The chip spreader follows just a few minutes behind the asphalt distributor.
Rollers press the chips firmly in place.
Forty-five minutes after the seal coat goes down, U.S. Oil's Susan McFarland, Technical sales Representative, demonstrates the elasticity of the emulsion after is had broken. This produces a chip seal that develops strength rapidly and can be swept soon after construction. McFarland works closely with specifiers and their contractors to help ensure chip seals are placed properly and perform as expected. The primary concern for roads in western Washington is protecting vehicles from flying chips that break loose from failing chip seals or new chip seals just opened to traffic. Vehicle point finishes, headlights and windshields often are damaged by flying aggregate.