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TRUSTED BY DOROTHY, NJ HOMEOWNERS

  • Average homeowner rating star icon4.5
    Average homeowner rating
  • Verified reviews icon216
    Verified roofing services reviews

Top-Rated Roofers in Dorothy - Updated Nov 2026

Avatar for Lane Roofing & Exteriors
Lane Roofing & Exteriors
4.7(
36
)
Asphalt Shingle Roofing - Install or ReplaceMetal Roofing - Install or ReplaceWood Shake or Composite Roofing - Install or Replace+2 more

Serving Dorothy, NJ and surrounding areas

Approved (Corporate)

Super Service Award Winner

In business since 1994

Free estimates

Warranties offered

"?????????? 5-Star Review for Shawn Keys & Lane Roofing I had an excellent experience working with Shawn Keys from Lane Roofing. Shawn is extremely professional, very friendly, and truly knows what he?s looking for when it comes to roofing and exterior work. His communication was outstanding from start to finish, and he made the entire process smooth and stress-free. I highly recommend Lane Roofing and Shawn Keys to anyone needing roofing, siding, or any other exterior home improvement work. Top-notch service all around"
Roofing
Roofing
Response time5 hrs
Response rate100%
610 neighbors recently requested a quote
Avatar for Long Home
Long Home
4.0(
41
)
Asphalt Shingle Roofing - Install or ReplaceMetal Roofing - Install or Replace

Serving Dorothy, NJ and surrounding areas

Approved

In business since 1999

Free estimates

Emergency services offered

"Rob from Long Home Products was our roofing consultant.He arrived promptly, was professional and courteous.He spent several hours with us as he was very knowledgeable about their product, the company and the roofing process.He checked the entire roof, not just the problem area and found more damage than we thought.His expertise helped us lock in a price agreeable to both.Now we are awaiting our new roof to be put on and expect much satisfaction. Thank you Rob. Trudy and Jerry Charles"
Recommended by86%of homeowners
Avatar for Great Group Home Improvement, LLC
Great Group Home Improvement, LLC
4.7(
58
)
Asphalt Shingle Roofing - RepairAsphalt Shingle Roofing - Repair - For BusinessFlat, Foam or Single Ply Roofing - Repair+1 more

Serving Dorothy, NJ and surrounding areas

Approved

Super Service Award Winner

In business since 2007

Free estimates

Emergency services offered

"I recently hired Great Group Roofing and couldn?t be happier with the experience. From the initial estimate to the completed roof installation, the team was professional, punctual, and highly skilled. They kept the worksite clean, communicated clearly throughout the project, and completed the job on schedule. The quality of workmanship exceeded my expectations, and my new roof looks fantastic. If you?re looking for a reliable roofing company that delivers excellent service and quality results, I highly recommend Great Group Roofing!"
Roof Replacement
Roof Installation
Custom Deck build
Chimney
Deck

+15

Response time5 hrs
Response rate99%
2 neighbors recently requested a quote
Avatar for Home Genius Exteriors
Home Genius Exteriors
4.9(
388
)
Asphalt Shingle Roofing - Install or Replace

Serving Dorothy, NJ 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

Recommended by96%of homeowners
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Roofing FAQs, answered by experts

Yes, copper roof strips can help prevent shingle damage and are an alternative to algae-resistant shingles. They work in a similar way: they release copper ions that interfere with algae, moss, and other plant growth. Algae feeds on limestone in your roof shingles, and moss can uplift shingles and increase the risk of leaks. If you have issues with algae or moss on your roof, copper roof strips can help avoid damage.

No, you can’t use your home’s square footage. You have to calculate your roof’s square footage, and then you may have to convert your square footage measurement to correspond with how the roofing material is measured. For instance, some roofing is sold in “squares,” which equals the total square footage of the roof divided by 100. Shingles are sold in bundles that may not correspond to the number of squares you need. Metal roofing is sold as sheets, so determine the amount of square feet each panel will cover and then divide the total square footage by the coverage area.

Mansard roofs provide more attic space or living space on the interior than many other styles, and they offer a classic appearance and old-world charm to any home. They also often have multiple windows on the lower hip, providing ample natural light and ventilation. 

On the other hand, they’re more expensive to install and replace due to their complexity and rarity, and the low slope of the upper hip means that heavy snowfall can be an issue. Additionally, they’re more prone to leaking than many other roof styles.

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.

Walking on tiles can chip or shatter them, meaning any kind of DIY repair isn't possible. You need a trained professional to install the tiles and fix any problems. Get in touch with a top-rated tile roof repair contractor near you if your tile roof gets damaged.

The Dorothy, NJ homeowners’ guide to roofing services

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