TinnerFlow™2nd YearSheet Metal Work
The female end must be formed to the correct depth and angle to grip the male end securely. Use the proper forming tool and verify the finished joint requ…
The female end must be formed to the correct depth and angle to grip the male end securely. Use the proper forming tool and verify the finished joint requires firm hand pressure to assemble — if it slides freely, reform it.
Do not hide, force, cover, or “make it work” if this affects safety, access, airflow, rated assemblies, supports, equipment, or inspection. Stop and verify the approved correction.