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.
Hammering the TDC Flange down to secure the Corner? It can get pretty Ugly! For less than $200.00 you can do it faster and get a better looking “crimp” Duro Dyne TDC Corner Crimp Tool crimps the TDC flange over the Corner to secure it on both sides
This tool crimps over the TDC/F profile so it folds over and secures the Corner
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