Electric Field Vector Mapping Leak Detection
We ve tested over 400 million square feet of membrane worldwide through overburden and ballast on horizontal and vertical surfaces providing perfectly accurate results.
Electric field vector mapping leak detection. Leak detection efvm electric field vector mapping is the standard for waterproofing verification. Established in 2005 as one of the first electronic leak detection firms in the united states honza group inc. Over the years we have used many forms of interpretive testing methods such as infrared thermography capacitance testing hygrometers vector mapping sampling etc and found them all to have too many limitations. Ild is the world leader in electric field vector mapping efvm technology we created it.
1 vector mapping grid vmg a welded stainless steel mesh that can be utilized on the fully adhered systems. Electric field vector mapping efvm efvm is a leak detection method based the measurement of the current flow between a non conductive membrane surface and a conductive substrate ie. Is a leader in the field with over 8 000 projects and 200 million sq. A low voltage electrical current is used to create an electrical potential between a non conductive membrane and a grounded conductive deck or substrate.
Efvm electric field vector mapping technology is a standard option for testing and verifying system integrity on hyproof waterproofing systems. This mesh is a non corrosive material that prevents aging deterioration within the roofing system. Electric electronic field vector mapping. A thin film of water is applied to the surface to be.
Already europe s most widely used method for detecting roof leaks vector mapping is rapidly being adopted by manufacturers contractors and specifiers in the. Electric field vector mapping or efvm is a type of non destructive testing used to locate a breach or void in a waterproofing membrane. Efvm is a low voltage leak test method that creates an electrical potential difference between a non conductive membrane surface and conductive structural deck or substrate which is earthed or grounded. Serving nashville cincinnati tampa.
A concrete rooftop balconies planter box etc which is earthed or grounded. As a roofing contractor for 38 years we understand how critical accurate electronic leak detection is for our clients. Javits center new york ny ttc victoria park station toronto on victoria desalination plant victoria australia.