| RAM CONSULTANCY LTD NON-DESTRUCTIVE LEAK TESTING |
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Non-destructive leak detection and electrical capacitance testing can quickly and accurately identify water entry pathways and areas of entrapped water within a roof construction. Used individually or in combination these techniques can be used as quality control on new projects or investigations prior to remedial works where they can offer significant cost savings over complete roof refurbishment or remove any liability for damage from following trades. Anyone who has responsibility for the maintenance of a building will be fully aware with the high costs associated with roof leaks. The cost of leak repairs are not limited to the physical work involved but have knock-on effects on production, staff, fixtures and fittings. The traditional way of leak testing flat roofs has relied upon visual inspection and flood testing, neither of which has proved adequate in precisely locating the point(s) at which water has entered into the roof construction. Visual inspection relies not only upon the experience of the inspector, but more importantly that the defect is visually discernable. The latter, flood testing is expensive, takes time, allows more water into the building and merely serves to confirm that you have a leak, but provides no information as to the precise source. Non-destructive leak testing pinpoints the exact locations of water pathways, quickly and accurately with minimal disruption or damage to the building. Electronic Leak Detection (ELD). ELD testing introduces a safe electric current over the roof membrane and the experienced test technician can identify any pathways where the current flows to earth, such as, the roof deck, therefore pinpointing the leak or leaks. Targeted repairs to resolve the leaks can then be specified.
This testing introduces a safe electric current into the roof construction and by measuring the electrical resistance identifies areas that may contain entrapped water. Depending upon the extent of the identified areas containing entrapped water it can be decided whether to selectively strip and replace or dewater using specialist vacuum dewatering equipment. Photograph above: Entrapped water survey Applications These techniques can be used individually or in combination on existing membranes to accurately locate the positions of any leaks and areas of entrapped moisture within a roof construction. Using these techniques either as part of a proactive maintenance program or to investigate a specific problem, we can locate any potential water entry pathways before they begin to leak or identify the cause of specific leaks. Providing targeted repairs to resolve the leaks, negating the need for repeated costly visits by a roofing contractor patching the roof and that may still leave you with a leaking roof. The tests can be used on the majority of roof constructions. Summary Electronic Leak Detection (ELD) and Electronic Capacitance Testing (ECT) can quickly and accurately identify water entry pathways and areas of entrapped water within a roof construction. Used individually or in combination these techniques can be used in investigations prior to remedial works where they offer significant cost savings (up to 95%) over complete roof refurbishment, or alternatively as quality control on new projects. Non destructive leak testing - Contact us for more information or to request a quotation.
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