SC Roofing Contractor Practice Questions - South Carolina General Contractor - Roofing Subclass Exam

What is the purpose of Electronic Field Vector Mapping (EFVM) in commercial roofing?

To measure wind speed on the roof To locate membrane breaches and leak paths using electrical current To map the drainage pattern of the roof To test the R-value of installed insulation

Correct Answer:

To locate membrane breaches and leak paths using electrical current

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