Lobbying by the International Association of Sheet Metal, Air, Rail, and Transportation Workers (SMART) and the Sheet Metal and Air Conditioning Contractors’ National Association (SMACNA) led to the passage of legislation.

Slideshow: For the last five years, Doonan has been in the process of transitioning out of his ownership role, and he’s ready to start a new chapter.

Duro Dyne marked their entrance into the fire damper market with a wide selection of fire, smoke and opposed blade dampers earlier this year – neatly packing the new products in one display on the 2023 AHR Expo floor.

This method is considered ideal for installations where the damper sleeve is tight up against a wall, floor, or other obstruction, with no room for a retaining angle on one side.

Four new dynamic fire damper models are available to protect oversized openings in buildings. 

There is a gap of knowledge between the professionals who design, fabricate, and install ductwork and the experts who inspect it after it’s in operation. The Building Inspectors Program, a course presented by the International Training Institute (ITI), has been developed to bridge that gap between sheet metal contractors and building and fire inspectors.