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TRUSTED BY KNOXVILLE, MD HOMEOWNERS

  • Average homeowner rating star icon3.6
    Average homeowner rating
  • Verified reviews icon314
    Verified roofing services reviews

Top-Rated Roofers in Knoxville - 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 Knoxville, MD and surrounding areas

Approved

Super Service Award Winner

In business since 2015

Free estimates

Warranties offered

"Mo from Presidential Exteriors inspected our roof and did an excellent job. He was polite, professional, and friendly and answered all of our questions. He was very thorough, and showed us the problems with our roof both externally and internally. He explained how they would replace our roof and explained about all of their premium products, great insurance, great warranties, certified builders etc., that they provided. I know that building our new roof will be done well because they have such good materials, technique, and builders who will work on it."
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
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 Home Genius Exteriors
Home Genius Exteriors
4.9(
388
)
Asphalt Shingle Roofing - Install or Replace

Serving Knoxville, MD and surrounding areas

Approved

In business since 2004

Free estimates

Emergency services offered

Elevate your home with Home Genius Exteriors, setting the standard by offering full-service solutions for roofing, siding, windows, doors, gutters and insulation. We support our veterans and communities by supporting local and national charitable organizations through our Home Genius Cares initiative. With an Owens Corning® Platinum Preferred designation, we also offer flexible payment options, industry leading warranties and a wide range of premium products tailored for your home. It?s time for a different experience, entrust your next home project to a genius and schedule your free inspection today!

Asphalt Roofing
Asphalt Roofing
Asphalt Roofing
Asphalt Roofing
Asphalt Roofing

+76

235 neighbors recently requested a quote
Recommended by96%of homeowners
Avatar for Power Home Remodeling
Power Home Remodeling
4.3(
6,320
)
Asphalt Shingle Roofing - Install or ReplaceAsphalt Shingle Roofing - RepairInspection - Roofing+4 more

Serving Knoxville, MD and surrounding areas

Approved (Corporate)

In business since 1992

Free estimates

Warranties offered

"The whole experience was good. The warranty is exceptional The customer service was nice and the guys that actually installed the roof were hard workers. There are only two issues I had. One, the initial consultation lasted 7 hours. Between discussions about the roof to the actual roof inspection. Second. The Forman on the job barely spoke English. There was a gap that had to be overcame for understanding my questions I had. Towards the end, he offered to call someone to translate but that, I felt, was too little to late. But like I stated earlier, the group as a whole worked very hard and the roof looks great."
GAF Fortitude Roof
GAF Fortitude Roof
GAF Fortitude Roof
GAF Fortitude Roof
GAF Fortitude Roof

+20

1031 neighbors recently requested a quote
Recommended by84%of homeowners
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Showing 1-10 of 390
Roofing FAQs, answered by experts

Roof sheathing can buckle from moisture damage, too much weight from roofing materials, or too much space in between rafters without thicker sheathing to compensate for the added distance. Bucking roof sheathing is a serious problem that can lead to a collapsed roof, so have a qualified roofer near you come to identify the problem as soon as possible. 

Thatched roofs last for between 30 and 50 years in most cases, which is longer than most asphalt roofs. However, getting that life span from your thatched roof requires more maintenance than you’d need for most other materials, including fireproofing, brushing, cleaning, and rethatching as the material gets worn down. You’ll also need routine inspections to ensure you’re not at risk of leaks.

The lifespan of a torch down roof depends on the number of layers installed. A single-ply system typically lasts between 10 and 15 years, while a multi-layer system with two or three layers can last from 15 to 25 years. Although a multi-layer option may be more expensive upfront, it provides a longer service life. Warranties often reflect this, with about 12 years for a one-ply system and 15 years for a two-ply system. For context, this lifespan is shorter than other common roofing materials like wood or asphalt shingles, which typically last 20 to 30 years, with high-quality versions lasting up to 50 years.

Rubber shingles last for around 30 years, on average, and some can last for and include warranties for up to 50 years. Rubber roof shingles are more expensive than asphalt shingles, but they can last up to twice as long, meaning they provide more value in the long run. Just keep in mind that rubber roofs often require more maintenance than asphalt shingle roofs, including routine cleaning to avoid mold growth. Ask the roofer who installed your roof for an estimate for routine cleaning, if necessary.

The most common defect in a flat roof is leaking. Flat roofs have minimal slope, so water pools more readily on a flat roof than on a sloped roof, and the risk of the waterproof membrane failing increases with exposure. Tears and punctures from foot traffic and blown debris are other common problems, especially with single-ply roofing membranes like TPO and EPDM roofs.

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.