Plenum Leaking
Reduction in plenum pressure when subfloor is used as an air plenum.
- Missing edge trim
- Lateral instability
- Vertical instability
- Improper sealing the cutouts
- Using stringers without gaskets
- Not using cove base at perimeter and column locations to seal floor
Causes:
- Reduction in static pressure
- Improper balance of air delivery around sensitive equipment
Consequences: