinforcement” – April 21 – 11 a.m. (EST) The webinar will cover basic definitions used to properly describe rectangular duct, limits and proper application of various joints and seams, and how to use SMACNA’s standard to determine proper construction options. Construction options to be discussed will include how to select the proper gage and the proper external reinforcement (angle). This presentation will cover duct up to 120 inches by 120 inches and address positive pressure and negative pressure applications. This is the first session in a three-part series.

HVAC DCS 102 – “Rectangular Duct Tie Rods, New Tables (TDC/TDF), and Rectangular Duct Over 120 Inches" – May 5 – 11 a.m. (EST) This presentation will cover how to properly determine tie rod options for rectangular duct, positive pressure and negative pressure options, and the effects of using heavier gages on tie rod choices. The webinar will also cover how to use the new tables in the “HVAC Duct Construction Standards—Metal and Flexible” manual (third edition) for TDC/TDF flange connections, how to properly convert from steel construction to aluminum construction, how to fabricate “large” rectangular (more than 120 inches), how to properly install fiberglass duct liner and how to fabricate double-walled duct. This is the second session in a three-part series.

HVAC DCS 103 – “Round and Oval Duct, Hangers, and Casing Construction” – May 19 – 11 a.m. (EST) This program will cover round and oval ducts including the basic definitions used for round and flat-oval duct, limits and proper application of various joints and seams, use of the “HVAC Duct Construction Standards—Metal and Flexible” (third edition) to determine proper construction for spiral duct and longitudinal seam duct. Examples will cover determining the proper gage and the proper reinforcement. Positive and negative pressure construction options are explained. It will also cover how to select the proper components for duct hangers. Casing construction will also be addressed. This is the final session in a three-part series.

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