Ductmate Four Bolt Flange The Ductmate 35 Flange along with the mated accessories (corners, cleats, etc) is made into a rectangular frame that slides onto the raw ends of duct sections. When fastened and (to the duct wall) and then connected (with another Ductmate frame) it becomes the strongest transverse connection In rectangular duct construction. […]
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The Value of a Corner Crimp Tool for TDC/TDF There are 3 options for securing the TDC/F Corner to the ductwork after it’s been set in place: Tinners Hammer, Crimping Tool, or a Corner machine.
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It’s not Chewing Gum…it’s Pink Butyl Gasketing! Duro Dyne’s new UL Listed 440 Butyl Gasketing is Pink; standard 3/16” x 5/8” x 25 ft and 20 rolls per box. What makes it special? A few things: 440 Grade means it’s a firmer product H Pattern design makes for a cleaner compression to the duct frame
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TDC vs. TDF Profile Mated TDC and TDF Profiles Lockformer’s TDC Machine (circa 1975)Smacna classifies any rolled on transverse connector as T25. Lockformer came out first with a TDC Rollformer (Transverse Duct Connector) and then Engel followed with their TDF Rollformer (Transverse Duct Flange). These machines rollform the Flange to the end of the Duct
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B. Ductmate Repeater Nails C. Clinching using a Trumpf 350 Power Fastener Not all jobs are suited for Butyl Gasketing…
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