Field problem
Verify first
Verify before you commit. Cheap to catch now.
Follow the project seal requirement. If screw penetrations need sealing, clean the area and seal with the approved material after the joint is mechanically correct.
Use screws only where the shop/project detail calls for them. Random screws can distort the joint or create more problems.
In Rectangular Duct Assembly: S-and-Drive, I'm looking at: What do I do about screw penetrations near an S-and-drive joint? What should I verify before I cut, drill, seal, cover, move, or install?