Full-depth reclamation machine stabilizing asphalt base during pavement reconstruction

What is full-depth reclamation (fdr)?

By Katelyn Watson


When asphalt is covered in alligator cracking, deep ruts, and recurring potholes, the issue usually runs deeper than the surface. In many cases, the base has failed — and that’s where Full-Depth Reclamation (FDR) becomes the right solution.

Full-Depth Reclamation is a method of rebuilding failed pavement without completely tearing it out and hauling it away. Instead of removing everything and starting over, the existing asphalt and a portion of the underlying base are pulverized, blended together, and compacted to form a new stabilized foundation. A new asphalt surface is then installed on top.

It’s a true structural repair — rebuilding the pavement system from the ground up using much of the material already in place.

How the Full-Depth Reclamation (FDR) Process Works

Specialized reclamation equipment grinds the existing asphalt and base into a uniform material. Depending on site conditions, stabilizing agents such as cement or asphalt emulsion may be incorporated to increase strength and durability. The blended material is then graded and compacted to create a solid, stable base before a new asphalt surface is paved.

Because materials remain on-site, the process significantly reduces trucking, imported aggregate, and overall disruption compared to traditional reconstruction.

When FDR is the Right Fit

FDR is typically recommended when pavement problems are widespread and structural. Signs include:

  • Extensive alligator cracking
  • Deep rutting or soft areas
  • Base instability
  • Ongoing drainage-related damage
  • Repeated surface failures after previous overlays

If the foundation is compromised, resurfacing alone is only a temporary fix. Full-Depth Reclamation addresses the root cause.

When Full-Depth Reclamation (FDR) Stands Apart

For large commercial sites, industrial yards, and municipal roadways, FDR offers:

  • Lower material and hauling costs
  • Faster project timelines
  • Reduced environmental impact through material recycling
  • A stronger, longer-lasting pavement structure

Just as important — not every paving contractor performs Full-Depth Reclamation in-house. Many subcontract this work or avoid it altogether due to the specialized equipment and expertise required. Having the capability to complete FDR internally means greater quality control, tighter scheduling, and a fully integrated approach from base stabilization through final paving.

When structural failure is present, FDR isn’t just another repair option — it’s often the smartest long-term solution.

Why Our In-House FDR Capability Matters

Full-Depth Reclamation requires specialized equipment, technical expertise, and experienced crews — which is why many contractors subcontract this work or don’t offer it at all. At ASI, we perform FDR in-house as part of our fully integrated paving operation. That means tighter quality control, better scheduling, and a seamless transition from stabilization through final paving. It’s one of the ways we deliver long-term pavement solutions — not just surface-level fixes — and it’s a key reason clients trust us with complex reconstruction projects.


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ASI Paving truck on gravel lot in Michigan before asphalt installation