Leak detection system for roofs

摘要: A moisture intrusion detection system is provided, wherein a plurality of independent and insular detecting units are placed in predetermined spaced apart relationship across the surface roof structure, or other incorporating water impermeable membrane, beneath membrane thereof. Each includes power supply unit signalling unit. When penetrates leak condition exists activated battery activated. contact with In combination units, position direction locator apparatus used to localize source extent any damage caused thereby.