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TRUSTED BY GRANTHAM, NH HOMEOWNERS

  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon101
    Verified roofing services reviews

Find Roofers in Grantham

Avatar for Long Home
Long Home
4.2(
95
)

Serving Grantham, NH and surrounding areas

Approved

In business since 1945

Free estimates

Warranties offered

"Long Roofing went above and beyond when installing our roof and gutter. The job turned out more difficult than we thought it would be but Long Roofing made me feel comfortable and reassured that they would fix everything. Everyone involved from the salesperson to customer service listened to our needs and treated me with respect. The roof looks amazing. I don't want to get into price, but even though you may get someone less expensive, using Log Roofing was well worth a little extra cost"
248 neighbors recently requested a quote
Recommended by84%of homeowners
Avatar for East Coast Metal Roofing, LLC - New Hampshire
East Coast Metal Roofing, LLC - New Hampshire
4.4(
32
)

Serving Grantham, NH and surrounding areas

Approved

In business since 2015

Free estimates

Warranties offered

"I knew from the start I wanted a metal roof and that I wanted the Permalock product for its quality and durability, and that it looked like the shingle roof we had. The lifetime guarantee and product sold me. The roofers were great, and every night the place was cleaned up, very efficient company."
Pomfret Center, CT
Pomfret Center, CT
Pomfret Center, CT
Pomfret Center, CT
Pomfret Center, CT

+4

Response time9 hrs
58 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for The Roofing Company
The Roofing Company
4.4(
103
)

Serving Grantham, NH and surrounding areas

Approved

Super Service Award Winner

In business since 2011

Free estimates

Emergency services offered

"Dylan was responsive, fast, courteous and professional. He came out quickly to perform a no cost estimate for the roof cleaning job. I had a lot of moss growing on the roof. He provided me with a reasonable price and was able to perform the work the next day. He communicated throughout and provided a sketch of the roof and itemized the work to be performed. Most importantly, Dylan showed up as promised did the work and cleaned up. I was very impressed with his work ethic and commitment. I will definitely hire The Roofing Co. NH again."
New Hampshire Roof Repairs
New Hampshire Roof Repair
New Hampshire Roof Repair
New Hampshire Roof Repair
New Hampshire Roof Repair

+266

Response time5 hrs
Response rate95%
46 neighbors recently requested a quote
Avatar for New England Roofing Services
New England Roofing Services
4.3(
7
)

Serving Grantham, NH and surrounding areas

Approved

In business since 1994

Free estimates

Offers commercial services

"Excellent team and communication for our roof project. We needed someone to repair our roof that has shingles thats been needing repair and they were able to deliver and spring into action within a day ! It was perfect as the rains were coming and the damage to our roof would have gotten worse. From the time I first communicated they were able to arrive and give us an estimate and work with our insurance company (which was not easy) in the same day. Highly recommend this company ! Thank you"
Response time9 hrs
Response rate90%
57 neighbors recently requested a quote
Avatar for Clear Choice Home Improvements, LLC
Clear Choice Home Improvements, LLC
4.5(
980
)

Serving Grantham, NH and surrounding areas

Approved

In business since 2004

Free estimates

Warranties offered

"I'm a return customer. They did our replacement windows a few years ago, and they just replaced our asphalt roofing shingles. They did a wonderful job. I was amazed and impressed with how quickly, and how well, they completed the job. I love my new roof."
 Insulated Vinyl Siding
 Seamless Gutters
 Easy to clean vinyl replacement windows
  Asphalt Roofing
 Leaf Slugger Gutter Covers and Water Management

+114

Response time2 hrs
346 neighbors recently requested a quote
Recommended by91%of homeowners
Avatar for Sion Roofing
Sion Roofing
5.0(
5
)

Serving Grantham, NH and surrounding areas

Approved

In business since 2024

Free estimates

Warranties offered

Sion Roofing is dedicated to providing our customers with the best quality and craftsmanship. We are here to build relationships with our customers and communities and to provide our employees with a great place to work. We look forward to working with you!!

ROOF INSTALLATION
ROOF INSTALLATION
ROOF INSTALLATION
ROOF INSTALLATION
ROOF INSTALLATION

+19

Response time4 days
Avatar for Alex Construction CORP
Alex Construction CORP
5.0(
5
)

Serving Grantham, NH and surrounding areas

Approved

In business since 2012

Free estimates

Emergency services offered

At our company, we take immense pride in our wealth of experience, expertise, and the exceptional customer service we offer to meet our clients' needs. Our mission is to consistently deliver outstanding design work and drawings, from project initiation to completion. We place great emphasis on understanding and exceeding our customers' needs and expectations, ensuring that every interaction is conducted with the utmost professionalism. Our reputation is founded on top-notch service and quality, irrespective of the size of the project. Get in touch with us today!\n

9 neighbors recently requested a quote
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Roofing questions, answered by experts

The green coloration that develops on copper roofs is called a “patina,” and it’s a result of mild oxidation on the surface. The oxidation process is not harmful to your roof. In fact, the surface corrosion acts as a protective layer and won’t spread to the core of your copper roof materials. The discoloration will progress much more quickly in damp or humid climates than it will in dry climates. If you don’t like the green color, you can seal your roof to preserve the shiny, rose-gold look.

A gable roof with steep pitches covered in asphalt shingles or wood shakes is the most popular roof for Cape Cod homes. Asphalt shingles started gaining popularity in the early 1900s, so wood shake roofs, which were popular in the 1700s when Cape Cod homes were first built, are the traditional option. You can further modernize your Cape Cod home by raising the roof in the front, back, or both to add living space and change up the traditional single-gable roof with doghouse dormers.

Fall is widely considered the best time of year to replace a roof. The moderate temperatures are ideal for roofing crews to work and for new shingles to seal properly. Additionally, autumn weather is often drier, reducing the risk of weather-related delays compared to the rainier spring season.

While spring is also a viable option, the higher chance of rainfall can slow down the project. The main drawback to a fall installation is that it's the peak season for roofers, which can lead to higher prices and scheduling challenges.

To potentially save money, you could consider scheduling your roof replacement during the summer or winter off-seasons. However, both seasons have significant disadvantages. Extreme summer heat can make shingles too soft to handle, while winter's cold, snow, and ice can create dangerous working conditions and prevent shingles from sealing correctly, as they typically require temperatures above 40-45°F.

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.

While you technically can add a roof over shakes or shingles, it’s not a good idea. Roofing over existing roofing creates a moisture barrier underneath the new roof and since the trapped material is wood, you can expect a moisture problem. While you could get away with installing a new roof over asphalt or steel, wooden roofs should be removed, new underlayment installed, and the new roof installed over that. Also, the extra weight would add strain to your roof structure.

The Grantham, NH homeowners’ guide to roofing services

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