Used to improve the functional surface characteristics of the concrete pavement including enhancing friction and reducing noise. Consists of open or gap-graded aggregates and rubberized or polymer-modified asphalt layer (0.4 to 0.8 in. thick) well bonded to the concrete surface. Also referred to as Thin Overlay, Thin HMA Overlay, Functional Overlay, Ultra Thin Bonded Wearing Course.
Thin HMA Overlay
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