Strafford County, NH Windows, Siding, Roofing, and Doors

Coastal Windows & Exteriors proudly serves Strafford County, NH with high-quality exterior remodeling services tailored to New England homes.

REFRESH YOUR HOME THIS SPRING

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James Hardie Siding · Vinyl Siding · Roof Replacement · Window Replacement · Entry Doors

+FINANCING UP TO 20 YEARS*
Stop Drafts. Cut Energy Bills. Boost Curb Appeal. Increase home value.

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Built on Education. Backed by Awards. Loved by Strafford County Homeowners.

We bring dream homes to life with exterior remodeling in Strafford County, NH: Energy efficient roofing, replacement windows, vinyl and James Hardie siding, and entry doors with an empathetic and educational approach to transforming your home.

Leading the Way in Exterior Remodeling: Strafford County, NH

Established in 2011; woman-owned, family-run exterior remodeling company (not a franchise)
Branch locations: Beverly, MA and Bedford, NH
GAF-certified Master Elite Roofing Contractor
James Hardie Elite Preferred Contractor
4.8-Star Google rating with 950+ verified reviews
#1 Woman-Owned Replacement Company in New England (Inc. 5000 & Qualified Remodeler Top 500)
#1 Woman-Owned James Hardie Exterior Remodeling Company in New England
#4 Overall & #4 Among Privately Owned Exterior Remodeling Companies in New England (Qualified Remodeler Top 500)
#2 Top Satisfaction Leader in Home Improvement (Qualified Remodeler)

Award-Winning. Woman-Owned. Here for You!

James Hardie Service Excellence Award — 2023, 2024, 2025, 2026
HIP Top 200 U.S. Home Improvement Companies — 2024, 2025, 2026
James Hardie President's Club Award — 2025
BONS Editors' Choice Award — 2023, 2024, 2025
SBA Massachusetts Business Person of the Year — 2024
Qualified Remodeler #1 Woman-Owned in New England — 2023, 2024
GAF Master Elite President's Club Award — 7 consecutive years (2017–2023)
Minuteman Service Award (North Shore Chamber of Commerce) — 2022
Family Business of the Year (Greater Beverly Chamber of Commerce) — 2022

About Strafford County, NH

Strafford County occupies a distinct corner of New Hampshire. It sits far enough inland to catch the full force of a NH winter, yet close enough to the coast to feel the pull of the Seacoast Region. Dover, Rochester, and Somersworth form the urban core, while Durham, Barrington, and Farmington bring a quieter, small-town character to the county.

Homes here span the full range of New England architecture. Colonial capes sit alongside newer construction, ranch homes, and everything in between. What they share is exposure to freeze-thaw cycles, heavy snow loads, and seasonal moisture that test every exterior surface over time.

Coastal Windows & Exteriors proudly serves Strafford County homeowners across the Inland Seacoast. We install roofing, siding, windows, and doors built to last through whatever this region brings.

Strafford County, NH FAQs

How Do I Choose the Right Roofing Contractor in Strafford NH?

Choosing the right roofing contractor starts with verifying certification, insurance, local experience, and an honest written estimate.

A GAF Master Elite certified roofing contractor has met the highest standards in the industry. This status is earned by only the top 2% of roofing professionals in North America. For homeowners throughout Strafford County, knowing what to look for protects you from hiring someone underqualified for a project that averages $35,701.

What Homeowners in the Inland Seacoast Region Need to Know

Verify certification: GAF Master Elite certification means a contractor has met strict requirements for training, workmanship, and reputation. This status unlocks enhanced warranty options for you that uncertified contractors can’t offer.
Check insurance first: Any contractor working on your home must carry both liability and workers’ compensation insurance. Always request proof before signing anything — don’t take their word for it.
Understand the full system: Knowing what is a roofing system helps you ask smarter questions. A qualified contractor should be able to explain deck protection, leak barriers, ventilation components, and ridge cap shingles before the project starts.
New England shingle expertise: Your contractor should have direct experience installing New England shingle products. The shingles should protect through freeze-thaw cycles, ice dam conditions, and heavy snow loads. General experience isn’t enough in this climate.
Age and inspection history: According to GAF, you should inspect your roof at least twice a year. If your roof is more than 20 years old or has recurring issues, consider replacement.
Avoid storm chasers: Unlicensed contractors who appear after storms offer the lowest bids but no accountability. Emergency roof leak repairs can cost up to twice as much as planned repairs.

Choosing the Right Contractor for Your Strafford Home

Top Pick: A GAF Master Elite certified roofing contractor for any full replacement project in Southern NH — certification means better warranties, stricter training, and higher accountability. Contact Coastal Windows & Exteriors for a free estimate!

Worth confirming: That your contractor pulls the required permits, provides a written scope of work, and can walk you through every layer of the roofing system before a single shingle goes down.

Skip entirely: Any contractor who can’t provide proof of insurance, avoids permit discussions, or pressures you to decide on the spot.

Request a free roofing estimate from Coastal Windows & Exteriors.

Browse our complete roofing FAQ guide from Coastal Windows & Exteriors.

Explore our Roofing Exterior Remodeling Home Improvement Help Center.

