SC Roofing Practice Questions - South Carolina Roofing Contractor Examination Exam

Equiviscous temperature (EVT) for built-up roofing asphalt is:

The flash point of the asphalt, which must never be approached The application temperature that gives the asphalt the proper mopping viscosity, used at EVT plus or minus 25°F The ambient air temperature below which BUR cannot be installed The kettle temperature at which Type I asphalt becomes Type IV

Correct Answer:

The application temperature that gives the asphalt the proper mopping viscosity, used at EVT plus or minus 25°F

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