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Columbia Sealcoat Co is a Connecticut driveway sealcoating business. Its Connecticut home improvement contractor registration, number HIC.0552418, is active on the state registry under the name COLUMBIA SEALCOAT. A 2025 customer said the company gave an honest evaluation of a cracked driveway and did a great job with the coating. A 2025 customer said they taped the entrance to the garage doors and the seams between the foundation and the asphalt so seal coat would not get on the concrete. That 2025 customer also said they offered to return in six months for a part of the driveway under dense foliage that took a long time to dry. A 2024 customer recommended Tom Grano and his crew, saying the driveway needed to be sealed and a few spots needed to be repaired. That 2024 customer said he was accommodating when they requested a specific time frame.
It was Very easy to work with this experienced company. It Looked like a family operation which valued honesty, reputation and punctuality. They gave me an honest evaluation of my cracked up driveway and did a great job with the coating.
Outstanding job! They were meticulous on the application of the seal coat. They actually taped the entrance to the garage doors so that there wouldn’t be seal coat on the concrete. They also did the same at the seams between the foundation and the asphalt. They also offered to return in six months because we have a part of our driveway that is covered by dense foliage that took a long time to dry.
I highly recommend Tom Grano and his crew! Our driveway needed to be sealed and a few spots needed to be repaired. We couldn’t be happier with the final result. He was also very accommodating when we requested a specific time frame. Bottom line: they were professional and reasonable! Can’t ask for anything more!
Columbia Asphalt Paving is great. Did fantastic work for my driveway will have them back in the future to have more work done!!
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2 changes recorded — last scanned Nov 1, 2026.
Repair options explained instead of a replacement sale4.4
Topsoil and grading to level a yard4.4
Saybrook driveway widened and paved3.6
40 years in business3.6
Hot crack sealer applied by hand wand4.1
