Find the access side, label, actuator, fusible link, sleeve, blade area, or inspection point.
Check that permanent access remains reachable after walls, ceiling, insulation, hangers, and other trades are installed.
Check airflow arrow, access side, actuator side, label orientation, and approved installation direction before fastening.
Ask foreman
In Fire/Smoke Dampers, Access Doors & Rated Assemblies, I’m looking at: What do I do when installing damper backwards or wrong orientation? What should I verify before I cut, drill, seal, cover, move, or install?
Do not
Do not treat damper or rated-assembly work like normal duct.
