Your Trusted Asphalt Maintenance Experts


Quality Asphalt Services for Every Need

DM Asphalt Sealcoat offers unparalleled asphalt maintenance services in Swanzey, NH, ensuring lasting protection for your asphalt surfaces.
Our experienced team has successfully served countless homeowners and businesses, providing exceptional results in sealcoating, crack filling, and pothole repair. With a commitment to quality and customer satisfaction, we help you maintain and extend the life of your asphalt, ensuring it looks great and performs well for years to come.
Learn More About Our Services
We take pride in delivering reliable asphalt solutions that enhance the appearance and durability of driveways and parking lots across Swanzey and beyond.
Our Journey in Asphalt Maintenance
Founded in Swanzey, New Hampshire, DM Asphalt Sealcoat is owned and operated by Dennis Mapes of DM Sealcoating LLC. With over 10 years of experience, Dennis has built a reputation for delivering reliable, high-quality asphalt maintenance services with a commitment to exceptional workmanship and customer satisfaction

A Legacy of Quality Asphalt Services
Since its establishment, the company has evolved to meet the growing needs of its clients. Ongoing investment in training, equipment, and modern techniques ensures the delivery of high-quality sealcoating, crack filling, pothole repair, and line striping services, helping protect asphalt surfaces and extend their lifespan.