Last Updated: April 2026

Sources:

Homeowners should inspect their roof at least twice a year, in spring and fall, and consult a roofing professional about replacement if the roof is more than 20 years old or has recurring issues. GAF Residential Roofing FAQs, GAF’s official guidance on roof inspection frequency, maintenance schedules, and when to consider replacement. (2025)
Emergency roof leak repair can cost nearly $1,800 and up to twice as much as a planned roof repair. This Old House Emergency Roof Leak Repair, This Old House’s guidance on the costs and considerations involved in emergency roof leak situations. (2025)
The average cost to replace an asphalt roof in New England is $35,701. Remodeling Magazine (JLC Online) Cost vs. Value 2025 – New England, regional cost and resale value data for roofing replacement projects across New England. (2026)

Can Hardie Board Be Used for Soffits?

James Hardie makes HardieSoffit® panels specifically designed for soffit applications. I’s not a workaround, but an engineered solution.

Using fiber cement for soffits gives homeowners in Strafford County a durable, non-combustible option that stands up to moisture, insects, and the freeze-thaw climate of New Hampshire. The key is working with experienced Hardie siding contractors like Coastal Windows & Exteriors. We understand proper ventilation requirements and product specifications for soffit installation.

What Homeowners Should Know About Hardie Board for Soffits

Purpose-built product: James Hardie manufactures HardieSoffit® panels as a dedicated soffit solution. These panels are engineered for the specific exposure conditions of eaves and overhangs — not adapted from wall siding.

Moisture resistance: Soffits take on moisture regularly from rain, condensation, and seasonal humidity. Fiber cement doesn’t rot, warp, or attract insects the way wood-based soffit materials do.
Non-combustible benefit: Hardie board carries a non-combustible classification and will slow the spread of flames. That’s especially important for soffits, which sit directly adjacent to attic and roof structures.

Hardie board colors: HardieSoffit® panels are available to be painted or installed with ColorPlus Technology finishes that match the Hardie board colors used on the main siding. ColorPlus finishes never need repainting after installation, keeping your entire exterior cohesive.

Ventilation matters: Soffits must allow proper attic airflow to prevent moisture buildup and ice dam formation. A qualified Hardie siding contractor in Southern NH will specify vented or non-vented panels based on your home’s ventilation needs.

Whole-exterior approach: When replacing siding and soffits together, fiber cement delivers a 144% ROI at resale nationally. Using James Hardie products throughout the exterior creates a unified look and simplifies long-term warranty coverage.

Choosing the Right Soffit Approach

Top Pick: HardieSoffit® panels with ColorPlus Technology for homes in the Seacoast Region — they match your siding seamlessly, never need repainting, and perform in New Hampshire’s humid coastal climate. Contact Coastal Windows & Exteriors for a free assessment!

Worth asking: Whether your contractor will spec vented soffit panels to ensure proper attic airflow. Ventilation is just as important as the material itself.

Best contractor choice: A James Hardie Elite Preferred contractor has direct product knowledge and access to the full HardieSoffit® line — and installs the system correctly to protect your warranty.

Request a free siding estimate from Coastal Windows & Exteriors.

Browse our complete siding FAQ guide from Coastal Windows & Exteriors.

Explore our Siding Exterior Remodeling Home Improvement Help Center.

Last Updated: April 2026

Sources:

Fiber cement siding in New England delivers a 144% ROI, with an average project cost of $20,678 in the region. Remodeling Magazine (JLC Online) Cost vs. Value 2025 – New England, regional cost and resale value data for fiber cement siding installation projects across New England. (2026)
Roughly 65% of homeowners currently prefer neutral siding colors, and 49% of design experts recommend white as the best color choice when preparing a home for sale. Fixr Home Siding Statistics, Fixr’s survey data on homeowner siding color preferences and expert recommendations for resale appeal. (2025)

Protect What Matters Most with a GAF Certified Roofer

Strafford County homeowners need a roofing contractor who shows up and backs the work with warranties that hold.

Coastal Windows & Exteriors is a GAF Master Elite® Contractor, ranking in the top 2% of roof companies nationwide. Every project in the Inland Seacoast is handled with precision and full accountability. A new roof delivers up to a 56% return on investment.

Roofing Systems Built for the Inland Seacoast

Asphalt Shingles – The most proven roofing material in New Hampshire, and for good reason. Lifetime warranty options, impact-resistant shingles, and reliable protection through every Strafford County season. We handle residential roof repair near me requests across the county as a qualified roofing contractor.
Metal Roofing – A 70-plus year roof that needs virtually no maintenance. Storm-resistant and built to handle the snow loads common across Inland Seacoast winters without compromise.
Ventilated Roof Systems – Attic ventilation is what separates a roof that lasts from one that doesn’t. Proper airflow prevents moisture buildup, reduces ice dam risk, and keeps your whole roofing system performing as it should.
GAF Roofing Systems – America’s #1 roofing manufacturer backs every install with 30-year shingle warranties and 25-year labor guarantees. Coverage from the first nail to the final inspection.
Certified Roof Installation – Every Strafford County project is completed by GAF Master Elite® contractors. Our team answers those questions and more on every job.

Serving Strafford County, the Inland Seacoast, Southern NH, Dover, Durham, Farmington, Barrington, Rochester & Somersworth.

