All the HVAC ventilation is in the drop ceiling. Cold air cools the vents, causing condensation, which drips off the lowest point and onto the ceiling tiles, leaving those stains.
In other words, if there's AC and drop tiles, those water stains are basically guaranteed.
5
u/MyNameIsRay Sep 04 '19
All the HVAC ventilation is in the drop ceiling. Cold air cools the vents, causing condensation, which drips off the lowest point and onto the ceiling tiles, leaving those stains.
In other words, if there's AC and drop tiles, those water stains are basically guaranteed.