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TRUSTED BY DERWOOD, MD HOMEOWNERS

  • Average homeowner rating star icon4.7
    Average homeowner rating
  • Verified reviews icon1.3k+
    Verified roofing services reviews

Find Roofers in Derwood

Avatar for W E Griffin Roofing
W E Griffin Roofing
4.7(
76
)
Asphalt Shingle Roofing - Install or ReplaceAsphalt Shingle Roofing - RepairAsphalt Shingle Roofing - Repair - For Business+26 more

Serving Derwood, MD and surrounding areas

Approved

In business since 1931

Free estimates

Warranties offered

"Rather than talking me into an entire new roof, which I was prepared to do if necessary, they recommended just replacing a few shingles for a very reasonable cost! The only reason I didn't hire them was that another company (who also just recommended replacing a few shingles) also mentioned that some of the gaskets around pipes were cracked and suggested replacing them also. They showed photos, which clearly showed that they needed replacing (at least from a layman's viewpoint), so I went with them. W E Griffin was quick and efficient with their estimate, and I wouldn't hesitate to call them again."
Response time6 hrs
Response rate100%
28 neighbors recently requested a quote
Avatar for Central Exteriors
Central Exteriors
4.5(
901
)
Asphalt Shingle Roofing - Install or ReplaceAsphalt Shingle Roofing - RepairWood Shake or Composite Roofing - Install or Replace+13 more

Serving Derwood, MD and surrounding areas

Approved

In business since 1956

Free estimates

Emergency services offered

"We bought our house in 2012 in Montgomery County, MD. The roof was past its design life when we bought the place, and although there were no signs of leaks, we decided to put a new roof on the house in 2016 - better to get it done before problems arise than after. Central was great. I forgot to move my car out of the driveway the morning they were scheduled to start work but they managed to make things work anyway. My handyman happened to stop by while they were working and told me it looked like they knew what they were doing, which was comforting. The real proof, though, is my roof has been on the house for 4 years, including the wettest year on record here in the DC area, with no signs of leaks anywhere in the house. This may not seem impressive - roofs aren't supposed to leak. However, both my sister and parents have had new roofs put on their houses in the intervening years - they live several States away so could not use Central Exteriors. Both had leak issues after having the new roofs put on and had to have the roofer come back out to fix things - in my sister's case it took several return visits and some major work to make things right. Central Exteriors were price competitive with other roofing companies I consulted with, and gave me a 50 year warranty on the shingles and workmanship, which nobody else offered. I would not hesitate to hire them again. Very pleased."
Preparing the East side of the building for new cedar shakes.
Drone footage of roof install.
Finished look.
Roofers Working
Shake Roof

+12

Response time1 day
Response rate100%
8 neighbors recently requested a quote
Avatar for Presidential Exteriors LLC
Presidential Exteriors LLC
4.7(
173
)
Asphalt Shingle Roofing - Install or ReplaceAsphalt Shingle Roofing - RepairMetal Roofing - Install or Replace+26 more

Serving Derwood, MD and surrounding areas

Approved

Super Service Award Winner

In business since 2015

Free estimates

Warranties offered

"We were convinced to have our roof done after the roofing expert inspected our roof and sat us down for his presentation. We appreciated the time spent to explain the project management plan from the delivery of materials to the post-installation inspection. Everyone we met was very professional and the clean up crew did a great job."
Newly installed roof
Windows & Garage Door Replacement
Finished product with brand new siding.
Newly installed roof
Windows & Garage Door Replacement

+44

Response time1 day
Response rate100%
30 neighbors recently requested a quote
Avatar for Noble Exteriors.com
Noble Exteriors.com
4.8(
184
)
Asphalt Shingle Roofing - Repair

Serving Derwood, MD and surrounding areas

Approved

In business since 1997

Free estimates

Warranties offered

"Mr. Lee was on time, came prepared with samples of products in range of prices, left literature, walked the roof, politely offered suggestions but left final decision to us. Mr. Lee also answered all questions and returned phone calls."
Recommended by99%of homeowners
Avatar for Unicorp Home Energy Services
Unicorp Home Energy Services
4.9(
630
)
Asphalt Shingle Roofing - Install or ReplaceAsphalt Shingle Roofing - Install or Replace - For BusinessTraditional Tile Roofing - Install or Replace+1 more

Serving Derwood, MD and surrounding areas

Approved

In business since 1987

Free estimates

Warranties offered

"Unicorp provides excellent products & services. Their prices are well worth the high quality products & very friendly & professional installers. We have used Unicorp for a new front- door assembly, roofing & siding. I would recommend Unicorp to everyone, including my family & friends."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+10