Ready for your free roofing estimate? We’re right in your area. Contact us today to get started!

Best James Hardie & Vinyl Siding Installers in Strafford County

Cold winters, wet springs, and fluctuating temperatures put real stress on exterior cladding year after year. Coastal Windows & Exteriors is a James Hardie Elite Preferred Contractor and President’s Club Award Winner (#1 in the USA). VSI Certified installation and Lead-Safe EPA Certified Firm (RRP) credentials back every project. Strafford County homeowners get materials and craftsmanship built to last for decades.

Siding Solutions Built for Strafford County Homes

James Hardie Siding Colors That Last – James Hardie siding colors like Arctic White, Monterey Taupe, Countrylane Red, and Chestnut Brown hold up through NH winters without fading or peeling. The right color makes a real difference on a New England home.
Cold-Weather Installation Done Right – Our VSI Certified crews work year-round, trained for cold-weather installs without cutting corners on expansion gaps or fastening.
Indigo Blue Vinyl Siding and More – Indigo blue vinyl siding is a top choice for Seacoast-adjacent homes. Pair it with white trim and a black entry door for a look that stands out in any neighborhood.
Built-In Moisture Protection – Every project includes HardieWrap® or premium housewrap with optional foam board insulation. Wind-driven rain and snowmelt stay outside where they belong.
Fiber Cement Built Tough – James Hardie fiber cement resists impact, rot, and moisture. It’s the material of choice for homeowners who want to solve the problem once.
Worry-Free Warranties – James Hardie’s 30-year warranty and a transferable lifetime warranty on vinyl give Strafford County homeowners lasting protection on every project.

Serving Strafford County, the Inland Seacoast, Southern NH, Dover, Durham, Farmington, Barrington, Rochester & Somersworth.

See your home transformed before the project starts. Contact us for a free 3D model of your actual home with new siding. Enjoy 121% ROI for James Hardie siding and 118% ROI for vinyl siding installation.

Lower Energy Bills with Energy Efficient Window Replacement

Drafty windows are one of the most common complaints we hear from homeowners in Dover, Rochester, and across the Inland Seacoast. Old frames, failed seals, and single-pane glass drive up heating costs and make rooms uncomfortable.

Coastal Windows & Exteriors installs high-performance replacement windows sized and sealed for NH conditions. Every installation includes premium energy upgrades at no extra cost. Replacement windows deliver an 85% return on investment.

Professional Window Installation for Strafford County & Surrounding Areas:

Best Windows for New England Homes – Triple-pane glass with advanced low-E coatings and insulated frames hold interior heat through the coldest Strafford County winters. Choosing the best windows for New England means prioritizing thermal performance first.
Fix Leaks Before They Spread – Water dripping from window frame edges is a warning sign that shouldn’t be ignored. Our foam-filled frames and precision-fit installation stop moisture infiltration at the source.
Style Built for Your Home – Choose from black frame profiles, arched tops, wood-clad interiors, geometric shapes, and custom configurations. Every window is built to fit the look and scale of your home.
Quieter, More Comfortable Rooms – Triple-pane construction cuts outdoor noise. Homes near busy roads in Dover or Rochester notice the difference from the first day.
No Hidden Fees – Every installation includes premium energy upgrades as standard. No upsells. No surprises. Just high-performance windows from the start.

Serving Strafford County, the Inland Seacoast, Southern NH, Dover, Durham, Farmington, Barrington, Rochester & Somersworth.

Start saving on energy bills — get your free window estimate today.

Dover's Premier Door Replacement Company

Entry doors in Strafford County take a beating. Cold snaps, driving rain, and a full New England winter all test the integrity of a door over time. When a door starts sticking, drafting, or just looking worn, a new door changes everything.

Coastal Windows & Exteriors installs energy efficient entry doors built for the Inland Seacoast. New doors deliver a 236% return on investment

Quality Doors Built for Strafford County Homeowners

New Door, Immediate Results – A new door improves comfort, security, and curb appeal from day one. Fiberglass and steel construction handles moisture and temperature swings across Southern NH without warping, swelling, or rusting.
Exterior Door Installation Done Right – Proper exterior door installation near you matters as much as the door itself. Our crews fit every frame with precision weatherstripping to seal out cold air.
ENERGY STAR® Certified – Fully insulated door cores eliminate heat transfer at the entryway. Strafford County homes stay warmer in winter without the heating costs to match.
Bold Color Choices – Choose from any color in the Sherwin-Williams catalog. Deep blues, warm reds, classic black, or rich earth tones all make a strong statement against any siding color.
Smart Lock Options – Keyless entry, video doorbells, and fingerprint recognition add modern security and daily convenience. Great for families, rental properties, and anyone upgrading from an outdated lock system.
Statement Entryways – Oversized entries, double door configurations, and sidelight or transom glass options elevate your home’s front facade and add natural light to your entryway.
Maintenance-Free Finishes – Fade-resistant coatings and realistic woodgrain textures deliver the warmth of natural wood with none of the sanding, painting, or sealing.
236% ROI – Entry door replacement is one of the best-returning home upgrades available, period.

Serving Strafford County, the Inland Seacoast, Southern NH, Dover, Durham, Farmington, Barrington, Rochester & Somersworth.

