CHANTILLY, VA — A free technical paper reviewing specifications and requirements for zinc coating on galvanized steel ducts is now available at the Sheet Metal and Air Conditioning Contractors’ National Association (SMACNA) website (www.smacna.org).

The technical paper reviews SMACNA’s “HVAC Duct Construction Standards – Metal and Flexible,” second edition, 1995, specifications and requirements for zinc coating on galvanized steel ducts. Commentary is offered to clarify the meaning of the manual as well as paper reviews on zinc coating thickness variations.

Publication date: 08/20/2001