How to Build a Balancing Damper Fast

Article content provided by Rossi Hardwar

Every sheet metal shop builds balancing dampers. Here's how to build one in under 90 seconds instead of fighting it. Start with the bushings: Rossi Snap-In Bushings press into the duct wall with an audible snap — no oversized holes, no bolting — and seat airtight, holding the bar with near-zero leakage.

Next, the blade and bar. Rossi Continuous-Bar Blades come with the bar channel built in and the bar pre-cut to size, so you're not cutting stock or fighting a floppy blade. Slide it through and it drops right into place, rigid and true. Now lock it: mount the Everlock positive-locking regulator with three rivets instead of four — that’s 25% less riveting on every damper. One click and the blade is set. It holds its position and won't rattle loose, so the balance a tech sets today is still there years from now.

That's the whole job: snap, slide, rivet, done. Under 90 seconds, less labor, no callbacks. The parts are engineered to work together, which is why shops that switch their whole operation over see the real savings — and why Rossi is trusted on everything from NASA and MIT to IKEA and Chick-fil-A. It's all patented, positive-locking, made 100% in the USA, BABA and American Iron & Steel certified, and backed by a 10-year warranty.

Come see it built live — and win. Stop by Booth 304 at the SMACNA Product Show, Tuesday, October 27 from 8 AM to noon at the SMACNA Annual Convention in Orlando. Guess how many wingnuts rattled loose in our jar and win a $1,000 prize. Build one yourself first: get a free samples box at NoMoreWingnuts.com. No more wingnuts. www.NoMoreWingnuts.com

 

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Rossi has been innovating HVAC duct hardware for 30 years. Our mission today is to eliminate wingnut dampers and jiffy blades which rattle loose and throw off your air balance.