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Article of the Month:

Using Electronic Leak Detection Methods to Prevent Water Ingress and Determine Source of Water Leakage in Low Slope Roofing and Waterproofing

Chad Herrick, EIT

Detec Systems, LLC
PO Box 31725 Bellingham, WA 98228
Ph: 970-759-6312 

Electronic Leak Detection (ELD) methods are used for determining discontinuities in the form of breaches and seam voids in low slope roofing and waterproofing assemblies. The first ELD method was developed in Germany in the 1970’s. Since then, several different advancements have been made to the original EFVM methods allowing for greater accuracy and speed of testing. ELD methods can be used on new construction to locate and repair breaches before they cause extensive water saturation in the roofing assembly. ELD methods can also be used in forensic testing situations to locate where water is entering the roofing/waterproofing assembly. When ELD methods are used in conjunction with thermal imaging, both the extent of water inundation along with the locations of the membrane breaches can be determined.

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