DOOR SERVICES
With the right door services, your doors do more than open and close. They welcome people in, keep weather out, and play a big role in your home’s comfort, security, and appearance.
WHY CHOOSE C.M.L AS YOUR DOOR COMPANY IN ME & NH
Choosing the right door company means choosing a team that understands both performance and detail. At C.M.L. Roofing & General Contracting, we take a practical, homeowner-focused approach to door services with thoughtful recommendations, quality workmanship, and a clear process from start to finish.
- Locally owned and operated in Maine & New Hampshire
- Experienced with New England weather and roofing systems
- Fully insured for door repairs, installs, and installations
- Proper weatherproofing details to reduce drafts and moisture intrusion
- Reliable timelines and consistent communication from start to finish
- Precise fit and alignment so doors close, latch, and seal correctly
- Warranty-backed workmanship, including a 25-year workmanship warranty
- 250+ 5-Star Reviews in Maine
- 43+ 5-Star Reviews in New Hampshire
OUR 5-STAR DOOR SERVICES
Door Installation
Professional door installation for smooth operation, secure locking, and weather-tight performance.
Door Repair
We repair sticking, sagging, leaking, and misaligned doors for better performance.
Entry Door Replacement
Replace old entry doors with secure, better-fitting upgrades built for New England.
Sliding Glass & Patio Doors
Sliding glass and patio doors installed for smooth operation, light, and efficiency.
Storm Doors & Weatherproofing Upgrades
Storm doors and weatherproofing upgrades help block drafts, rain, and seasonal wear.
Commercial Door Services
Commercial door services focused on secure operation, reliable hardware, and clean installation.
DOOR SOLUTIONS FOR NEW ENGLAND HOMES
Southern Maine and New Hampshire doors have to perform through real seasonal pressure. Portland averages about 48.1 inches of precipitation and 68.7 inches of snow in a normal year, while Concord averages about 42 inches of precipitation and roughly 68 inches of snow. That means exterior doors here are regularly exposed to wind driven rain, snowmelt, freeze thaw movement, and long stretches of moisture that can lead to swelling, sticking, drafts, threshold leaks, and faster hardware wear if the opening is not built and sealed correctly.
That is why our door services focus on the details that matter in New England. We pay close attention to sill and threshold setup, flashing and water management, perimeter sealing, weatherstripping, and durable hardware so the door operates smoothly and helps keep water and air where they belong. For coastal homes especially, FEMA notes that salt spray, moisture, and wind driven rain accelerate corrosion and water intrusion risk, which is why proper installation matters just as much as the door itself.
HOW OUR DOOR SERVICES WORK
From your first inspection to final cleanup, our process is designed to make door services simple, transparent, and stress-free for homeowners and property owners across Southern Maine and New Hampshire. You’ll know what we found, what we recommend, and exactly what happens next.
SPECIALIZED DOOR EQUIPMENT & TRAINED CREWS
At C.M.L. Roofing & General Contracting, quality door services start with the right equipment and a properly trained crew. We use precision measuring and leveling tools, secure fastening systems, flashing and sealant products, threshold components, and hardware adjustment tools to make sure each door is installed, sealed, and operating the way it should.
Our team follows manufacturer-recommended installation standards and jobsite safety best practices on every project. All project managers are OSHA 10 and lead certified, and our crews verify fit, alignment, latch performance, and weatherstripping contact before the job is complete so your door feels solid, seals tightly, and performs well through New England seasons.
THE ME & NH DOOR COMPANY YOU CAN TRUST
Fully Insured & Backed by Real Warranties
At C.M.L. Roofing & General Contracting, our door services are backed by full insurance coverage and a 25 year workmanship warranty, giving homeowners in Southern Maine and New Hampshire added confidence from the first consultation through final installation. We believe a new door should not only look great on day one, but continue performing the way it should for years to come
Industry-Recognized, Locally Trusted, and Manufacturer-Approved Roofing Services
Our company has earned recognition that reflects the way we work, not just the finished result. C.M.L. has been named a 2025 Neighborhood Fave on Nextdoor, and we are also an Owens Corning Preferred Contractor and James Hardie Alliance Select Contractor, designations that speak to our commitment to professional standards, trusted workmanship, and consistent homeowner service across exterior projects.
HOW MUCH DO DOOR SERVICES IN MAINE & NH COST?
Door service costs can vary widely depending on the type of door, the condition of the opening, and whether you need a simple repair or a full door replacement. In Southern Maine and New Hampshire, pricing is often influenced by moisture exposure, freeze-thaw movement, and whether hidden rot or framing repairs are discovered once work begins.
On average:
- Door repairs typically range from $132 to $372 for common fixes, but exterior door repairs can run $350 to $1,050+ depending on the problem, materials, and security hardware involved.
- Exterior door installation/replacement often starts around $957 to $1,458 per door, with national averages commonly landing around $1,452 (and increasing with upgrades like sidelights, custom sizing, or premium materials).
No two door projects are the same, especially in New England, where wind-driven rain, humidity, and seasonal expansion can expose issues at thresholds, frames, and trim.
