Recycled Asphalt Mixes | Asphalt Pavement Association of ...
Recycled asphalt pavement (RAP) Asphalt pavements are comprised of layers or "lifts" of asphalt concrete, a combination of graded aggregate and sand, typically 94 to 96 percent, bound together by asphalt cement (better known as asphalt binder). Asphalt cement/binder is a most unique material.