The importance of the tack coat application between asphalt pavement layers cannot be stressed enough. Understanding that a properly designed pavement structure will only function optimally if there is proper drainage, proper selection of materials for the aggregate base course, proper thickness of pavement layers, and that those pavement layers all function monolithically to withstand the lifetime of repetitious loading that the roadway is expected to receive. This video stress the importance of properly applying an asphalt emulsion tack coat and what a proper tack application looks like.
