A large louver is only held by trim flanges and the frame bows in wind
Trim flanges are not the structural support for big wind-loaded louvers. Stop and add the approved structural mounting angles/brackets into the building frame.
Do not rely on an architectural trim flange to hold a large exterior louver against wind load.
Check
Look for frame bowing, cracked drywall, or loose perimeter trim.
Check whether anchors connect to structure or only trim/flange metal.
Review the louver submittal anchorage detail.
Verify wind-load/bracket requirements with the foreman/GC/detailer.
Do not cover the frame until the structural support path is correct.
Steps
Look for frame bowing, cracked drywall, or loose perimeter trim.
Check whether anchors connect to structure or only trim/flange metal.
Review the louver submittal anchorage detail.
Verify wind-load/bracket requirements with the foreman/GC/detailer.
Do not cover the frame until the structural support path is correct.
Say this to your foreman
The large louver at [location] is bowing and appears to be held by trim flanges only. I checked the anchor path. Do you want structural mounting angles added per the louver detail?