Transform your entryway and start saving on energy — get your free door estimate today.

WHAT WE DO

Coastal Windows & Exteriors home improvement pros specializing in replacement windows, doors, roofing & siding throughout Strafford County, NH and surrounding area throughout Massachusetts

Roofing

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Siding

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Windows

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Doors

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Neighborhood Service Areas

Don’t See Your Town?

Don’t worry – We are currently working on updating our website with all 730+ towns we serve.
Call 978-344-1853 to schedule your free consultation.

Barrington

Center Strafford

Dover

Durham

Farmington

Lee

Madbury

Milton

Milton Mills

New Durham

P.O. Box for Rochester.

Rochester

Rollinsford

Somersworth

Strafford

Union

Frequently Asked Questions About Exterior Remodeling in Strafford County, NH

How Long Do Roof Shingles Last in Strafford NH?

Asphalt shingles can last up to 50 years, and metal roofing up to 70 years. Lifespan for shingles in Stafford County NH depends on product quality and installation.

Quality and workmanship are the two biggest factors that determine how long a roof actually lasts.

What Homeowners in the Inland Seacoast Should Know About Roof Shingle Lifespan

Asphalt lifespan: Quality asphalt shingles can last up to 50 years when properly installed and maintained. According to GAF, if your roof is more than 20 years old or has recurring issues, you should consult a professional about replacing it.

Metal roof advantage: Metal roofing can last up to 70 years and saves significant energy compared to asphalt. The average cost of a metal roof in the U.S. is $56,282, making it a premium but long-lasting investment.

Leak barrier protection: GAF notes that leak barriers at the eaves are installed to prevent water from entering through the roof deck where ice dams form. This layer directly protects shingles and the deck beneath them during Southern NH winters.

Shingle color selection: When choosing roof shingles colors most popular for New England homes, darker tones like slate gray, charcoal, and weathered brown are consistent regional favorites. GAF’s Timberline HDZ® line offers a broad palette with built-in StainGuard Plus algae protection.

Inspection schedule: GAF recommends inspecting your roof at least twice a year in spring and fall. Regular inspections in the Seacoast Region’s coastal climate catch early signs of wear before they become expensive repairs.

Shingle Type	Expected Lifespan	Avg. U.S. Cost	Best For
Asphalt shingles	Up to 50 years	$35,701 avg. replacement	Budget-conscious, long-term performance
Metal roofing	Up to 70 years	$56,282 avg.	Maximum longevity, energy savings
GAF Timberline HDZ®	Up to 50 years	Varies	Wind protection, algae resistance, warranty coverage

Choosing the Right Roof for Your Home

Top Pick: GAF Timberline HDZ® architectural shingles for homes in the Southern NH area. These shingles are engineered for wind resistance, algae protection, and long-term performance in New England conditions. Contact Coastal Windows & Exteriors for a free estimate – the area’s #1 woman-owned GAF Master Elite roofing contractor!

Worth considering: Metal roofing for homeowners planning to stay long-term and willing to invest upfront for the lowest lifetime maintenance costs available.

Don’t skip: A twice-yearly roof inspection with a GAF Master Elite certified roofing contractor (top 2% in North America) — catching small issues early extends the life of any shingle significantly.

Request a free roofing estimate from Coastal Windows & Exteriors.

Browse our complete roofing FAQ guide from Coastal Windows & Exteriors.

Explore our Roofing Exterior Remodeling Home Improvement Help Center.

Last Updated: April 2026

Sources:

Homeowners should inspect their roof at least twice a year, in spring and fall, and consult a roofing professional about replacement if the roof is more than 20 years old or has recurring issues. GAF Residential Roofing FAQs, GAF’s official guidance on roof inspection frequency, maintenance schedules, and when to consider replacement. (2025)
Leak barriers installed at the eaves help prevent water from penetrating the roof deck in areas where ice dams form. GAF Ice Dam Cause and Preventative Measures, GAF’s technical bulletin on ice dam formation, prevention strategies, and recommended roofing system components. (2025)
Metal roofs can deliver significant energy savings compared to asphalt shingles. Oak Ridge National Laboratory Metal Roof Energy Performance Study, research findings on the comparative energy performance of metal roofing versus traditional asphalt. (2013)
The average cost to replace an asphalt roof in New England is $35,701, and a metal roof averages $56,282 in the region. Remodeling Magazine (JLC Online) Cost vs. Value 2025 – New England, regional cost and resale value data for roofing replacement projects across New England. (2026)

What Kind of Siding Do I Have?

The most common siding types in Strafford County are vinyl, fiber cement, wood, and engineered wood — and each one looks, feels, and performs differently.

Knowing your siding type helps you understand what maintenance it needs, whether it’s the best siding for New England conditions, and when it might be time to replace it.

How to Identify Your Siding Type

Vinyl identification: Vinyl siding is lightweight, smooth or woodgrain-textured, and hollow when you tap it. It doesn’t absorb moisture, won’t rot, and has been the number one exterior cladding choice in the U.S. and Canada since 1995.

Fiber cement identification: Fiber cement siding like James Hardie feels dense and heavy. It’s firm when pressed, painted rather than color-through, and requires periodic repainting and caulking.

