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TRUSTED BY THIELLS, NY HOMEOWNERS

  • Average homeowner rating star icon4.4
    Average homeowner rating
  • Verified reviews icon416
    Verified roofing services reviews

Top-Rated Roofers in Thiells - Updated Nov 2026

Avatar for Dalmatia Roofing
Dalmatia Roofing
4.9(
70
)
Asphalt Shingle Roofing - Install or Replace

Serving Thiells, NY and surrounding areas

Approved

Super Service Award Winner

In business since 1983

Free estimates

Emergency services offered

"After years of wear and several heavy storms, our old roof finally started showing serious signs of damage. Shingles were missing and we began noticing small leaks inside the house. We contacted Dalmatia Roofing for a full roof replacement, and their team responded quickly. They inspected the roof carefully and explained the entire replacement process in a clear and professional way."
Roofing Projects
Roofing Projects
Roofing Projects
Roofing Projects
Roofing Projects

+12

Response time6 hrs
Response rate100%
9 neighbors recently requested a quote
Avatar for A&GJ Construction
A&GJ Construction
4.8(
156
)
Asphalt Shingle Roofing - RepairTraditional Tile Roofing - RepairNatural Slate Roofing - Repair+5 more

Serving Thiells, NY and surrounding areas

Approved

Super Service Award Winner

In business since 2016

Free estimates

Warranties offered

"called Arian about a roof repair, he came next day . He gave me a good estimate for the repair, after discussing the repair we talked about a new roof because the roof was over 30 years old. He gave me a good price. He and his 5 guys came 2 days later. They finished the job in 6 hours did a good job at a fair price and left the property in clean condition"
Vent on the roof
Vent line on roof
Ventilation on the roof Garden City
Ventilation on the roof Garden City
Vent on the roof

+107

Response time7 hrs
Response rate94%
90 neighbors recently requested a quote
Avatar for Prime Roofing LLC
Prime Roofing LLC
5.0(
9
)
Asphalt Shingle Roofing - Install or ReplaceAsphalt Shingle Roofing - Repair

Serving Thiells, NY and surrounding areas

Approved

In business since 2023

Free estimates

Emergency services offered

At Prime Roofing, we are a trusted roofing company in Rockland County and Westchester County, we offer affordable roofing solutions without compromising on quality. Our expertise includes flat roof installations, commercial roofing, slat roof installations, cedar shake roofing, storm damage restoration and metal roof installations. Whether you need a durable solution for your home or a reliable roof for your business, our skilled team ensures every project is completed with precision and care. Trust us to protect your property with the best roofing solutions available.

Prime Roofing LLC
Prime Roofing LLC
Prime Roofing LLC
Prime Roofing LLC
Prime Roofing LLC

+15

15 neighbors recently requested a quote
Avatar for GM1 Construction LLC
GM1 Construction LLC
4.9(
45
)
Asphalt Shingle Roofing - RepairAsphalt Shingle Roofing - Repair - For BusinessFlat, Foam or Single Ply Roofing - Repair+3 more

Serving Thiells, NY and surrounding areas

Approved

Super Service Award Winner

In business since 2022

Free estimates

Emergency services offered

"Jason and his crew sealed my 3-season room roof and they also did some repairs to my chimney. I couldn’t be happier with the results. Jason and his crew were professional, punctual and incredibly skilled. I highly recommend GM1 to anyone in need of roofing in need of roofing or chimney services. I can rest easy tonight knowing that my roof will no longer leak. Thank you for a job well done!"
Old pipe flashing
Pipe flashing
New pipe flashing
REBUILD NEW BRICK CHIMNEY
REBUILD NEW BRICK CHIMNEY

+20

Response time4 hrs
Response rate98%
86 neighbors recently requested a quote
Avatar for Precision Roofing, Inc.
Precision Roofing, Inc.
4.7(
22
)
Asphalt Shingle Roofing - RepairFlat, Foam or Single Ply Roofing - Repair- For BusinessMetal Roofing - Repair+11 more

Serving Thiells, NY and surrounding areas

Approved

In business since 1989

Free estimates

Emergency services offered

"Very professional and competent. The new roof and gutters have solved two problems and increased the curb appeal of our home. The owner answered all questions and explained the process. He was truly invested in making sure we were pleased with the project."
Work
Work
Work
Work
Work

+48

Response time1 day
Response rate87%
36 neighbors recently requested a quote
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Roofing FAQs, answered by experts

A roof pitch multiplier is an accurate way to calculate roof square footage, and it’s handy for purchasing the correct amount of materials. To determine your roof pitch multiplier, you'll need to calculate the roof slope, square it, and add it to 144. Next, find the square root of the total and divide it by 12. The answer is your roof pitch multiplier. Once you know the roof pitch multiplier, multiply it by the total square feet of your building to determine the total roof surface area.

Gaps between tiles are necessary to help with weatherproofing, allow for thermal expansion, and increase wind resistance. In general, a small gap no larger than 3 millimeters wide will encourage proper drainage and limit cracking. Beyond that, tiles should overlap a minimum of 3 inches, except at the eaves where they should extend to the center of the gutter.

Tile roofing is durable, fire-resistant, and energy-efficient. It also adds aesthetic appeal and, with proper maintenance, can last 50-100 years.

The ridge is the horizontal line where two sloping roof sections meet at the top, forming the highest point of the roof. A hip, on the other hand, is the external angle formed where two roof sections meet and slope downward toward the walls, typically at a lower angle than the ridge. The ridge runs horizontally along the peak and the hip runs diagonally from the peak to the roof's edges.

You can negotiate roofing payment terms with a contractor, but if you’re working with a reliable, trustworthy roofing contractor, the quote they gave you is probably fair. It’s often not worth haggling over the cost of the job unless you feel it is particularly unfair. If you do, get quotes from other roofing companies to compare prices.

The Thiells, NY homeowners’ guide to roofing services

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