Do not hang duct from a rod that only catches one or two threads.
Check
Check visible thread engagement at nuts/couplings.
Look for short rods, cross-threading, or stripped nuts.
Support the duct before replacing the rod.
Use correct length rod or approved extension.
Recheck level after proper hardware is installed.
Steps
Check visible thread engagement at nuts/couplings.
Look for short rods, cross-threading, or stripped nuts.
Support the duct before replacing the rod.
Use correct length rod or approved extension.
Recheck level after proper hardware is installed.
Say this to your foreman
The hanger rod at [location] is barely threaded into the nut. I stopped loading that support. Do you want a correctly cut rod or approved extension installed?