Sealcoating Experts Serving Swanzey, NH & Nearby Areas

Protect and restore your asphalt with professional sealcoating, crack filling, pothole repair, and line striping services in Swanzey, NH. We help keep your driveway and parking lot looking great and lasting longer.

DM Sealcoating LLC
DM Sealcoating LLC
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Years Of Experience
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Happy Customers
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Customer Satisfaction

Learn more about our dedication to quality workmanship and customer satisfaction.

Learn More About Our Services

Founded in Swanzey, New Hampshire, DM Asphalt Sealcoat is owned and operated by Dennis Mapes of DM Sealcoating LLC. With over 10 years of industry experience, Dennis is committed to delivering high-quality asphalt maintenance services for both residential and commercial properties. We specialize in sealcoating, crack filling, pothole repair, and line striping, providing reliable, long-lasting results that protect and enhance your asphalt investment. Our focus on quality workmanship, dependable service, and customer satisfaction has made us a trusted choice throughout the Swanzey area.

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Comprehensive Asphalt Maintenance Solutions

01.

Sealcoating

Protect and extend the life of your asphalt with our professional asphalt maintenance services.

Detailed view of road maintenance with asphalt and worker tools in daytime.

02.

Crack Filling

Repair asphalt cracks to prevent further damage and deterioration.

Tarmac road construction on a sunny day in Marsing, Idaho.

03.

Pothole Repair

Fast, reliable pothole repair to restore safe, smooth driving surfaces.

An empty curvy road with yellow lines through a lush green park on a cloudy day.

Protect Your Investment Today!

Don’t wait until it’s too late! Schedule an assessment and see how we can extend the life of your asphalt.

(603) 313-5551

Why Choose Us?

Experienced Team

Our skilled professionals bring years of experience to every project, ensuring high-quality workmanship and satisfaction.

Affordable Pricing

We offer competitive rates without compromising on quality, providing value for your asphalt maintenance needs.

Customer Focused

Your needs are our priority. We work closely with clients to deliver tailored solutions for every project.

Hear from Our Satisfied Customers

They transformed our driveway and made it look brand new. The crew was professional, showed up on time, and did an outstanding job. I highly recommend them!
John SmithSwanzey, NH
We couldn’t be happier with the sealcoating job Dennis did on our parking lot. He was professional, completed the work on time, and the results exceeded our expectations. Great quality at a fair price!
Emma JohnsonSwanzey, New Hampshire

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Our Recent Projects

An adult using a brush to clean a muddy, wet floor. Close-up view.
A street artist paints a colorful mural with a roller during daylight in Marseille, France.
Man painting lines in a sunny Marseille parking lot as part of urban maintenance work.
DM Sealcoating LLC

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