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TRUSTED BY GRANTHAM, NH HOMEOWNERS

  • Average homeowner rating star icon4.4
    Average homeowner rating
  • Verified reviews icon15
    Verified door services reviews

Top-Rated Door pros in Grantham - Updated Nov 2026

Avatar for DMM Siding, Roofing, Etc.
DMM Siding, Roofing, Etc.
5.0(
24
)
Doors (Interior) - Install or Replace

Serving Grantham, NH and surrounding areas

Approved

Super Service Award Winner

In business since 2019

Free estimates

Emergency services offered

"I recently hired Devin to reside my house and replace the front door, and I couldn’t be happier with the results. From start to finish, Devin was professional, reliable, and easy to work with. He clearly takes pride in his work—the attention to detail was evident in every aspect of the project. When replacing the front door, Devin discovered rot beneath the old frame. He took the time to properly address and repair all the issues around the door before installing the new one, and did an excellent job making sure everything was solid and well-sealed. The final result looks great and feels very secure. The new siding also came out fantastic and really improved the look of my home. Devin was flexible throughout the project and accommodating with any changes, making the entire process smooth and stress-free. If you’re looking for a contractor who does quality work and genuinely cares about the finished product, I highly recommend Devin."
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+8

Response time1 day
1 neighbors recently requested a quote
Recommended by100%of homeowners
West Shore Home North Boston
5.0(
2
)
Doors (Exterior) - Install or ReplaceSliding Door - Install

Serving Grantham, NH and surrounding areas

Approved (Corporate)

In business since 2006

Free estimates

Credit card accepted

West Shore Home offers a risk-free home improvement experience, so you never have to worry that you are sacrificing on quality, convenience, or expertise. We specialize in window, entry door, shower and bath replacements, including walk-in tubs. We offer fully customizable, limited lifetime-guaranteed solutions installed in as little as one-day. All of our installers are in-house employees, so we can guarantee the quality of the whole project from start to finish. We get it done the way you want - fast, easy, smart and right. \n

71 neighbors recently requested a quote
Avatar for Barton's Perfection +, LLC
Barton's Perfection +, LLC
3.4(
7
)
Doors (Exterior) - Install or ReplaceDoors (Interior) - Install or ReplaceDoors - Repair

Serving Grantham, NH and surrounding areas

Approved

In business since 2019

Free estimates

Credit card accepted

"Cody and company worked for us in the fall of 2019 getting the exterior of our new (but very old) house in shape before winter. Cody was extremely thorough in preparing the house for painting, and in repairing both, some damaged siding we were aware of, and other areas of rot that were more extensive then we knew. There was a lot to finish as the colder weather set in, but it was clear that Cody wanted to do things the right way without cutting corners. We selected a bolder variation on the previous color scheme, and the finished project looks fantastic. Cody was respectful, easy to communicate with, and fair and transparent in his pricing. We plan to work with him again on other projects in our home, including interior painting, and we recommend him and his crew without reservation."
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+77

Response time5 hrs
Recommended by80%of homeowners
Avatar for We Do It All
We Do It All
5.0(
1
)
Doors - RepairDoors (Exterior) - Install or ReplaceDoors (Interior) - Install or Replace+5 more

Serving Grantham, NH and surrounding areas

Approved

Free estimates

Small jobs welcome

"Adam and his team did an amazing job on completing a backyard fence for my family. He was hardworking and detailed with the work. Kept me updated through every step of the way from the permit process, ordering materials and check-ins as the build was happening. Our fence is great! He also completed a custom railing and gate to attach to our existing deck. Will definitely be using we do it all again for future projects."
4 neighbors recently requested a quote
Sonart Construction Corp.
2.3(
7
)
Doors (Exterior) - Install or ReplaceDoors (Exterior) - Install or Replace - For BusinessDoors (Interior) - Install or Replace+11 more

Serving Grantham, NH and surrounding areas

Approved

In business since 2013

Free estimates

Credit card accepted

"I recently had my shingle roof replaced and I?m very happy with the results. The team was professional, punctual, and completed the job efficiently. The quality of the work is excellent, and the new roof looks great. They kept the work area clean and communicated well throughout the process. I would definitely recommend them to anyone needing a roof replacement."
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Doors FAQs, answered by experts

Most modern, standard doors are 1 ⅜-inches thick, so you should aim for this thickness unless you're building a door to replace an antique door or fit into a non-standard wall opening. Thickness varies when installing a pocket door or sliding barn door, so a good rule of thumb is to measure your existing door, if possible. For standard doors, you can also measure from the inside of the door to the door stop to gauge the proper thickness.

Yes, they can enhance insulation by installing weather stripping and ensuring tight seals.

Bifold doors are a practical and space-saving option for closets, especially if you're figuring out how to design a closet in smaller rooms. This door style allows full access to the closet opening while taking up less floor space than traditional swing doors. Bifold doors come in a variety of styles, materials, and finishes to match any decor.

Plenty of building codes dictate what you must install in your home, but door sweeps are optional. However, they're a low-cost addition with many advantages. So, installing a sweep on all your exterior doors is in your best interest. You'll save money in the long run and stay more comfortable year-round.

The most common rough opening for a sliding glass door is 60 inches to 72 inches by 80 inches. A rough opening is the unframed space where your door will go.

The Grantham, NH homeowners’ guide to door services

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