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

Avatar for Cox Roofing
Cox Roofing
4.5(
80
)
Flat, Foam, or Single Ply Roofing - Install or Replace

Serving Gunpowder, MD and surrounding areas

Approved

In business since 2011

Free estimates

Warranties offered

"Very good service from office staff through completion of job which included removal of existing flat roof, replacement of rotted boards, installation of new roof and replacement of gutter. Completed 5/2018"
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+5

10 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for Charm City Roofing
Charm City Roofing
4.3(
43
)
Flat, Foam, or Single Ply Roofing - Install or Replace

Serving Gunpowder, MD and surrounding areas

Approved

In business since 2008

Free estimates

Emergency services offered

"Charm City Roofing did an excellent job installing my new roof! From start to finish, the team was professional, punctual, and very knowledgeable. They explained the entire process clearly, completed the work efficiently, and left everything clean and neat afterward. The quality of the installation is outstanding, and I feel confident knowing my home is well protected. I highly recommend Charm City Roofing to anyone looking for reliable and top-notch roofing services!"
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+37

Response time8 hrs
Response rate100%
1 neighbors recently requested a quote
Avatar for ROI Construction LLC
ROI Construction LLC
4.1(
18
)
Flat, Foam, or Single Ply Roofing - Install or Replace

Serving Gunpowder, MD and surrounding areas

Approved

In business since 1974

Free estimates

Warranties offered

"This was the second time we hired ROI Construction LLC to work on our home and they did an excellent job both times. Originally our roof was replaced and ROI did a fantastic job, going above and beyond in making sure every detail was perfect. Recently we had the roof and skylights of an addition replaced. In both instances ROI charged less than the competitors and the workmanship was high grade. I highly recommend this company."
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+19

59 neighbors recently requested a quote
Recommended by90%of homeowners
Avatar for Garner Roofing Company LLC
Garner Roofing Company LLC
4.6(
140
)
Flat, Foam, or Single Ply Roofing - Install or Replace

Serving Gunpowder, MD and surrounding areas

In business since 2007

Free estimates

Credit card accepted

"It was a positive experience. We worked directly with the owner. He was very honest and knowledgeable. He took the time to answer all of our questions and did a great job matching our existing siding. He would be my first choice for any future roofing or siding needs."
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+3

Recommended by96%of homeowners
Avatar for Homefix
Homefix
4.2(
526
)
Flat, Foam, or Single Ply Roofing - Install or Replace

Serving Gunpowder, MD and surrounding areas

In business since 1990

Free estimates

Warranties offered

"HCR did a great job with replacing our roof. The materials are high quality and the work (removing original roof, laying down new roof and cleaning up) was done efficiently and with great detail. HCR also offers an excellent warranty and was very thorough in explaining options and setting up the work. We would highly recommend!"
Before
Roof Replacement in Baltimore, Maryland
Home Makeover in Crofton, Maryland
After
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+32

Recommended by90%of homeowners
Avatar for Walter Brown Services
Walter Brown Services
4.9(
79
)
Flat, Foam, or Single Ply Roofing - Install or Replace

Serving Gunpowder, MD and surrounding areas

In business since 1946

Free estimates

Emergency services offered

"I couldn't be happier with Walter Brown. They gave a thorough inspection of the roof by walking it, clearly showing me the issues, and explaining any potential problems that could arrive. When we met to discuss the estimate, I was very appreciative that in addition to the estimate, they gave me a worst case scenario cost. For me, that kind of honesty made choosing Walter Brown a no-brainer. On the day of the job, a full crew of over 10 people came and worked hard getting the roof complete. They worked as a team and finished the roof in a day. Also, they answered all questions and did a thorough job cleaning up. A few hours after completing the roof, the ridge vent didn't look even to me, so when the site manager returned to pick up the dumpster, I asked him about it. He didn't like the look of either, called a few guys back, and replaced it at that time. Again, I was impressed that he was willing to re-do the ridge vent and that he re-did it at that time. We've had a few storms since the roof was installed, and no leaks now! This was as perfect as a home improvement project could have been. I've already recommended them to many neighbors and colleagues."
CertainTeed Landmark Moire Black
Plywood replacement
Felt paper
Sample Finials
Custom Finial 1

+20

Recommended by100%of homeowners
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FAQs for flat, foam, or single ply roofing installation and replacement projects in Gunpowder, MD

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 Gunpowder, MD 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.