Bulk delivery

Asphalt Millings

Asphalt millings, also called recycled asphalt or RAP, are ground-up chunks of reclaimed pavement removed during road resurfacing. Sold by the ton or cubic yard, they give driveways, rural roads, and parking pads a dark, asphalt-like surface at a fraction of paving cost. Best suited for budget-conscious homeowners and contractors comfortable with some DIY compaction work.

Asphalt Millings

What Asphalt Millings Is Used For

Residential driveways

Millings give a smooth, dark surface that looks close to new asphalt at roughly $2 to $5 per sq ft versus $7 to $13 for hot-mix paving. They compact into a firm wearing course over a weekend project timeline. The tradeoff is that in extremely hot climates the residual tar can soften under a parked car or repeated heavy loads during the first season, before the material fully re-bonds.

Best for budget driveway resurfacing on a compacted gravel base

Rural and low-traffic road surfacing

Municipalities and rural landowners use millings as an economical wearing course over existing gravel roads, cutting dust and improving ride quality without a full paving contract. They hold up well under moderate, distributed traffic. They are not engineered for highway speeds or heavy truck volumes, and without proper compaction equipment and grading they can rut faster than professionally designed pavement.

Best for farm lanes, easement roads, and low-volume county roads

Parking lots and equipment pads

Millings create a firm, dust-reduced surface for overflow lots, storage yards, and equipment staging areas at a much lower cost than paving the whole lot. They compact well under distributed vehicle weight. Watch for soft spots under concentrated point loads like jack stands or trailer outriggers, and make sure low spots are graded out so water does not pool and soften the surface from below.

Best for overflow parking, storage yards, and jobsite pads

Base layer under new pavement or chip seal

Reclaimed asphalt pavement is routinely reused as a stable base layer beneath new hot-mix asphalt or chip seal, since it compacts densely and handles load transfer well. This is one of the most common commercial uses of RAP. As a standalone top surface in freeze-thaw climates it performs worse, since surface cracks can trap water and accelerate breakup over winters.

Best for sub-base prep ahead of professional paving

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More About Asphalt Millings

Specifications

Particle size range
Minus 3/4 inch to minus 1.5 inch typical, with finer 3/8-inch minus grades available for smoother surfaces
Coverage per cubic yard
About 80 sq ft at 4 inches compacted depth, about 160 sq ft at 2 inches
Weight per cubic yard
Loose 1.2 to 1.6 tons, compacted up to about 1.9 tons depending on gradation and moisture
Compaction shrinkage
Volume drops 25 to 30 percent when compacted, order loose depth about 1.4x the target finished depth
Drainage behavior
Semi-permeable loose, sheds water once compacted, needs graded subbase and slope
Color
Dark gray to black, resembles fresh asphalt especially after warm-weather re-bonding
Cost range
$10 to $20 per ton or $12 to $32 per cubic yard, plus delivery

How asphalt millings are produced and graded

Asphalt millings are created when a road milling machine grinds up an existing asphalt surface during resurfacing work. The removed material, technically reclaimed asphalt pavement or RAP, still contains the original aggregate along with residual asphalt binder (bitumen) coating each particle. That leftover binder is what makes millings behave differently from plain crushed stone. Once screened, most suppliers sort the material into a coarser minus 1.5 inch grade for base work and driveways, and a finer 3/8 inch minus or processed grade for a smoother finished surface. Because the source material comes from different roads and mix designs, quality and binder content can vary noticeably load to load. Buyers should ask whether the batch is a consistent, screened product or unscreened mixed millings, since inconsistent gradation makes even compaction harder and can leave lumps of old pavement embedded near the surface.

Preparing a base and installing millings correctly

Millings perform best over a properly graded and crowned subgrade, ideally a compacted layer of crushed stone or crusher run that provides drainage and load support underneath. Skipping this step is the single biggest reason milling driveways fail early. Spread the material in lifts of 2 to 3 inches loose depth, then compact each lift with a plate compactor for small areas or a vibratory roller for driveways and lots, rather than relying on vehicle traffic to do the compacting. Since millings shrink 25 to 30 percent as they compact, plan on ordering roughly 1.4 times the loose volume you calculate from your target finished depth. Grade the finished surface with a slight slope, about 1 to 2 percent, toward a drainage path, because compacted millings shed water rather than absorbing it like open-graded gravel. In warm weather, expect the surface to continue firming up over several weeks as the asphalt binder re-fuses under sun and traffic.

How It Compares

Compared with gravel. Gravel is lighter colored, drains better since it has no binder, and never softens in heat, but it does not lock together into a solid surface the way millings do and tends to washboard and rut under vehicle traffic without regular regrading. Millings trade some drainage performance for a firmer, more asphalt-like feel underfoot and less loose stone tracked indoors.

Compared with new hot-mix asphalt. New asphalt is engineered, smoother, and holds up longer without maintenance, but costs roughly two to three times more per square foot and requires paving equipment and crews. Millings look similar once compacted and cost far less, making them a practical DIY alternative, though the realistic service life is shorter unless the surface is later sealed.

Ordering and Coverage

How much do I need to order. Start with square footage times your target compacted depth, most driveways use 3 to 4 inches. One cubic yard covers about 80 sq ft at 4 inches or 160 sq ft at 2 inches. Because loose millings compact down 25 to 30 percent, add 30 to 40 percent extra loose volume to your base calculation, or use a supplier's tonnage calculator to convert square footage and depth directly into tons.

How millings are sold and delivered. Asphalt millings are typically sold by the ton, with bulk dump truck delivery in loads ranging from about 8 to 20 tons depending on the truck and jobsite access. Pricing runs $10 to $20 per ton or $12 to $32 per cubic yard, with delivery adding roughly 50 percent depending on distance and load size. Smaller quantities may be available bagged or by trailer load for tight-access residential sites.

Common Asphalt Millings Questions

How much do I need to order?
Multiply square footage by your desired compacted depth, most driveways use 3 to 4 inches, then add 30 to 40 percent extra loose volume for compaction shrinkage. A tonnage or cubic yard calculator from your supplier can do this conversion automatically.
How many square feet does a ton cover?
A ton typically covers 60 to 100 sq ft depending on depth, roughly 80 to 100 sq ft at 2 inches, 55 to 65 sq ft at 3 inches, and 40 to 60 sq ft at 4 inches compacted. Deeper installations need proportionally more tonnage.
Do I need a compactor, or can I just drive on it?
Proper compaction with a plate compactor or roller is strongly recommended. Letting vehicle traffic do the compacting leads to uneven ruts, loose surface material, and a driveway that never fully firms up the way a mechanically compacted one does.
Will it get as hard as real asphalt?
It firms up considerably over weeks to months as residual binder re-bonds under compaction and warm temperatures, but it will not match the strength or uniform surface of professionally laid hot-mix asphalt, especially without a sealcoat later on.
Does it drain well, or will water pool?
Once compacted, millings shed water more like a sealed surface than free-draining gravel. Grade the base and finished surface with a 1 to 2 percent slope toward a drainage outlet to prevent ponding and premature surface breakdown.