SC Asphalt Paving Practice Questions - South Carolina Asphalt Paving Contractor Examination Exam

What is the primary purpose of a tack coat of emulsified asphalt or binder?

To penetrate and bind an untreated granular base To create a bond between pavement layers so they act together and resist slippage To seal the finished wearing surface against sunlight To cool the HMA before the breakdown roller

Correct Answer:

To create a bond between pavement layers so they act together and resist slippage

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