Our Services
Full-service roofing contractor in Grantham — from asphalt shingle roof replacement and emergency hail damage repair to metal roofing, flat roof systems, and gutter installation. Every project is installed by manufacturer-certified crews with workmanship warranties.
Trusted by homeowners and businesses across Grantham.
Fully licensed, bonded, and insured in New Hampshire. We carry $2M in general liability. Workers' comp on every crew member. Your property is protected if anything goes sideways.
Manufacturer warranty plus our workmanship warranty in writing. If something fails because of our installation, we come back and fix it at no charge. Period.
A new roof is a big expense. We offer 12-month same-as-cash and low-interest financing through GreenSky and Hearth. Get your roof done now, pay over time.
GAF Master Elite, Owens Corning Preferred, CertainTeed SELECT ShingleMaster. We carry certifications from the big three. That means factory-trained crews and the best available warranties.
Simple Process
Before we quote anything, we inspect everything. Shingles, flashing, pipe boots, ridge vent, soffit, gutters. You get a full written report with photos.
You get a written proposal with material specs, labor breakdown, timeline, and total cost. The number on the quote is the number you pay. No change orders, no hidden fees.
No subcontractors. Our crews, our equipment, our supervision. A project manager checks in throughout the day and does a final quality inspection before cleanup.
Our project manager does a final inspection against the manufacturer's installation checklist. We register your warranty the same day. You get the paperwork within a week.
Verified Reviews
"They replaced our gutters along with the roof. Seamless aluminum, everything matches. No more overflow when it rains hard. Wish I'd done this years ago."
"We were quoted $18,500 for a 32-square replacement with Timberline HDZ. They hit the number exactly. No change orders, no surprise fees. That's rare in this business."
"My neighbor used Grantham Roofing & Maintenance and recommended them. Glad I listened. Fair price, professional crew, no drama. They even fixed a piece of siding that got dinged during tear-off without me asking."
Service Areas
From Grantham to Henniker, Lyme, New London, Plymouth, Sugar Hill. We've replaced roofs on every street. Ask your neighbor. Chances are we did theirs.
Meet the Owner
Owner & Lead Contractor
Lisa has been serving Grantham for over 12 years, building a reputation on honest work, fair pricing, and crews that treat every home like their own. What started as a one-truck operation has grown into a full-service Roofing company — but the values haven't changed.
"We don't cut corners. Every job gets the same attention to detail whether it's a small repair or a complete replacement. That's how you earn 320+ five-star reviews."
