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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(
178
)
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 was contacted by Jesse with Antietam roofing, we kept missing each other but he called back and got in touch with me to make sure that he understood what I needed done. he gave me a timeframe that he would be able to do it because he was so busy, but he surprised me by calling me at work and said he would stop by since he’d be my area & check my roof & hopefully work on it if he was able to get to it since he had so many. He checked my roof and before I knew it, he and his guys they got up there did everything lickety-split and was done so yes I would highly recommend him and his company ."
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%
32 neighbors recently requested a quote
Avatar for Home Genius Exteriors
Home Genius Exteriors
4.9(
1,241
)
Asphalt Shingle Roofing - RepairInspection - RoofingFlat, Foam or Single Ply Roofing - Repair+4 more

Serving Knoxville, MD and surrounding areas

Approved

Super Service Award Winner

In business since 2004

Free estimates

Emergency services offered

"The staff at Home Genius were very knowledgeable and friendly. Our roof was installed sooner than expected and looks amazing. Best looking roof on our street! Definitely recommend Home Genius if you’re in need of a new roof."
WINDOWS
WINDOWS
WINDOWS
WINDOWS
SIDING

+73

Response time4 hrs
Response rate93%
2780 neighbors recently requested a quote
Avatar for Skyline Construction Group DMV, LLC
Skyline Construction Group DMV, LLC
4.8(
18
)
Asphalt Shingle Roofing - Install or ReplaceAsphalt Shingle Roofing - Install or Replace - For BusinessAsphalt Shingle Roofing - Repair+26 more

Serving Knoxville, MD and surrounding areas

Approved

In business since 2017

Free estimates

Emergency services offered

Expert's in Concrete & Roofing Services :\n\nAt Skyline Construction Group, we specialize in high-quality concrete & roofing solutions. Your satisfaction is our top priority, and we guarantee that we won’t leave until the job is done right.\n\nWe take pride in delivering exceptional craftsmanship and outstanding customer service on every project. Our experienced team is here to help no matter the project or project size. \n\nExplore our full range of services and schedule your free estimate today by calling or clicking below! 240-388-1123

Driveway replacement
Garage Addition- concrete foundation and slab
New patio !!!
Concrete driveway
Full movement and replacement. Before and after.

+24

Response time4 days
Response rate100%
7 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."
5 neighbors recently requested a quote
Recommended by88%of homeowners
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Showing 1-10 of 386
Roofing questions, answered by experts

Building code allows 24-inch on-center spacing for roof trusses. However, you can install them on 12- or 16-inch centers to handle large loads or other exceptional circumstances. In cases such as covering a wide span or supporting alternative roofing materials, where a structural engineer needs to evaluate or create a design for your trusses, the plans will indicate the spacing. 

Properly installed chimney flashing can last anywhere from 15 to 50 years. However, flashing generally only needs to be replaced when it is damaged, corroded, or no longer creates a watertight seal. Several factors influence its longevity, including the material type, quality of installation, and local climate. For example, copper flashing tends to last longer than galvanized steel. Large storms and extreme weather can also damage flashing, potentially requiring earlier replacement. To ensure its longevity, it is recommended to have your chimney and roof inspected annually. A professional can assess the flashing's condition and recommend any necessary repairs.

Most roof leaks occur where shingles meet or where there are sealants or seams in the materials. This is common around skylights and at any point there is a break in the roof such as corners and edges. Roofing materials are incredibly strong and resistant when overlapping, but any change in that can cause gaps where water can enter.

More and more insurance companies are writing torch down applications out of their liability insurance for contractors. If torch down is covered, they generally require a worker to stay on site for two hours after the last flame is extinguished.

For this reason, cold application modified bitumen—also known as “peel and stick”—is becoming more popular, and torch down is decreasing in popularity. Modified bitumen is taking its place, as it uses both hot and cold applications.

Yes, clay and concrete tile roofs will keep your home cooler in the summer for two reasons. First, the material has low heat conductivity, so heat transfer from the sunlight and the outside air to your home will be very slow. Additionally, tile roofs have air gaps between the tiles and the roof decking, which helps further insulate your structure from heat gain. Light-colored tile is especially energy-efficient and will minimize how much outside heat transfers into your home.

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.