Wood siding identification: Wood siding shows grain texture and is solid when pressed. It requires frequent painting or staining and caulking — ongoing maintenance that costs up to $12,000 per exterior paint project over its lifetime.

Vinyl siding color choices: If your siding is vinyl, the color is molded through the material, not painted on. Roughly 65% of homeowners currently prefer neutral vinyl siding color choices like Arctic White, Iron Gray, or Boothbay Blue for their homes in the Inland Seacoast area.

Upgrade considerations: The best siding for New England homes balances durability, moisture resistance, and low maintenance. Vinyl delivers an 97% ROI at resale. Meanwhile, fiber cement earns 144%. Both outperform wood’s higher long-term maintenance costs.

When to call a pro: If you’re unsure what you have or notice peeling, soft spots, gaps, or moisture staining. A free estimate in Southern NH typically includes a visual inspection of your current siding.

Finding the Best Siding in New England for Your Home

Top Pick: Vinyl siding with a foam-back insulated option for homes in the Seacoast Region — it delivers the lowest maintenance, strongest energy performance, and reliable long-term durability.

Good upgrade: Fiber cement siding for homeowners who want a premium exterior with a 144% ROI and strong resistance to impact, moisture, and fire. Coastal Windows & Exteriors is a James Hardie Preferred Contractor, offering you plenty of perks and exceptional craftsmanship.

Start here: If you’re not sure what siding you have or how long it has left, a free estimate from Coastal Windows & Exteriors includes a no-pressure siding assessment.

Request a free siding estimate from Coastal Windows & Exteriors.

Browse our complete siding FAQ guide from Coastal Windows & Exteriors.

Explore our Siding Exterior Remodeling Home Improvement Help Center.

Last Updated: April 2026

Sources:

Vinyl siding has been the number one exterior cladding choice in the U.S. and Canada since 1995. Polymeric Exteriors Insulated Siding Guide, a technical guide covering the performance, history, and installation benefits of insulated vinyl siding products. (Accessed April 2026)
Repainting a home’s exterior can cost up to $12,000 over the lifetime of wood siding. NerdWallet Save on Cost to Paint a House, NerdWallet’s breakdown of exterior house painting costs relevant to homeowners maintaining wood siding. (2026)
Roughly 65% of homeowners currently prefer neutral siding colors such as white, off-white, gray, and light shades of blue and brown. Fixr Home Siding Statistics, Fixr’s survey data on homeowner siding color preferences and design trends. (2025)
Vinyl siding delivers a 97% ROI and fiber cement siding delivers a 144% ROI in New England. Remodeling Magazine (JLC Online) Cost vs. Value 2025 – New England, regional cost and resale value data for siding installation projects across New England. (2026)

Is Vinyl Siding Better Than Aluminum?

Vinyl siding outperforms aluminum in nearly every category that matters — maintenance, energy efficiency, durability, and long-term value.

For homeowners in Strafford County comparing options, the differences are significant and worth understanding before making a decision.

What NH Homeowners Should Know Before Choosing Between Vinyl and Aluminum

Maintenance reality: Vinyl siding only needs mild soap and water for periodic cleaning. Aluminum, by contrast, oxidizes and chalks over time and eventually needs repainting — at a cost of up to $12,000 per project.

Dent and damage risk: Aluminum dents easily from hail, impact, and normal wear. Vinyl is flexible and impact-resistant by design, making it far better suited to the freeze-thaw climate of the Inland Seacoast.

Fade performance: When asking does vinyl siding fade, the answer depends on product quality — but premium vinyl lines with UV-stabilized pigments maintain color far better than aluminum, which oxidizes and loses its finish over time.

Energy efficiency: Insulated vinyl siding improves a home’s air tightness by an average of 11% and reduces heating and cooling energy use by 2 to 7% compared to a standard-built home. Aluminum offers no comparable insulation benefit.

ROI at resale: Vinyl siding delivers an 97% ROI nationally, with an average project cost of $18,000. Composite siding vs vinyl comparisons often come down to budget and climate — but aluminum doesn’t rank competitively against either option for Southern NH homes.

Fire behavior: Rigid PVC vinyl requires 45% oxygen to sustain combustion, which is higher than the 21% found in normal air. Aluminum conducts heat rapidly, which can be a concern in extreme conditions.

Feature	Vinyl Siding	Aluminum Siding
Maintenance	Soap and water only	Repainting required over time
Dent resistance	Good	Dents easily
Insulation option	Yes — foam-back available	No insulation option
Fade resistance	UV-stabilized pigments	Oxidizes and chalks
ROI	97%	Not ranked
Avg. U.S. cost	$18,000	Varies
Recommended for NH	Yes	Not recommended

Choosing the Best Siding in New England for Your Home

Top Pick: Insulated foam-back vinyl siding for homes in the Seacoast Region — it delivers low maintenance, meaningful energy savings, and strong resale value in one product. Contact Coastal Windows & Exteriors for a free estimate!

Good alternative: Fiber cement siding for homeowners who want maximum durability and a 144% ROI, with a premium look that holds up to New England weather. Coastal Windows & Exteriors is a James Hardie Preferred Contractor serving Strafford County and surrounding communities.

