Hanger layout check

Rod Drop Helper

Check a basic drop from a known reference elevation to the top of strut or approved hanger point.

Reference height (in.)Target strut / hanger height (in.)Extra nut / washer allowance (in.)

Enter the reference and target heights.

This tool does not select rod size, hanger spacing, anchors, attachment points, trapeze members, or structural capacity.

Check before cutting rod

Use the same benchmark and elevation reference as the crew.
Confirm whether the target is top of strut, bottom of duct, or another approved point.
Account for the real insert, coupling, nuts, washers, and strut orientation.