Roof Repair & Replacement for Dover, NH

Dover is a city located in Strafford County, NH and has a population of roughly 33,000. It is the county seat of Strafford County as well as the home to Wentworth-Douglass Hospital, the Woodman Institute Museum, and the Children’s Museum of New Hampshire. In recent years, a plan to develop the waterfront near the downtown area was approved, and there have been waypoint signs added to assist drivers in navigating the expanding Dover. With an excellent schooling system and a comprehensive recreation department, Dover is a great place to call home.


At JMS Roofing, we are proud to offer a variety of residential and commercial roofing services. From roof replacement to roof repair, there are a number of ways we can service your home or business. Beyond just roofs, we can also help with vinyl siding and other aspects of your property! Contact us today to get started on your project or to learn more about the services we offer throughout Dover, NH.

Advantages of Hiring a Commercial Roofing Contractor

  • Expertise: Our professional roofing company specializing in commercial roofing repair and installation, JMS Roofing provides high-quality service and materials as well as the knowledge to ensure that your property and business remain intact and safe.
  • Cost-Effective: Hiring a professional roofing company reduces the risk of errors and decreases the likelihood of potential injuries, both of which can lead to additional costs that you didn't initially account for.
  • Quicker Results: A professional commercial roofing contractor is familiar with the expertise required to perform quality work, which means that they can repair and install your commercial roof more quickly.
  • Protection: Commercial roofing contractors are insured in the event of an injury while installing your roof. They also have a warranty on materials in case anything is damaged during the repair or installation.

Signs You Need Roof Repair in Dover

Your roof plays a critical role in protecting your home from New Hampshire’s changing weather conditions. Even minor issues can quickly become expensive problems if left unaddressed. At JMS Roofing, we help homeowners in the Dover, NH area identify early warning signs so they can address roof repairs before more extensive damage occurs. If you notice any of the following issues, contact our team immediately.



  • Missing or Damaged Shingles: Shingles that are cracked, curled, loose, or missing can leave your roof vulnerable to water intrusion and structural deterioration. You might also notice shingle granules in your gutters. Prompt roof repairs can help restore protection and prevent further damage.
  • Water Stains on Ceilings or Walls: Interior water stains can be a sign that moisture is entering through the roofing system. Addressing leaks quickly can help protect your home's insulation, drywall, and structural components.
  • Sagging Roof Areas: Sections of a roof that appear uneven or sagging may indicate underlying structural issues or moisture damage. This issue needs to be addressed immediately.
  • Increased Energy Bills: A damaged roof can allow conditioned air to escape and outside air to enter your home. If you notice an unexplained spike in your utility bills, it’s important to take a closer look. Roof repairs may improve energy efficiency and help maintain a more comfortable indoor environment.
  • Moss or Algae Growth: While some discoloration may seem cosmetic, excessive moss or algae can trap moisture against roofing materials. Over time, this can cause deterioration and shorten the lifespan of your roof.
  • Damaged Flashing: Flashing around chimneys, vents, skylights, and roof valleys helps prevent water penetration. When flashing becomes cracked, loose, or corroded, leaks can develop. This requires immediate attention.
  • Storm-Related Damage: Strong winds, heavy rain, snow, and ice can damage roofing materials without obvious signs from the ground. After severe weather in Dover, it is wise to have your roof inspected for potential issues.
  • Sunlight in the Attic: If you can see daylight coming through your attic, water may also be able to enter through those openings. 
  • Aging Roofing Materials: Even a roof that appears intact can develop hidden issues as it ages. If your roof is approaching the end of its expected lifespan, an inspection can determine whether roof repairs are necessary.


If you notice any of these warning signs, our team at JMS Roofing is ready to provide trusted roofing solutions in Dover, NH.

Call Today to Schedule a Free Consultation!

JMS Roofing specializes in metal roofs because of their durability, energy efficiency, and enhanced protection against harsh weather. These are all attractive qualities to have in a roof, especially in the Dover, NH area, where we can experience harsh conditions. With the combined aesthetic and structural benefits that come with metal roofs, it is no surprise that home and business owners are choosing to install metal roofs. When you need vinyl siding or the other services we offer, do not hesitate to contact our team today!

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