Skip it entirely: Aluminum siding is a product we don’t install or recommend — its long-term maintenance costs, dent vulnerability, and lack of insulation value make it a poor fit for New Hampshire homes.

Request a free siding estimate from Coastal Windows & Exteriors.

Browse our complete siding FAQ guide from Coastal Windows & Exteriors.

Explore our Siding Exterior Remodeling Home Improvement Help Center.

Last Updated: April 2026

Sources:

Repainting the exterior of a house can cost up to $12,000. NerdWallet Save on Cost to Paint a House, NerdWallet’s breakdown of exterior house painting costs and strategies for homeowners looking to manage repainting expenses. (2026)
Insulated vinyl siding can improve a home’s air tightness by an average of 11% and reduce heating and cooling energy use by 2 to 7% compared to a home built to standard energy codes. Polymeric Exteriors Insulated Siding Guide, a technical guide covering the energy performance, fire safety, and installation benefits of insulated vinyl siding products. (Accessed April 2026)
Rigid PVC vinyl siding requires 45% oxygen to sustain combustion, well above the 21% oxygen level found in normal air, making it difficult to ignite. Polymeric Exteriors Insulated Siding Guide, a technical guide covering the energy performance, fire safety, and installation benefits of insulated vinyl siding products. (Accessed April 2026)
Vinyl siding delivers a 97% ROI, with an average project cost in New England of $17,590. Remodeling Magazine (JLC Online) Cost vs. Value 2025 – New England, regional cost and resale value data for vinyl siding installation projects across New England. (2026)

Is Fiber Cement Siding the Same as Hardie Board?

James Hardie’s Hardie board is a brand of fiber cement siding. It’s the most widely recognized and installed in the industry, especially here in New Hampshire.

All Hardie board is fiber cement siding, but not all fiber cement siding is Hardie board. James Hardie is the manufacturer behind HardiePlank®, HardieShingle®, and HardiePanel®.

What Homeowners Should Know About Hardie Board and Fiber Cement

What makes Hardie different: James Hardie engineered its fiber cement products specifically for regional climates. Products like HardiePlank® lap siding are designed to handle the freeze-thaw exposure common across the Inland Seacoast without warping, rotting, or cracking.

Types of Hardie board: The three main types of Hardie board are HardiePlank® (horizontal lap siding), HardieShingle® (cedar shake look), and HardiePanel® (vertical applications). Each profile suits a different home style and aesthetic goal.

Hardie board fire rating: Hardie board is a non-combustible product — it won’t ignite or contribute to flame spread the way wood-based siding does. That’s a meaningful advantage for home safety in any climate.

ColorPlus Technology: Hardie board with ColorPlus Technology never needs painting after installation. The factory-baked finish resists chipping, fading, and cracking far better than field-painted fiber cement from any brand.

Energy and moisture performance: HardieWrap, installed beneath the fiber cement boards, reduces air infiltration and cuts natural gas or heating oil consumption by 15%. This makes the full Hardie system one of the most efficient siding upgrades available for Southern NH homes.

ROI and project cost: Fiber cement siding — including James Hardie products — delivers a 144% ROI nationally, with an average project cost of $20,678. Installation by a James Hardie Elite Preferred contractor in the Seacoast Region typically takes around six weeks.

Product	Profile	Best For	ColorPlus Available
HardiePlank®	Horizontal lap	Most home styles	Yes
HardieShingle®	Cedar shake look	Coastal and cottage styles	Yes
HardiePanel®	Vertical panel	Contemporary and farmhouse styles	Yes
Generic fiber cement	Varies	Budget-driven installs	Varies by brand

Choosing the Right Product for Your Home

Top Pick: HardiePlank® with ColorPlus Technology for most homes — it’s the most versatile profile, never needs repainting, and carries strong warranty protection when installed by a certified contractor. Coastal Windows & Exteriors is a James Hardie Preferred contractor, bringing you the best selection of Hardie board and quality installation! Contact us for a free estimate.

Worth considering: HardieShingle® for homes with a traditional or coastal aesthetic that want a premium cedar look without the cedar maintenance demands.

Important distinction: Not all fiber cement is created equal. James Hardie’s products are engineered for specific climate zones — choosing a James Hardie Elite Preferred contractor ensures you get the right product for your region.

Request a free siding estimate from Coastal Windows & Exteriors.

Browse our complete siding FAQ guide from Coastal Windows & Exteriors.

Explore our Siding Exterior Remodeling Home Improvement Help Center.

Last Updated: April 2026

Sources:

Fiber cement siding in New England carries an average project cost of $20,678 and delivers a 144% ROI. Remodeling Magazine (JLC Online) Cost vs. Value 2025 – New England, regional cost and resale value data for fiber cement siding installation projects across New England. (2026)
Reducing air infiltration in the home can cut natural gas or heating oil consumption by 15%. ENERGY STAR Why Seal and Insulate, ENERGY STAR’s guidance on the energy savings achieved through improved home sealing and reduced air infiltration. (Accessed April 2026)
Roughly 65% of homeowners currently prefer neutral siding colors, and 49% of design experts recommend white as the best color choice when preparing a home for sale. Fixr Home Siding Statistics, Fixr’s survey data on homeowner siding color preferences and expert recommendations for resale appeal. (2025)

How Much Can Energy Efficient Windows Save?

