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TRUSTED BY KNOXVILLE, MD HOMEOWNERS

  • Average homeowner rating star icon3.6
    Average homeowner rating
  • Verified reviews icon302
    Verified roofing services reviews

Find Roofers in Knoxville

Avatar for Presidential Exteriors LLC
Presidential Exteriors LLC
4.7(
174
)
Asphalt Shingle Roofing - Install or ReplaceMetal Roofing - Install or ReplaceTraditional Tile Roofing - Install or Replace+26 more

Serving Knoxville, 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%
33 neighbors recently requested a quote
Antietam Roofing, LLC
4.9(
84
)
Asphalt Shingle Roofing - Install or ReplaceAsphalt Shingle Roofing - RepairFlat, Foam or Single Ply Roofing - Repair+8 more

Serving Knoxville, MD and surrounding areas

Approved

In business since 2009

Credit card accepted

Customers say: Quick response

"I called and left a message for a call back on Sunday and Jessie called me back on that Monday. I found him to be pleasant and very easy to work with. I advised Jessie what the problem was with mine and my tenants roof and I ask him what he thought it would take to repair both sides. He had quoted me a price, but after his assistant had looked at what was needed, he was upfront and advised that it would be more and gave me a bottom line price which I thought was reasonable and fair. Jessie's assistant came and completed the project in one day and I was pleased with the finished product. Thanks Jessie, I will refer and use your services again in the future."
Response time20 mins
Recommended by96%of homeowners
Avatar for Cenvar Roofing
Cenvar Roofing
4.7(
86
)
Asphalt Shingle Roofing - Install or ReplaceMetal Roofing - Install or Replace

Serving Knoxville, MD and surrounding areas

Approved (Corporate)

In business since 2000

Free estimates

Warranties offered

"Very happy with the work done. Price was very reasonable. Work crew was professional, courteous, and efficient. House roofing and skylight were replaced in one day, and the shed roofing replacement took place early on the second day. No down payment was required before work began. Very happy with appearance of new roof, skylight, and flashing."
GeeGee Nelson - Featured Review
GeeGee Nelson - Featured Review
GeeGee Nelson - Featured Review
GeeGee Nelson - Featured Review
GeeGee Nelson - Featured Review

+14

Response time10 hrs
Response rate100%
36 neighbors recently requested a quote
Roofing With Integrity LLC
4.3(
32
)
Asphalt Shingle Roofing - Install or ReplaceMetal Roofing - Install or Replace

Serving Knoxville, MD and surrounding areas

Approved

In business since 2025

Free estimates

Credit card accepted

"Roofing with Integrity installed a new roof on my house, build new cement paver steps and install a new side door. In all instances, they did excellent work. Their pricing was fair and TJ, the owner was very responsive. Two of our neightbors expressed in new roof after seeing their work. I would recommend them to anyone."
4 neighbors recently requested a quote
Recommended by88%of homeowners
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Showing 1-10 of 388
Roofing questions, answered by experts

When installed and maintained properly, a cedar shake roof should last up to 60 years. Severe weather and high winds will damage your roof, reducing its life span. Expect a shorter life span if the roofer didn't use top-grade material, didn’t have cedar shake expertise, didn’t create the proper ventilation, or didn’t use the correct fasteners. Keeping up with maintenance will help it last longer. It’s also a good idea to get roof inspections on a regular basis to help spot repairs before they become major issues.

The common formula for measuring a roof is length x width equals square footage. Professional roofers measure the length and width of your roof, including dormers, and determine its pitch and rafter sizes. If a roof surface is a triangle, they’ll divide that square footage by two, then add up the square footage of each surface to get the total for the roof.

A roof's ability to handle snow depends on its strength and the snow's weight, as wet snow is much heavier than dry, fluffy snow. While designs in snowy regions often allow for 35 to 50 pounds per square foot, a general guideline is that a typical roof can withstand about four feet of fresh snow, two feet of packed snow, or just one inch of ice. Factors like the roof's age, slope, and support structure also affect its capacity; newer, sloped roofs generally hold more weight than older, flat ones. Ice and ice dams add significant, dangerous weight. Because capacity varies, it is best to contact a professional roofing contractor or the original builder to determine the maximum snow load for your specific home.

A roof's lifespan can range from 15 to 200 years, with an average of 25 to 50 years, depending heavily on the material, quality of installation, maintenance, and local climate. Asphalt shingle roofs are common and typically last 15 to 30 years; three-tab shingles have a lifespan of about 20 years, while architectural shingles can last up to 30. More durable materials have longer lifespans: metal roofs last 30 to 100 years, clay and concrete can last 50 to 100 years, and slate roofs can last up to 200 years with proper care. Regular maintenance, such as cleaning gutters and replacing damaged shingles, is crucial for extending the life of any roof.

It’s possible to install your chimney cap in some areas, but it’s usually better to hire a professional. Before you attempt a DIY chimney cap installation, check to see if your local building department requires a permit. If it does, you should hire a professional to pull the permit and complete the work for you. Even if you don’t need a permit, getting up on your roof is dangerous, especially if you have an aggressive pitch or slippery roof material, like metal. Hiring a chimney professional guarantees the job is done correctly and keeps you safe from injury.

The Knoxville, MD homeowners’ guide to roofing services

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