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

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Last update on July 25, 2026

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

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Driveway Sealcoating FAQs, answered by experts

Sealant comes in 5-gallon buckets that can cover up to 400 square feet. Measure your driveway to get the exact square footage, and remember to factor in enough sealant for two coats.

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.

If you notice minor cosmetic problems with your driveway, you should seal it. Look out for cracks and holes on the surface, faded asphalt or concrete, and stains from oil and other chemicals. Replacing your driveway may be necessary if you’re dealing with significant problems—¼-inch cracks, large potholes, and puddles from drainage issues. The cost to install an asphalt driveway typically ranges between $4,200 and $9,000, significantly more than resealing. Consider talking to a professional to discuss whether resurfacing your driveway—a midway project between resealing and replacing—is a better option for you.

Sealing coat asphalt after 6-12 months and then every 2-3 years is recommended.

Asphalt dries and cures best between 50 and 85 degrees Fahrenheit. This range allows moisture to evaporate quickly without causing the asphalt to cool too fast, which can negatively affect the drying process. However, keep in mind that other weather conditions can also affect curing and drying times, such as precipitation and humidity.

The Ulm, 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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