Factors That Affect Door Service Cost
- Scope of work (minor door repair vs. full door replacement)
- Door type and size (entry door vs. patio/sliding vs. double/French)
- Material and product tier (steel vs. wood vs. specialty options)
- Hardware and security upgrades (locks, handlesets, multi-point locking)
- Condition of the opening (out-of-square frames, settling, previous install issues)
- Water damage, rot, or structural repairs at the sill, jambs, or surrounding trim
- Weatherproofing requirements (threshold, sweep, sealing, storm door add-ons)
- Access and site conditions (tight entryways, stairways, commercial scheduling needs)
- Permit requirements and local code considerations (when applicable)
- Seasonality, scheduling, and current contractor demand
Many of these factors aren’t visible until the door is inspected up close, which is why online averages can only provide a rough estimate. The most accurate way to understand what your door services will cost is a professional inspection and a written scope from a local door contractor.
HOW TO TELL IF YOUR DOORS NEED ATTENTION:
Door problems don’t always show up as a dramatic break or obvious leak. In many cases, issues develop quietly through worn weatherstripping, shifting frames, or small gaps at the threshold that let in cold air and moisture.
By the time the door won’t latch smoothly or you notice water staining, the surrounding trim or framing may already be starting to deteriorate.
Common signs you may need professional door services include:
- Drafts or cold air coming in around the door edges
- The door sticks, drags, or won’t close smoothly
- The latch doesn’t line up or the door won’t lock securely
- Visible gaps or daylight around the frame or threshold
- Water intrusion at the sill, wet flooring, or staining near the entry
- Soft/rotting wood on the jambs, casing, or exterior trim
- Cracked or failing caulk and weatherstripping
- Increased outside noise coming through the entry
- Condensation or frost buildup near the door in winter
In Southern Maine and New Hampshire, coastal wind-driven rain, humidity, and freeze-thaw cycles can quickly worsen small gaps and weak seals; turning minor door issues into moisture damage or bigger repairs.
A free door inspection provides clarity and helps you decide whether you need door repair, replacement, or a weatherproofing upgrade before problems spread.
AREAS SERVED
SOUTHERN MAINE
- South Portland
- Westbrook
- Scarborough
- Cape Elizabeth
- Falmouth
- Cumberland
- Yarmouth
- Gorham
- Windham
- Freeport
- Saco
- Biddeford
NEW HAMPSHIRE
- Portsmouth
- Dover
- Somersworth
- Rochester
- Exeter
- Hampton
- North Hampton
- Seabrook
- Newmarket
- Madbury
- Milton
- Wakefield
MAP OF WHERE WE PROVIDE DOOR SERVICES
DOOR SERVICE FAQ'S
Have questions about our door services or service areas? Below are answers to some of the most common questions we hear from homeowners and property owners across Southern Maine and New Hampshire.
We offer door installation, door replacement, and door repair for homes and businesses across Maine and New Hampshire. Our team also works with entry doors, sliding glass doors, patio doors, and other exterior door systems designed to improve security, energy efficiency, and everyday performance.
Yes. We handle both door repairs and full door replacement, depending on the condition of the door, frame, hardware, and weather seal.
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Project timing depends on the scope of work, the type of door, and site conditions, but we will give you a clear timeframe before work begins and keep you updated throughout the project. Weather and special-order materials can affect scheduling, just like with our other exterior services.
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We work with a range of door materials, including wood, aluminum, fiberglass, and steel, and we can help you choose the right option for your home’s style, performance needs, and budget. We also install a variety of door types, from sliding glass and French doors to solid wood and steel entry doors.
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Not every door project requires a permit, but if one is needed, we handle the filing and payment for you. Depending on the town, we may need your signature during the permit process, but otherwise we take care of the details.
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Your contract serves as your 25 year workmanship warranty with us, and we keep those records on file for future reference. Financing and warranty details can be reviewed with your estimator so you know exactly what is covered before the job begins.
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Yes. We provide door services for both residential and commercial properties, with installation solutions tailored to the needs of each building.
We provide door services across Southern Maine and New Hampshire, including areas such as Portland, South Portland, Westbrook, Windham, Falmouth, Scarborough, Dover, Portsmouth, Barrington, Rochester, and Strafford. We also operate from offices in South Portland, Maine and Strafford, New Hampshire.
Yes. We offer flexible financing options through Service Finance Company, LLC to help make exterior improvement projects more manageable.
GET YOUR FREE DOOR QUOTE
Call us in Maine: (207) 331-4563
Call us in NH: (603) 570-6163
Or click the button below to fill out a form and we’ll be in touch soon!
GET YOUR FREE ROOFING QUOTE
If your door is drafty, sticking, leaking at the threshold, or no longer feels secure, it’s worth getting clarity before the issue turns into moisture damage or bigger repairs. Whether you need door repair, door replacement, or commercial door services, our local door contractors will walk you through the next steps with honest recommendations, photos, and a clear written scope.
Call us in Maine: (207) 331-4563
Call us in NH: (603) 570-6163
Or click the button below to fill out a form and we’ll be in touch soon!