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TRUSTED BY GLENWOOD, MD HOMEOWNERS

  • Average homeowner rating star icon4.5
    Average homeowner rating
  • Verified reviews icon580
    Verified roofing services reviews

Top-Rated Roofers in Glenwood - Updated Nov 2026

Avatar for Presidential Exteriors LLC
Presidential Exteriors LLC
4.7(
180
)
Asphalt Shingle Roofing - Install or ReplaceMetal Roofing - Install or ReplaceNatural Slate Roofing - Install or Replace+26 more

Serving Glenwood, 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%
35 neighbors recently requested a quote
Avatar for Roofing Pups, Roofing & Siding
Roofing Pups, Roofing & Siding
4.7(
74
)
Asphalt Shingle Roofing - Install or ReplaceMetal Roofing - Install or ReplaceAsphalt Shingle Roofing - Repair+1 more

Serving Glenwood, MD and surrounding areas

Approved (Corporate)

Super Service Award Winner

In business since 1994

Free estimates

Credit card accepted

"There's nothing worse that dealing with pooring rain and strong winds and then hearing the drip, drip sound of water coming into your home due to a damaged roof. I reached out to roofing repair companies through Angie's list and Roofing Pups responded. Marcus came out the next day and put my fears at ease. The bad news was that I needed a new roof. He showed me my options available, categorized as "good", "better" and "best". Despite my choosing the lowest option, he still threw in some discounts and upgrades at no additional cost. I signed the contract and he arranged for someone to come out at tarp my roof. He even went the extra mile of going to Home Depot and setting up buckets in my attic to catch the water still coming in. The roofing crew came out two days later and gave me a beautiful new roof. They then meticulously cleaned the area. It was great working with Roofing Pups. I couldn't be happier and highly recommend!"
Roof Install
ROOFING PUPS
ROOFING PUPS
ROOFING PUPS
PROJECTS

+4

Response time1 day
Response rate93%
169 neighbors recently requested a quote
Avatar for Certified Roofing
Certified Roofing
4.8(
930
)
Asphalt Shingle Roofing - RepairFlat, Foam or Single Ply Roofing - RepairNatural Slate Roofing - Repair+2 more

Serving Glenwood, 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
78 neighbors recently requested a quote
Recommended by96%of homeowners
Avatar for Certified Roofing
Certified Roofing
4.8(
930
)
Asphalt Shingle Roofing - Install or ReplaceMetal Roofing - Install or ReplaceNatural Slate Roofing - Install or Replace+6 more

Serving Glenwood, MD and surrounding areas

Approved (Corporate)

Super Service Award Winner

In business since 1984

Free estimates

Emergency services offered

"Sales agent was VERY thorough in explanation of roofing materials and venting system, installation and warranties for the product. He did a complete inspection of roof, inside attic and outside. The receptionist was also very responsive in setting up the appointments for roof an gutter installation. Roof looks great!"
Roof Project in Maryland!
Siding Project in Vienna Virginia!
Synthetic Slate
Synthetic Slate
Armed Forces Day

+245

Response time4 hrs
Response rate100%
24 neighbors recently requested a quote
Avatar for Cox Roofing
Cox Roofing
4.5(
80
)
Asphalt Shingle Roofing - Install or ReplaceMetal Roofing - Install or ReplaceMetal Roofing - Repair+26 more

Serving Glenwood, MD and surrounding areas

Approved

In business since 2011

Free estimates

Warranties offered

"I highly recommend Cox roofing to anybody who is considering having a new roof installed. They very affordable, prompt, and professional, They also communicated well from start to finish. I received before and after pictures of the project."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+5

10 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for AROCON Roofing & Construction
AROCON Roofing & Construction
4.5(
1,458
)
Asphalt Shingle Roofing - Install or ReplaceAsphalt Shingle Roofing - Repair

Serving Glenwood, MD and surrounding areas

Approved (Corporate)

In business since 2008

Free estimates

Emergency services offered

"This is the 2nd time that I utilized the services for a Roof Tune Up. March brings heavy winds and sometimes you wake up in there is missing roof tiles. A good reason for a Roof Tune Up. Each time I refer my neighbor.Good professional and polite staff. I highly recommend the price is Right"
Standing Seam Roof on Turrent
Standing Seam Roofing job in Mount Airy, MD.
EPDM Rubber Roofing
EPDM Rubber Roofing
Additional Photos

+6

Response time9 hrs
Response rate100%
69 neighbors recently requested a quote
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Showing 1-10 of 693
Roofing FAQs, answered by experts

Generally, roof flashing is installed under the shingles to create a watertight seal and prevent moisture from seeping in and causing damage. However, the exact placement can depend on the type of flashing. For instance, with step flashing, the shingles and flashing overlap each other, meaning the flashing is technically both over and under the shingles. Flashing also typically goes beneath the house siding and is often not visible from the ground.

Yes, all roofs can benefit from flashing. Roof flashing can protect a property from water damage, roof leaks, mold, and other serious issues. It’s vital if you’d like to extend the lifespan of your roof and avoid costly repairs down the road.

Generally, hailstones that are one inch in diameter or larger can cause significant damage to a roof. However, smaller hail can also cause damage, particularly when accompanied by strong winds, if it strikes an aging or poorly maintained roof, or if hailstorms are frequent in your area. Hail that is ¼ inch (pea-sized) or smaller poses a minimal risk of immediate, permanent damage, but cumulative impacts can cause deterioration over time. The extent of the damage also depends on the roofing material; hail-resistant tiles like slate or certain types of asphalt shingles can withstand impacts better than other materials. If you are concerned about potential damage after a storm, it is always a good idea to have a professional roofer conduct an inspection.

As with any roofing material, there are benefits and drawbacks to consider before installing roll roofing. On the plus side, roll roofing is budget-friendly, lightweight, and comparatively easy to install. It is also ideal for low-sloped roofs and lasts around 10 years. The cons of roll roofing, however, include its low durability compared to roofing materials, restricted color choices, and low ROI.

Pros:

  • Low-cost

  • Lightweight

  • Cut to size

  • Easy and quick installation 

  • Designed for low-sloped roofs

  • Waterproofs your roof for an average of 10 years

  • Easy to purchase and transport

Cons:

  • Less durable than asphalt shingles

  • More prone to cracks and tears

  • Short life span

  • Not as many color or style choices

  • Not as aesthetically pleasing as shingles, wood, or clay tiles

  • Not preferred for a higher home resale value

Roof blistering and hail damage are different in their physical appearance. Blistering, often caused by inadequate ventilation, low-quality material, and improper installation, looks like large, irregular bubbles popping out of your roof. Meanwhile, hail damage is usually circular or oval dents entering your roof and often follows the same path as the hail storm.

The Glenwood, MD homeowners’ guide to roofing services

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