Curbing is one of those line items that gets skimmed over on a paving quote — right up until cars start cutting across your landscape islands or stormwater starts washing out the edge of your lot. Curbs steer traffic, protect pavement edges, and move water where you want it to go. And on many Metro Atlanta properties, asphalt curbing does that job for a fraction of what poured concrete costs.
This guide covers what asphalt curbing actually is, the main types you'll see on a quote, where it's the smart choice, and — just as important — where it isn't.
What Asphalt Curbing Is
Asphalt curbing is a raised edge formed from the same hot-mix asphalt used to pave your lot or driveway. Most of it is extruded curb: a curbing machine feeds hot mix through a shaped mold and lays a continuous curb directly on top of the pavement, following whatever line the layout calls for — straight runs, radiuses around islands, gentle curves along a drive lane. Short sections, tie-ins, and repairs can also be hand-formed by an experienced crew.
Because it's laid on top of finished pavement rather than formed and poured like concrete, asphalt curb goes in fast — a crew can typically place hundreds of linear feet in a day, and it's ready for traffic as soon as it cools. That speed matters when you're trying to keep a shopping center or office park open during work, the same way phasing matters on a full parking lot paving project.
The Main Types of Asphalt Curb
Profiles vary by machine and mold, but nearly everything falls into three families:
- Barrier (vertical-face) curb. Roughly 4–6 inches tall with a near-vertical face. Its job is to *stop* vehicles — protecting sidewalks, building faces, utility boxes, and landscape beds. This is the workhorse profile around parking lot perimeters and islands.
- Rolled or mountable curb. A lower, rounded profile that a tire can climb without damage. Used where occasional crossover is acceptable or intended — residential drive edges, medians that emergency vehicles may need to mount, and transitions where a hard vertical face would be a hazard.
- Wedge or berm curb. A simple triangular ridge of compacted asphalt, often called an asphalt berm. It's the most economical profile and earns its keep as a drainage tool: run it along the high or open edge of a lot and it channels stormwater toward inlets instead of letting sheet flow erode the shoulder. With Metro Atlanta averaging around 50 inches of rain a year and slow-draining red clay under most sites, controlling where water leaves your pavement is not optional.
If your lot already has standing-water problems, curbing is often part of the fix but rarely all of it — grading and the pavement surface itself matter more, which is why we look at drainage on every mill and pave overlay we quote.
Where Asphalt Curbing Makes Sense
Asphalt curb is the right call when you need a lot of linear footage, installed fast, at a controlled cost:
- Parking lot perimeters and landscape islands — keeps traffic off the grass and defines the lot so line striping has clean edges to work with.
- Drainage channeling — wedge curb along open edges directs runoff to inlets and protects the unsupported pavement edge, the first place asphalt fails.
- Traffic control on long runs — apartment communities, HOAs, churches, and industrial yards where hundreds of feet of concrete curb would blow the budget.
- Driveway edges — a modest berm along a residential asphalt driveway supports the edge and keeps tires from riding it, one of the main causes of crumbling driveway edges.
- Resurfacing projects — when you overlay a lot, existing concrete curb can end up sitting low relative to the new surface; new asphalt curb is laid at the correct height on top of the fresh pavement.
The best time to install asphalt curbing is during a paving project, while crews, equipment, and hot mix are already on site. Adding it to a new construction or repaving scope costs meaningfully less than mobilizing for curb alone later.
Where Concrete Is the Better Call
Honest answer: asphalt curbing is not a universal replacement for concrete, and a contractor who tells you otherwise is selling, not advising. Spec concrete where:
- Trucks and heavy impacts are routine — dumpster enclosures, loading dock approaches, tight truck-turning radiuses. Asphalt curb will scuff and deform under repeated heavy contact.
- Codes or plans require curb and gutter — many municipal and commercial site plans in Georgia specify concrete curb-and-gutter sections for stormwater conveyance. Asphalt curb doesn't substitute for an engineered gutter pan.
- ADA-regulated areas — accessible routes, curb ramps, and detectable warning surfaces are built in concrete to hold precise dimensions.
- Maximum lifespan on a high-abuse edge — concrete costs more upfront but shrugs off impacts that would chew up an asphalt profile.
Many commercial lots end up with both: concrete where the site plan and abuse demand it, asphalt curb everywhere else to keep the budget sane.
What It Costs and How to Maintain It
As an honest industry range, machine-extruded asphalt curbing typically runs in the neighborhood of $5–$15 per linear foot installed, driven by total footage, profile, layout complexity, and whether it's part of a larger paving job. Poured concrete curb — and especially curb-and-gutter — commonly lands at two to four times that. Exact pricing always comes from a site visit, not a phone estimate.
Maintenance is simple because the curb is the same material as your lot: it gets sealcoated on the same cycle as the pavement, and any cracks at the curb line get sealed before water works underneath — the same logic behind routine crack filling and sealing. Folding curb checks into an asphalt maintenance program means small scuffs get touched up before they become sections that need replacing.
Get a Straight Answer on Curbing
Biran Paving Group has spent 15+ years and 500+ projects paving Metro Atlanta lots and driveways, and we'll tell you plainly where asphalt curb saves you money and where concrete is worth the spend. We're licensed and insured (COI available on request) and hold a 5.0-star rating. Call (678) 332-8941 or email biranpaving@gmail.com for a site visit and an itemized quote.