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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
)
Asphalt Shingle Roofing - Install or ReplaceMetal Roofing - Install or Replace

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"
301 neighbors recently requested a quote
Recommended by84%of homeowners
DaBella - Salem (Roofing)
3.5(
621
)
Asphalt Shingle Roofing - Install or ReplaceMetal Roofing - Install or ReplaceAsphalt Shingle Roofing - Repair+4 more

Serving Grantham, NH and surrounding areas

Approved

In business since 2011

Free estimates

Credit card accepted

"Our project is scheduled for completion. The initial phase of receiving an estimate and securing financing has been very smooth and easy. Maddy Delisle was extremely attentive and patient working with us getting the project through the financing phase. She went above and beyond in answering our numerous questions. If you have a roofing or home improvement project ask for Maddy."
9 neighbors recently requested a quote
Recommended by84%of homeowners
Avatar for Clear Choice Home Improvements, LLC
Clear Choice Home Improvements, LLC
4.5(
980
)
Asphalt Shingle Roofing - Install or ReplaceMetal Roofing - Install or Replace

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
318 neighbors recently requested a quote
Recommended by91%of homeowners
Avatar for Sion Roofing
Sion Roofing
5.0(
5
)
Asphalt Shingle Roofing - Install or ReplaceAsphalt Shingle Roofing - Repair

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 time5 days
Response rate100%
Avatar for Allstate Quality Construction
Allstate Quality Construction
5.0(
4
)
Asphalt Shingle Roofing - RepairWood Shake or Composite Roofing - RepairNatural Slate Roofing - Repair

Serving Grantham, NH and surrounding areas

Approved

In business since 2019

Free estimates

Emergency services offered

"Manny and his crew were phenomenal! Diagnosed our issue, quoted us and completed in just 2 days. The siding matches completely and looks fantastic. We recommend them first for any and all work on the house. We will be using them again for another roof we own!!"
Roof replacement
Roof replacement
Roof replacement
Roof replacement
Additional Photos

+3

21 neighbors recently requested a quote
Recommended by75%of homeowners
Avatar for OTB remodeling
OTB remodeling
5.0(
4
)
Metal Roofing - Install or ReplaceAsphalt Shingle Roofing - Install or ReplaceFlat, Foam, or Single Ply Roofing - Install or Replace

Serving Grantham, NH and surrounding areas

Approved

Super Service Award Winner

In business since 2025

Free estimates

Warranties offered

At OTB Remodeling, we specialize in high-quality roofing and siding services designed to protect and enhance your home. Our experienced team is committed to delivering exceptional craftsmanship, whether you're repairing storm damage or upgrading your exterior!

Troy Siding project
After the installation of new roof
After the roofing install was complete
Finishing touches on the Metal roof
Troy Siding project

+28

1 neighbors recently requested a quote
Recommended by100%of homeowners
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Showing 1-10 of 161
Roofing questions, answered by experts

The proper specifications for furring strips can vary, so you should always consult the roofing manufacturer's guidelines or your roofer. However, general recommendations are as follows:

  • Thickness: Furring strips are typically 1 to 1-1/2 inches thick, meaning standard 1-by or 2-by lumber works well. In areas with extreme winds, a thinner strip may be preferred to limit how much air can get under the roof and cause uplift. A thicker strip can add slightly more insulation but will also increase installation costs.

  • Spacing: The recommended spacing for furring strips is between 12 and 24 inches apart on center. Proper spacing is crucial for ensuring good airflow, adequate drainage, noise reduction, and better energy efficiency. The ideal spacing can depend on the roof's pitch and the specific type of metal roofing being installed.

No, you do not need gable vents if you have a ridge vent. In fact, gable vents would actually interrupt the process that ridge vents are set to conduct. You would be better off to decide between the two depending on your home’s needs.

You can put new shingles over old shingles, but most municipalities only allow for two layers of shingles before you have to rip off the old roof and start fresh. In some areas, only a single layer of shingles is allowed due to the weight a bundle of shingles adds to your structure. In most cases, it’s a good idea to remove your old shingles before you install new shingles, especially if you suspect that a roof leak may have compromised the decking underneath.

Ideally, you shouldn’t pay your roofer upfront unless you’re special-ordering materials. However, anything between 10% and 15% of the project’s cost is reasonable to pay upfront. Avoid making a final payment until after the roof gets completed.

Roofers most often use nails to fasten roofing shingles and other roofing materials. Nails have more holding power than staples and offer better weather resistance and longevity. However, it is possible to use staples instead of nails when installing a roof. Staples are less expensive, but not as high-quality.

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.