A system and method for monitoring moisture at a structural component having a membrane for fluid impermeability and a deck for supporting the membrane at a first side of the membrane opposite a second side of the membrane is provided. The system includes: (a) a plurality of sensors spaced apart from each other adjacent to the membrane at the second side, the plurality of sensors including one or more wireless sensors, each of the sensors including a plurality of sensor conductors and a connection member connecting the plurality of sensor conductors to each other while electrically insulating the sensor conductors from each other; and (b) a controller operable to selectively communicate wirelessly with each of the wireless sensors, and operable to selectively determine a sensor output from each of the sensors.

The method involves measuring resistance for longterm tracking of pooling of an electrically conductive fluid on the structural component.

The subject of the invention is based on an insulating element, in particular a strip or other insulating element, joined in particular by melting or welding, which is provided on at least one side with a combustible or thermally destructible and electrically conductive element. The invention also relates to a method of inspecting of welds and melting of insulating elements, in particular strips. The invention further provides a control system for welds and melting-down of insulating elements.

A water-impermeable membrane assembly, having leak alarm capabilities and useful for sealing a roof surface, comprises upper and lower water-impermeable membranes sealed to each other at respective perimeters to form a plenum enclosed from above and below with area defined by the perimeter sealing, a leak-alarm circuit within the plenum, activatable by the presence of water, a leak-alarm target in the circuit being operative to trigger activation of the leak-alarm circuit when in contact with water, and a capillary pathway disposed within the plenum in contact with the leak-alarm target, to provide a pathway for transport of water by capillary action to the leak-alarm target. The leak-alarm circuit comprises a transmitter for transmitting a signal when activated, and a battery for powering the transmission of the signal. A ratio of leak-alarm target footprint to plenum area is less than 0.05.

A leak detection system for a membrane is disclosed. The system includes a non-permeable membrane; a plurality of printed sensors configured to obtain membrane measurements at a plurality of locations of the membrane; and a control circuit.

An adhesive composition and use thereof for providing adhered roof systems, the adhesive composition including at least one elastomer, at least one organic solvent, at least one powdered superabsorber polymer, and at least one color pigment. The method includes preparing an adhered roof system, an adhered roof system, and the use of color pigments in an anhydrous adhesive composition for enabling leak detection in adhered roof systems by visual inspection.

The invention relates to a construction foil (16), especially roof film, roofing foil, flat roof sheeting, fa-cade sheeting and/or vapor barrier and/or sub-roofing sheeting, especially underlayment and/or sarking sheeting, with a single- or multilayer layer structure (17). It is provided according to the invention that at least one moisture sensor (1) for detecting moisture is associated to the construction foil (16), that the moisture sensor (1) is designed as an active pick-up, and that the moisture sensor (1) comprises at least one electrode (18) and/or a humidity sensing element, and the electrode (18) and/or the humidity sensing element is in direct contact with a nonwoven layer (19).

A device, structure, use and method for detecting a leak in a building, particularly in a roof, and/or in a wall and/or a ceiling and/or a floor, particularly in a wet room, of the building, comprising at least one pipe in which a fluid can be conducted, wherein a suction device is in fluid connection with a first end of the at least one pipe. An absorbent material is provided and a second end of the at least one pipe is arranged such that the fluid can be removed from the absorbent material, and at least one measuring device for analyzing the fluid is in fluid connection with the pipe.

The present disclosure relates to moisture-impermeable membranes and discloses a waterproofing membrane for use with leak detection system. The membrane comprises, an intermediate layer fused between upper and lower waterproofing layer. The intermediate layer comprises conductive grid, formed by weaving conductive threads, that define a plurality of zones. Each zone comprises a cross sensor, formed by conductive threads. The conductive grid and the cross sensors are connected to a positive terminal of a power supply and negative terminal is connected to a deck. During leak detection, power supply to a selected cross sensor is disconnected, potential difference is measured between the cross sensor and the grid, and compared with a pre-defined threshold potential difference to identify leakage. The membrane eliminates complex wires and cables structure in comparison with conventional waterproofing and leak detection systems.

The inventive disclosures pertain to an improved roofing-protection system that features enhanced leak-detection and analytical capabilities. The improved system features RFID-enabled moisture-sensing elements contained in a moisture-sensing membrane, and can measure impedance changes across the moisture-sensing membrane. In some variations, the system is designed to detect and measure moisture leakage and roof loading by way of biplanar capacitance measurements. RFID tags for moisture sensors are read by drones or robots and wirelessly transmitted to the Cloud/Internet for remote data analytics.

The inventive disclosures pertain to an improved moisture-sensing insulation panel for use in building structures that features enhanced leak-detection and analytical capabilities. The improved system features RFID-enabled moisture-sensing elements contained in a moisture-sensing membrane, and can measure impedance changes across the moisture-sensing membrane. In some variations, the system is designed to detect and measure moisture leakage and structural loading by way of biplanar capacitance measurements. RFID tags for moisture sensors are read by drones or robots and wirelessly transmitted to the Cloud/Internet for remote data analytics.