Response time1 day
Response rate100%
10 neighbors recently requested a quote
Avatar for Certified Roofing
Certified Roofing
4.8(
930
)
Asphalt Shingle Roofing - RepairAsphalt Shingle Roofing - Install or Replace

Serving Derwood, MD and surrounding areas

Approved

In business since 1984

Free estimates

Warranties offered

"Certified roofing did very well. They were the first to respond to my Angi query. Tim was smart, quick, and had an excellent work ethic. We had a slight miscommunication on what the job entailed, which is being cleared up as we speak. I would definitely hire them again."
Start to Finish
During the Process
During the Process
Finished CertainTeed
70 neighbors recently requested a quote
Recommended by96%of homeowners
Avatar for Roofing Pups, Roofing & Siding
Roofing Pups, Roofing & Siding
4.7(
67
)
Asphalt Shingle Roofing - Install or ReplaceAsphalt Shingle Roofing - Repair

Serving Derwood, MD and surrounding areas

Approved (Corporate)

Super Service Award Winner

In business since 1994

Free estimates

Credit card accepted

"Informative and friendly first meeting, complete with detailed photos of the entire roof and an explanation of the process, followed by 1-day installation of a new roof, with excellent workmanship and a hardworking crew."
Roof Install
ROOFING PUPS
ROOFING PUPS
ROOFING PUPS
PROJECTS

+4

Response time1 day
Response rate93%
219 neighbors recently requested a quote
Avatar for Home Matters Exterior Remodel
Home Matters Exterior Remodel
5.0(
13
)
Asphalt Shingle Roofing - Install or ReplaceTraditional Tile Roofing - Install or ReplaceAsphalt Shingle Roofing - Install or Replace - For Business+26 more

Serving Derwood, MD and surrounding areas

Approved

In business since 2001

Free estimates

Emergency services offered

Here at HomeMatters, LLC, we believe in the people we work with and work for. We measure our own teams with not only the pride they take in their work and results, but the measure of respect and integrity they have for each other, our clients, and the project at hand. All of our technicians are certified master installers with over 30 years of experience, working hard to make a change to the reputation of the business we're in. We aim towards educating our customers and lending as much advice as we can towards any remodeling project, whether it is a repair or an installation. Allow us to listen to your needs, and to share the vision you have for your home.

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Trim Maintenance to Bay Window / Garage / Front Door in Elkridge, MD

+97

Response time1 day
Response rate100%
16 neighbors recently requested a quote
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Roofing questions, answered by experts

You can put new shingles over old shingles, but most municipalities only allow for two layers of shingles before you have to rip off the old roof and start fresh. In some areas, only a single layer of shingles is allowed due to the weight a bundle of shingles adds to your structure. In most cases, it’s a good idea to remove your old shingles before you install new shingles, especially if you suspect that a roof leak may have compromised the decking underneath.

The amount of hail damage that warrants a roof replacement depends on the size of the hail. In many cases, a roof replacement is needed if your roof gets hail that is 1 inch or larger in diameter. You may also need to replace a roof due to hail damage if you notice several dents in the shingles or there are seven to 10 hail impact marks within a 10x10 foot area on your roof.

You can damage your shingles if you use the wrong type of paint on them. You should always use acrylic latex paint specifically formulated for shingles. Other types of paint may trap moisture, which can cause bigger problems like rot and mildew. Considering that roof replacement costs $9,100 on average, it’s definitely best to avoid making this mistake.

Besides using the right paint, remember that painting your shingles will require increased maintenance.

Roofing estimates and inspections are not the same thing. Roofing inspections (whether done with a drone or by the traditional method) help you find any damage or defects on a roof. You will pay a set fee for a roofing inspection and use it to get certification or to determine whether repair or replacement is necessary. Beware of unsolicited contractors coming to your home and offering a so-called free roof inspection—these are often scams.

Roofing estimates, on the other hand, are typically free and offered by a roofing company hoping to earn your business. Some roofing estimates are performed with drones, while other companies will still opt to send people up onto the roof. Either way, the estimate is for roof repair or replacement costs the company wants you to hire them for.

Complete house winterization goes above and beyond the list we created above. In addition to everything listed, full house winterization also includes:

  • Performing a home energy audit.

  • Preparing your deck and patio for winter.

  • Learning how to start a snowblower.

  • Replacing smoke detector batteries.

  • Installing outlet gaskets.

  • Installing storm doors.  

The Derwood, MD homeowners’ guide to roofing services

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