Late August is when the phone calls change. Homeowners in Warren and Clinton County who spent the summer thinking about their driveway start searching for sealcoating near them, and the trucks that go door to door with leftover material start knocking. The nine questions below are what a homeowner can ask on a first phone call to tell the two apart, along with what a correct answer sounds like.
What should you ask a sealcoating company before you hire one?
Ask these nine questions in this order. A contractor who answers all nine without hesitating has done the work before.
- Where are you based, and what is your service radius? A local answer names a town. Michelson’s Sealcoating works out of 2363 Lebanon Rd in Clarksville and covers roughly a 45-mile radius, which takes in Lebanon, Mason, Springboro, Wilmington and the rest of Warren and Clinton County.
- What sealer product are you applying, and can I see the data sheet? Every commercial sealer has a manufacturer and a technical data sheet listing coverage rate and cure time. A contractor who cannot name the product is buying whatever is cheapest that week.
- How many coats, and what is the coverage rate per gallon? This is the number that decides whether you get a real coating or a thin wash.
- How do you prepare the surface? Edging, blowing, wire brushing oil spots and treating them with a primer come before any sealer touches asphalt.
- Are the cracks and potholes priced separately? They should be. Sealer is a coating, not a filler.
- Is the quote per square foot, and did you measure? A number produced from the curb without a wheel or tape is a guess.
- Do you carry liability insurance? Ask for the certificate, not a yes.
- Can I see photos of driveways you sealed in my area? Local job photos are harder to fake than a review.
- What happens if it rains that afternoon? The answer should be that the crew reschedules, not that they seal anyway.
What kind of sealer should be used on an Ohio driveway?
Use a commercial-grade sealer bought by the drum with a published data sheet, applied at the manufacturer’s coverage rate. The two families in common use are refined tar sealers and asphalt emulsion sealers, and both perform when applied correctly at the right thickness. What separates a driveway that still looks black next summer from one that fades by June is rarely the family of sealer. It is how much water went into the batch and how many square feet the crew stretched a drum across.
That is why the coverage question matters more than the brand question. Ask what the label says the coverage rate is, then ask how many gallons the crew plans to put on your driveway. The two numbers should agree with your square footage.
How many coats of sealer does a driveway need?
Most residential driveways get two coats, applied the same day with the first coat dry before the second goes down. One coat is defensible on a driveway that was sealed within the last two years and still has coating on it. A driveway that has gone gray and porous soaks up the first coat and needs the second to build a film.
Commercial lots follow the same logic at a larger scale. High-traffic lanes and entrances often get an extra pass because that is where tires scuff the coating off first.
Is it too late to sealcoat in Ohio in late August or September?
No. Late August through late September is one of the better windows of the year in southwest Ohio. Daytime highs still carry the asphalt surface well above the minimum, and the punishing mid-summer heat that flashes sealer off too fast has eased.
The limit is temperature, not the calendar. Sealer needs a surface at 50°F and rising when it goes down, no rain in the following 24 hours, and overnight lows that stay warm enough for the film to cure rather than sit wet. Once October nights in Warren County start dropping into the 40s, the usable window closes fast, and it does not reopen until spring.
A driveway you seal in September goes into winter with a fresh film over it. A driveway you put off until spring spends the freeze-thaw season with water working into every open crack. For more on the seasonal windows, see our guide to the best time to sealcoat a driveway in Ohio.
Do cracks and potholes need to be fixed before sealcoating?
Yes, and they are separate work with separate pricing. Sealcoat is roughly the thickness of a coat of paint. It bridges nothing.
- Cracks wider than about a quarter inch get a pourable crack filler before sealer, so water stops reaching the base underneath.
- Potholes and alligatored areas get cut out and patched. Asphalt patch work is a distinct service, and any quote that folds it silently into a sealcoating price is hiding something.
- Parking lots with faded layouts get striped after the sealer cures, never before, because the sealer would cover fresh paint.
We cover the sequence in more depth in crack filling vs sealcoating.
How much should driveway sealcoating cost in Warren County?
Sealcoating is priced per square foot, and the honest way to produce that number is to measure the driveway. Length times width gives the square footage, condition and access adjust the rate, and crack filling or patching is added as its own line. Our Ohio sealcoating pricing guide walks through the per-square-foot ranges and what moves them.
Two pricing signals are worth watching for. A quote far below every other bid usually means a thinned batch or a single coat. A quote given over the phone without a square-foot figure means nobody has measured your driveway yet.
How long do you have to stay off a freshly sealed driveway?
Plan on 24 hours before foot traffic and 24 to 48 hours before parking on it, longer in cool or humid weather because the film cures by evaporation. Sharp turns from a standing start scuff new sealer, so back straight out for the first week. The full breakdown is in how long to stay off a sealcoated driveway.
Any contractor who tells you the driveway is ready in two hours is describing a coat that was applied too thin.
How do you verify a sealcoating company is local and legitimate?
Check four things before you write a deposit check.
- A physical address you can find on a map, not a cell number and a first name.
- Job photos from towns you recognize. Our portfolio page shows driveways and lots across Warren and Clinton County.
- A Google Business Profile with reviews that mention specific streets or towns.
- A written quote listing square footage, number of coats, crack filling and any patching as separate lines.
Door-to-door crews working from leftover material fail at least three of those four. That is the whole test.
What should you do before the sealcoating season closes?
Book the measurement now rather than in October. Michelson’s Sealcoating handles driveway sealcoating, parking lot sealcoating, line striping and asphalt patch work across Clarksville, Lebanon, Mason, Springboro, Wilmington and the surrounding Warren and Clinton County communities, with same-week scheduling available when the calendar allows.
Call 513-317-6770 or request a free quote, and we will measure the driveway, price the crack filling separately, and tell you honestly whether your pavement should be sealed this season or patched first.

