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|Vector Mapping: New Forensic Tool for Building Envelope Problems|
Vector Mapping Eliminates Guesswork
Vector mapping pinpoints leaks by tracing the flow of an electric current across the surface of the roof membrane. Because vector mapping detects membrane faults directly, repairs can be made on the spot and immediately retested to ensure watertight results.Vector mapping can be performed using either low or high voltage equipment. In Low Voltage Vector Mapping, the surface of the roof membrane is moistened (not flooded) to create an electrically conductive medium. A conductive wire loop is laid out on the membrane around a section of the area to be tested. Leaks are detected when the electric current flows across the moistened membrane and down through the breach to the roof deck, completing a circuit. Our technician uses two probes connected to a vector deflection indicator to determine the direction of the electric current and precisely locate the breach.
High Voltage Electronic Leak Detection (ELD) is conducted on dry horizontal or vertical surfaces using a small current at relatively high voltage for safe and reliable testing. As the technician sweeps an electrode brush over the membrane surface, electricity will flow through any breach in the membrane, completing a circuit between the brush and the roof deck. In either method, membrane areas that are sound will act as an insulator and prevent the flow of current to the deck, thus verifying membrane integrity.
A Win-Win for All Parties
Professional application of developing technologies like
Vector Mapping gives contractors, architects, engineers and building
owners more accurate information about building performance while
reducing troubleshooting, repair, and energy costs - a win-win for
Call 800-879-1964 today for a free quote for a
Vector Mapping test of your roofing or waterproofing installation.
|For more information, download our Vector Mapping, High Voltage ELD, and ELD Fusion® brochures.|
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