Thin Asphalt Overlays for Pavement Preservation

Thin asphalt overlays are a popular approach for pavement preservation because of their ability to improve ride quality, reduce pavement distresses, maintain surface geometrics, reduce noise and life cycle costs, and provide long-lasting service. This document provides guidance on when to choose Thinlays, how to select materials and design mixes, construction and quality control, and what type of performance benefits to expect.