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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 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
76 neighbors recently requested a quote
Recommended by96%of homeowners
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

"We hired Cox to repair/replace the both sides of the church's pitch roof at Our Lady of Hope Church in Dundalk. They took off the old roof, added plywood, new cloth and shingles. We are talking about a roof that is 1000's of square feet! The job was done within the allotted time. The clean-up was superb! The price was 17% below the closest bid price. A most excellent result from a fantastic company."
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

"Service went great. Available dates were a little backed up but reasonable. The technicians, Mikey and Garret, showed up on time and called with a 20 min ETA. Service was well explained, with pictures, and honest assessment of the roof's condition was given without aggressive upselling. Work was conducted quickly and done well. I used Arocon for my roofing needs at a prior residence and will use their services again."
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%
80 neighbors recently requested a quote
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Showing 1-10 of 691
Roofing FAQs, answered by experts

Roofing estimates vary for many reasons, but the most significant ones include differences in the cost of labor based on the contractor’s experience and overhead costs, as well as the quality of the materials your roofer will use for the job. You should get your estimates itemized and make sure your contractors include details about the materials they plan on using. Doing so allows you to compare not only based on the cost but also the value that you’ll get for your money.

The cost to install a drip edge on an existing roof runs about $1 to $3 per linear foot, which comes out to between $150 and $1,000, with an average cost of $575. These are just averages; the total project price can vary depending on the type of drip edge chosen and whether you hire a professional for the installation. Factors like roof size, complexity, and labor rates also play a role in determining the final cost.

Yes, algae-resistant shingles will prevent algae and moss growth, providing double protection for your roof and roof flashing. The copper-infused granules on algae-resistant shingles release copper ions that inhibit plant growth in general, so moss will have a harder time growing on your roof, too. Keep in mind that copper ions flowing off your roof during rainfall can also inhibit plant growth below, so your gardens and grass may be affected.

No, you should not close or cover your gable vents in the winter. While it might seem logical to block cold air, heating your home creates hot air that rises and can cause condensation in the attic. If the vents are covered, this moisture becomes trapped, creating an ideal environment for mold and mildew. Keeping the gable vents open ensures proper ventilation, which helps dry out the attic, maintain even temperatures, and prevent moisture-related damage.

Yes, thatched roofs are legal in most areas in the U.S., but you should always check your local building codes to ensure there are no restrictions in your particular area before installing one. Even where they are legal, you’ll usually need to apply fireproofing to the roof to keep it up to code. Keep in mind that a new roof might not increase home value as much if you choose a thatched roof, as they aren’t common in the U.S. and might not be as desirable to many home buyers.

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.