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*The Angi rating for Driveway Sealcoating companies in Roundup, MT is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Driveway Sealcoating needs.

*The HomeAdvisor rating for Driveway Sealcoating companies in Roundup, MT is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Driveway Sealcoating needs.

Last update on May 31, 2026

Top-Rated Driveway sealcoating pros in Roundup - Updated Nov 2026

Avatar for Asphalt Paving & Professional Coatings
Asphalt Paving & Professional Coatings
4.1(
29
)
Asphalt SealingAsphalt Sealing- For Business

Serving Roundup, MT and surrounding areas

Approved

In business since 2006

Free estimates

Credit card accepted

"Fortunately, this company wasn't the normal seal of your driveway and run. This company removed any high spots, bumps, low spots, covered everything with a fresh surface of new asphalt and they ran roller machines over it for some hours. It looks great."
Before we graded it
Hot Mix
Grading
Response time3 days
22 neighbors recently requested a quote
Recommended by76%of homeowners
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CharmsDriveway, LLC
5.0(
1
)
Asphalt Sealing

Serving Roundup, MT and surrounding areas

In business since 2018

Free estimates

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumers' needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

Response time3 days
Recommended by100%of homeowners
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Ostermiller Construction LLC
New to Angi
Asphalt SealingAsphalt Sealing- For Business

Serving Roundup, MT and surrounding areas

In business since 2023

Free estimates

Credit card accepted

Ostermiller Construction LLC in Shepherd, MT specializes in concrete, asphalt, curb, driveway, walkway, sidewalk, parking lot construction, and dirt work. We offer free estimates.\n\nWe serve in Shepherd, MT, Broadview Town MT; Roundup MT; Camp Three MT; Klein MT; and the surrounding areas.\n\nAsphalt Repair, Asphalt Contractor, Asphalt Driveway Repair, Asphalt Crack Repair, Parking Lot Asphalt Repair\nConcrete Service\n\nFor more information visit our website: https://constructionshepherdmt.com/

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Driveway Sealcoating FAQs, answered by experts

Since freeze-thaw cycles throughout the winter months can damage your driveway, it's best to winterize your driveway in the late fall before the first freeze hits. Doing so will help to protect your driveway from damage throughout the winter season. Plus, drier, warmer weather makes applying and curing sealant much easier.

Professionals provide high-quality sealants and applications, extending pavement life and enhancing appearance.

Regular sealing, crack filling, and professional inspections help extend pavement lifespan and prevent costly repairs.

New asphalt goes through two stages: drying and curing. Drying typically takes 24 to 72 hours, after which the surface is solid enough for light use like walking or careful driving. While you may be able to park on it after 72 hours, the surface is still soft and should be treated gently. Full curing is a much longer process, taking anywhere from 30 days to a full year for the asphalt to reach maximum strength. During this extended curing period, the asphalt is susceptible to damage from heavy vehicles, sharp objects, and high temperatures. Factors like weather, the specific asphalt mix, and application thickness all influence drying and curing times. For the most accurate timeline and to ensure the longevity of your new asphalt, it is always best to consult with your installation contractor for their specific recommendations.

It extends pavement life, improves appearance, protects against weather, and reduces maintenance costs.

The Roundup, MT homeowners’ guide to driveway sealcoating

From average costs to expert advice, get all the answers you need to get your job done.

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