Upgrading from single-pane to triple-pane windows can save over $500 per year on energy bills.

Meanwhile ENERGY STAR certified windows, doors, and skylights reduce heating and cooling costs by an average of up to 13% nationwide.

What Strafford County Homeowners Should Know About Energy Efficient Window Savings

Triple-pane upgrade savings: Upgrading from double- to triple-pane windows can improve energy efficiency performance by 40% or more. Triple-pane units carry a U-value of 0.20–0.30 vs. 0.30–0.45 for double-pane windows.

Draft rating standard: The most energy-efficient windows are ENERGY STAR certified with a 0.1 CFM draft rating.

Under-insulation problem: Nine out of 10 homes in the U.S. are under-insulated. Windows account for a significant portion of that heat loss — especially older single-pane or builder-grade units that have lost their seal.

Energy bill context: Drafty windows in winter are one of the most common and costly home performance problems in New England. Replacing failing windows removes an ongoing expense rather than simply adding a new one.

ROI at resale: Window replacement delivers an 76% ROI nationally, with an average project cost of $21,922. The combination of energy savings and resale value makes it one of the most practical home investments available for the Inland Seacoast climate.

Financing makes it accessible: Financing available up to 20 years based on credit approval. Make easy and affordable payments!

Choosing the Right Windows for Your Home

Top Pick: Triple-pane ENERGY STAR certified windows for homes replacing single-pane or aging builder-grade units. Savings, comfort, and 40%+ efficiency improvement make them the strongest long-term choice. Coastal Windows & Exteriors is one of the top window companies in Southern NH. Call us for a free estimate!

Worth knowing: Financing up to 20 years based on credit approval makes full window replacement practical without waiting, so you start saving sooner rather than later.

Don’t delay on: Drafty or failing windows — every month you wait is money lost to heating and cooling a leaky envelope that good windows would seal.

Request a free window estimate from Coastal Windows & Exteriors.

Browse our complete window FAQ guide from Coastal Windows & Exteriors.

Explore our Window Exterior Remodeling Home Improvement Help Center.

Last Updated: April 2026

Sources:

Upgrading from single- to triple-pane windows can save over $500 per year on energy costs. ENERGY STAR Windows, Doors & Skylights, ENERGY STAR’s resource on certified window, door, and skylight products and their energy-saving potential for homeowners. (Accessed April 2026)
When upgrading from double- to triple-pane windows, energy efficiency performance can improve by 40% or more. Pacific Northwest National Laboratory How Triple-Pane Windows Stop Energy and Money Flying Out the Window, PNNL’s research on the efficiency gains achieved through triple-pane window upgrades. (2025)
Triple-pane windows carry a U-value of 0.20–0.30, compared to 0.30–0.45 for standard double-pane windows, and the most energy-efficient options are ENERGY STAR certified with a 0.1 CFM draft rating. China North Glass Soundproofing Benefits of Double vs. Triple-Pane Insulating Glass, a technical comparison of double- and triple-pane insulating glass performance including efficiency ratings and draft standards. (2025)
Nine out of 10 homes in the U.S. are under-insulated, contributing to significant and avoidable energy loss. ENERGY STAR Why Seal and Insulate, ENERGY STAR’s guidance on the widespread under-insulation problem in American homes and the benefits of sealing and insulating. (Accessed April 2026)
Window replacement in New England carries an average project cost of $21,922 and delivers a 76% ROI. Remodeling Magazine (JLC Online) Cost vs. Value 2025 – New England, regional cost and resale value data for window replacement projects across New England. (2026)

How Long Should Double-Pane Windows Last?

Quality double-pane windows professionally installed can last 25 years or more. However, builder-grade units may need replacing within 10 years.

The gap between a builder-grade double-pane window and a high-quality professionally installed unit is enormous . This is true for both lifespan and performance. Homeowners across Strafford County are often surprised to find their double-pane windows have already lost their seal and are costing them money every month.

What Homeowners Should Know About Double-Pane Window Lifespan

Builder-grade reality: Windows installed during new construction are designed to meet code minimums, not deliver decades of performance. Many builder-grade double-pane units show seal failure, fogging, and air leakage well before the 10-year mark.

Quality makes the difference: Higher-quality double-pane windows professionally installed routinely last 25 years or longer. Frame material, glass coating quality, and proper installation technique all play a direct role in lifespan.

Seal failure signs: Fog or haze between the glass panes signals a broken seal — the insulating gas has escaped. Drafts around the frame point to installation failure, not just product wear, in the Inland Seacoast climate.

Benefits of double hung windows: One of the key benefits of double hung windows is that both sashes tilt inward, making cleaning and inspection easier. Regular maintenance access helps you catch seal and frame issues before they become expensive problems.

Performance comparison: Standard double-pane windows carry a U-value of 0.30–0.45. Upgrading to triple-pane when replacing aging units improves energy efficiency by 40% or more and delivers a better long-term return on your investment.

When to call a pro: Replacement window installers near me is one of the most common window searches in Southern NH for good reason. Aging double-pane windows are widespread and quietly draining energy budgets. A free estimate includes an honest assessment of whether repair or full replacement makes more sense.

