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Top-Rated Flat, foam, or single ply roofing installers and replacers in Stratham - Updated Nov 2026

Avatar for All Under One Roof
All Under One Roof
4.7(
131
)
Flat, Foam, or Single Ply Roofing - Install or Replace

Serving Stratham, NH and surrounding areas

Approved

In business since 1974

Free estimates

Warranties offered

"All under one roof did a fantastic job removing two layers of shingles and installing new roof. The whole team was hard working and completed the job in one day. When they were done my yard was cleaned of all debris. I highly recommend All Under one roof."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+26

Response time6 hrs
1 neighbors recently requested a quote
Recommended by98%of homeowners
Avatar for Small Dog Roofing
Small Dog Roofing
5.0(
21
)
Flat, Foam, or Single Ply Roofing - Install or Replace

Serving Stratham, NH and surrounding areas

Approved

In business since 2025

Free estimates

Emergency services offered

"Jonathan & the team at Small Dog Roofing did an amazing job replacing our Rolled Rubber Roof! Our lake home is a 1957 original camp that had a shingle roof on it & the owners rolled the rubber roof over the top. The Small Dog team quickly & efficiently removed all layers, replaced the damaged plywood, installed a layer of insulation & installed the new rubber roof at a very fair price. I highly recommend Small Dog Roofing for any roofing project."
Full roof replacement
Full roof replacement
Full roof replacement
Full roof replacement
Full roof replacement

+29

Response time2 hrs
Response rate100%
10 neighbors recently requested a quote
Avatar for Scott's Roofing
Scott's Roofing
4.9(
48
)
Flat, Foam, or Single Ply Roofing - Install or Replace

Serving Stratham, NH and surrounding areas

Approved

In business since 1968

Free estimates

Emergency services offered

"I heard about this company from Home Advisor. I got three names through the site and also contacted a fourth. Scott's Roofing was the first to come out. They were also the lowest bidder. Their proposal was also the most comprehensive and detailed. When Sean Nadeau told me they'd have it done in a day or two, I was sure there was no way. Our house is literally This Old House, and it's also 2½ stories. Not only was the roof (including two porch roofs) completely stripped the first day, the new roof was completely finished also. A second crew came out two days later and installed new gutters and were done in two hours. The roof looks beautiful."
Before and After
Re-Roof in progress
Financing Available! * for qualified candidates!
Response time1 day
Response rate91%
Recommended by97%of homeowners
Avatar for Revive Roofing & Siding LLC
Revive Roofing & Siding LLC
4.5(
44
)
Flat, Foam, or Single Ply Roofing - Install or Replace

Serving Stratham, NH and surrounding areas

Approved

Super Service Award Winner

In business since 2024

Free estimates

Emergency services offered

"Having just had my roof replaced by Revive Roofing & Siding, I can confidently say they live up to their reputation as the best-rated roofing company in Newton, NH. From the initial consultation to the final inspection, every step of the process was handled with professionalism and expertise. Keith and his team were efficient, courteous, and went above and beyond to ensure the job was done right. If you're looking for top-notch roofing services, look no further than Revive Roofing & Siding."
winsor NH
winsor NH
winsor NH
winsor NH
winsor NH

+40

Response time8 hrs
Response rate100%
41 neighbors recently requested a quote
Avatar for True North Contracting
True North Contracting
4.4(
96
)
Flat, Foam, or Single Ply Roofing - Install or Replace

Serving Stratham, NH and surrounding areas

Approved

In business since 2005

Free estimates

Small jobs welcome

"True North Contracting is very attentive to my requests, does outstanding work, cleans up their worksite, have a great attitude and no foul language. I am very happy with my new bathroom. I would hire them for another project and I may."
Roof
Kitchen Reno
Finish
Ready for Grout
 Finished

+66

Response time7 hrs
14 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for Adam Vaillancourt Roofing & Gutters - Milford
Adam Vaillancourt Roofing & Gutters - Milford
4.9(
13
)
Flat, Foam, or Single Ply Roofing - Install or Replace

Serving Stratham, NH and surrounding areas

Approved (Corporate)

Super Service Award Winner

In business since 2004

Free estimates

Small jobs welcome

"Adam Vaillancourt Roofing was the 3rd roofer to inspect my very simple repair job (replacing a single edge shingle) and the estimator (Adam) was the only one of the 3 to offer a repair right away. I hired him on the spot and he completed the job in about 1/2 hour for less than what the others quoted. Very happy with the outcome. Would hire this roofer again."
During
During 2
Before
After
After

+7

Response time12 hrs
Response rate100%
80 neighbors recently requested a quote
Avatar for KTM Exteriors & Recycling LLC
KTM Exteriors & Recycling LLC
5.0(
7
)
Flat, Foam, or Single Ply Roofing - Install or Replace

