Sheet Metal & Air Conditioning Contractors’ National Association

The International Training Institute (ITI) commissioned Simpson Gumpertz & Heger Inc. (SGH) to evaluate 1/2 inch wide flat lock seam soldered joints. The study investigated the in-service cyclical thermal loads that flat seams typically experience, and to test varying levels of dressing extent, joint gaps, voids in solder, edge seam solder geometry, and solder extent, to help analyze the minimum requirements for meeting the intended service life of 75 years without failure in a 1/2 inch wide flat lock seam.

One of the most frequently asked architectural questions SMACNA receives is on sizing gutters and downspouts. In response, SMACNA’s Technical Resources Department has created a free Downspout and Gutter Sizing Calculator.  

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.

SMACNA’s new “Architectural Sheet Metal Quality Assurance Guide,” 1st edition, is a tool for evaluating exterior sheet metal building components—roofing systems, exterior walls, flashing, copings, etc.—during initial construction and for ongoing condition assessments and maintenance. SMACNA teamed up with RCI, an international association of professional building envelope consultants, to write this book.

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.