Part of my job involves figuring out the source of mysterious leaks. This could be ...shainemata (62)in #appics • 5 years ago ... a fire sprinkler, a roof leak, or the rooftop unit HVAC. Gaps in the building envelope are a constant concern for facilities. The problem here, besides the stain, is damage to the acoustic tile if it becomes saturated and warped. #facilitymanagement #palnet #purpose