Pittsburgh Lock Seam Direction
Pittsburgh lock direction matters for airflow, drainage, and integrity.
Stop if
- Should Pittsburgh lock point with airflow or away? Confirm before crimp.
Watch out
- Don't install against airflow. Don't crimp without checking orientation.
Check
- Airflow direction?
- Male leg on correct side?
Steps
- Airflow direction?
- Male leg on correct side?
Say this to your foreman
Should Pittsburgh lock point with airflow or away? Confirm before crimp.
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