Serving Stratham, NH and surrounding areas

Approved

In business since 2004

Free estimates

Warranties offered

"Siding Hardie Siding (Hardie qualified contractor.) James Hardie siding installed on residence. Hardie qualified installers, all Hardie procedures and products used including: edge cut sealer, cutting blades, fasteners and safety program. Excellent work right on schedule A+ rating (Raymond Madore homeowner) Roofing Owens Corning Roofing (Platinum Qualified Contractor) Installed roof on residence complete Owen Corning system including: Ice and water barrier, starter shingles, hip and ridge shingle, ridge ventilation, chimney flashings, valley flashings. One day install including old roof removal and excellent clean up + safety. A+ (Raymond Madore homeowner) KTM Exteriors HAMPSTEAD, NH 03841 Highly recommended. Questions call me. Raymond Madore 11 West Shore Road Windham, NH 7818445746"
Response time1 day
Response rate100%
2 neighbors recently requested a quote
Avatar for James & Whitney Co.
James & Whitney Co.
4.4(
14
)
Flat, Foam, or Single Ply Roofing - Install or Replace

Serving Stratham, NH and surrounding areas

Approved

In business since 2007

Free estimates

Emergency services offered

"It went incredibly well. I woke up one morning to a leak in my roof. I knew the roof was going to need to be replaced at some point, but I was hoping I'd get another year out of it. The roof was in bad shape when I bought the house. I immediately started calling all of the roofing companies I could find on Google. It was early so I was leaving voicemails. Kasey from James and Whitney was the first and only one to get back to me in a timely manner. He was incredibly helpful on the phone, walking me through how to put a tarp over the impacted area. He even swung by later THAT DAY to check and make sure it was installed properly and to assess the roof. I knew it needed to be replaced so we went right into talking about estimates. The estimate was within my budget but the new roof came with a FIFTY-YEAR WARRANTY for parts and labor. You just can't beat that kind of warranty on an asphalt roof. We were scheduled within a week and I had a brand new, perfectly installed roof within a month. Kasey and his team were super respectful during the installation. When the installation had finished, Kasey inspected every inch of my property to pick up any tiny bits of trash and leave our lawn spotless. The whole process was so easy and stress-free. 10/10 would recommend!"
Winter ready roof replaced by James & Whitney co.
Custom gutter systems by James & Whitney co.
New energy efficient windows by James & Whitney co.
Full roof installation by James & Whitney co.
Finished home siding job by James & Whitney co.

+2

Response time2 days
Response rate100%
48 neighbors recently requested a quote
Avatar for Gavin Liscombe Residential Construction
Gavin Liscombe Residential Construction
4.4(
45
)
Flat, Foam, or Single Ply Roofing - Install or Replace

Serving Stratham, NH and surrounding areas

Approved

In business since 2020

Offers commercial services

Customers say: True professional

"Did a wonderful job and takes pride in his work. He was adding a railing to the stairs and replacing stair treads and discovered problems with the raisers. Replaced those as well and provided a competitive price for the amount of work that was completed. We had specific concerns about having this done quickly. Gavin assisted in making sure that he was able to complete the stairs on time despite the additional work. We were happy with the work and outcome."
10 neighbors recently requested a quote
Recommended by28%of homeowners
Avatar for Capital Construction Contracting - North
Capital Construction Contracting - North
4.1(
126
)
Flat, Foam, or Single Ply Roofing - Install or Replace

Serving Stratham, NH and surrounding areas

Approved

In business since 2004

Free estimates

Credit card accepted

"We had a project to repair a leak on a small Copper and Rubber roof. We started by looking at Angie's list to find roofers in the Watertown area and immediately Capital construction lept to the top. Their reviews were literally through the roof. I can also say that our own experience with them met and surpassed the reviews I had read. When I called, they immediately answered and were able to come out and assess the situation within 2 days. I met with Jude and Dave and I found them to be knowledgable, professional, honest and very easy to work with. We got a quote at that point and went ahead with scheduling the project. The whole team at Capital Construction kept us informed on the status and when they could come out to repair the roof. They worked with me to find a good date/time. Their customer communication is world class. They performed the repairs, cleaned up the site, and we could not be happier with the results. We would definitely recommend Capital Construction to anyone with a roofing or any home project."
Recommended by84%of homeowners
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FAQs for flat, foam, or single ply roofing installation and replacement projects in Stratham, NH

Many roofing pros point to PVC as the top performer on flat roofs thanks to its tough seams and long-term waterproofing. A properly installed PVC membrane can last 30 years or more, resisting ponding water and harsh weather with ease. You will pay more up front than you would for EPDM, but the added durability often translates into fewer repairs and a lower cost per year of service.

Yes, a rubber roof is an environmentally friendly choice. Most rubber membranes contain recycled content and can reflect heat, which helps trim cooling bills in hot weather. Manufacturing has a lighter footprint than many traditional materials, and the long lifespan means fewer tear-offs headed to the landfill. If sustainability is a priority, ask your roofer about brands that carry third-party eco-certifications and confirm they meet local environmental standards.

The Stratham, NH homeowners’ guide to flat, foam, or single ply roofing installations and replacements

From average costs to expert advice, get all the answers you need to get your job done.