The temporary blank-off on the inactive louver section blew out at startup. I checked active area, pressure, and weather exposure. Do you want a rigid sealed blank-off panel fabricated per detail?
Watch out
Do not use cardboard, tape, foam scraps, or loose sheet metal as a permanent louver blank-off.
Check
Identify active vs inactive louver area and what duct/plenum connects behind it.
Check pressure direction, weather exposure, drain/weep path, and insulation needs.
Remove temporary patch material and inspect frame attachment points.
Fabricate/install approved rigid blank-off panel and perimeter seal.
Restart/check for air bypass, rattle, and water path.
Steps
Identify active vs inactive louver area and what duct/plenum connects behind it.
Check pressure direction, weather exposure, drain/weep path, and insulation needs.
Remove temporary patch material and inspect frame attachment points.
Fabricate/install approved rigid blank-off panel and perimeter seal.
Restart/check for air bypass, rattle, and water path.
Say this to your foreman
The temporary blank-off on the inactive louver section blew out at startup. I checked active area, pressure, and weather exposure. Do you want a rigid sealed blank-off panel fabricated per detail?