10/01/2026
https://evolvesolutions.ca/gravity-doesnt-work-sideways-even-on-a-tight-schedule/
Gravity Doesn’t Work Sideways. Even on a Tight Schedule. A fire damper can fit the duct opening and still fail to do its job. On a recent project, a simple orientation error became a costly lesson—and delayed the opening. The duct connection was 22″ wide × 14″ high.