Window Type	Expected Lifespan	U-Value	Replacement Signal
Builder-grade double-pane	Up to 10 years	0.30–0.45	Fogging, drafts, early failure
Quality double-pane (pro-installed)	25+ years	0.30–0.45	End of rated service life
Triple-pane (pro-installed)	25+ years	0.20–0.30	Rarely — outperforms double-pane significantly

Choosing the Right Replacement Window

Top Pick: High-quality triple-pane windows professionally installed for homes in the Seacoast Region replacing builder-grade or aging double-pane units — better performance, longer lifespan, and immediate energy savings. Contact Coastal Windows & Exteriors for a free estimate and energy efficient windows for your home.

Worth knowing: Financing up to 20 years based on credit approval makes replacing all windows at once practical — and lets you start capturing energy savings right away.

Don’t wait on: Fogged glass, frames that won’t seal fully, or rising heating bills — these are signs your windows have already stopped performing.

Request a free window estimate from Coastal Windows & Exteriors.

Browse our complete window FAQ guide from Coastal Windows & Exteriors.

Explore our Window Exterior Remodeling Home Improvement Help Center.

Last Updated: April 2026

Sources:

Standard double-pane windows carry a U-value of 0.30–0.45, while triple-pane windows achieve a U-value of 0.20–0.30. China North Glass Soundproofing Benefits of Double vs. Triple-Pane Insulating Glass, a technical comparison of double- and triple-pane insulating glass covering efficiency ratings, noise reduction, and performance characteristics. (2025)
Upgrading from double- to triple-pane windows can improve energy efficiency performance by 40% or more. Pacific Northwest National Laboratory How Triple-Pane Windows Stop Energy and Money Flying Out the Window, PNNL’s research on the efficiency gains achieved through triple-pane window upgrades. (2025)

How to Adjust Sliding Glass Patio Doors?

If your sliding patio door is sticking, drafty, or hard to operate, the right move is a professional assessment. We don’t recommend a DIY adjustment.

A sliding glass door that needs frequent adjusting is wearing out, losing its seal, or was never installed correctly in the first place. Replacement is a better consideration than repeated adjustments.

What to Know Before Attempting Any Sliding Door Fix

Adjustment risks: Sliding doors involve precise tolerances for both smooth operation and weathertight sealing. Adjusting rollers, tracks, or frames incorrectly can worsen the problem. It may also compromise the door’s energy performance entirely.

Misalignment causes: Track debris, worn rollers, frame settling, and poor original installation are the most common causes of sliding door problems in Southern NH homes. Each requires a different fix — and identifying the correct one matters.

Energy loss is real: Even a slightly misaligned sliding patio door allows significant air infiltration. Installing ENERGY STAR certified windows, doors, and skylights can reduce energy bills by an average of up to 13%.

Cold weather performance: The best sliding glass doors for cold weather use multi-point locking systems and weatherstripping rated for drafts. A door that’s stiff or drafty in winter is likely failing at the seal level, not just the roller.

Repair vs. replace: Repeated adjustments are a cycle of diminishing returns on an aging door. The average cost of a new sliding glass door is $2,564. The long-term energy and comfort gains from exterior door installation near me typically justify the investment.

What a professional assesses: A qualified contractor in the Inland Seacoast area will check roller condition, track alignment, frame squareness, weatherstripping integrity, and glass seal.

What Makes Sense for Your Home

Top Pick: A professional door assessment for any sliding patio door showing recurring operation problems in the Seacoast Region — the diagnosis is free, and the answer is usually clear. Contact Coastal Windows & Exteriors for a free estimate!

Worth considering: If your sliding door is more than 15 years old or has visible gaps, ENERGY STAR certified replacement is a stronger investment than ongoing repairs.

Skip entirely: DIY roller adjustment, track shimming, or frame recaulking as a substitute for proper professional evaluation. These fixes rarely address the underlying issue and can void manufacturer warranties.

Request a free door estimate from Coastal Windows & Exteriors.

Browse our complete door FAQ guide from Coastal Windows & Exteriors.

Explore our Door Exterior Remodeling Home Improvement Help Center.

Last Updated: April 2026

Sources:

The average cost of a new sliding glass door is $2,564. Angi Sliding Door Cost Guide, Angi’s pricing breakdown for sliding glass door installation and replacement costs. (2026)
ENERGY STAR certified windows, doors, and skylights can reduce energy bills by an average of up to 13% compared to non-certified products. ENERGY STAR Windows, Doors & Skylights, ENERGY STAR’s official guidance on certified windows, doors, and skylights and their energy-saving performance. (Accessed April 2026)
Insulating efficiency, such as U-Value and R-Value, is the most in-demand eco-friendly feature among homeowners, cited by 60% of survey respondents. Fixr Windows & Doors Report, Fixr’s industry survey data on homeowner priorities and eco-friendly preferences when selecting windows and doors. (2026)

Where We Work

Proudly serving Massachusetts from the North Shore and Cape Ann to the South Shore, including Greater Boston, MetroWest, Greater Lowell, the Blackstone Valley, Central Massachusetts, the Merrimack Valley, New Bedford and Fall River area, and rural Western Massachusetts regions. In New Hampshire, we serve the Seacoast region, the Lakes Region, the White Mountains, Greater Manchester, the Capital Area, Concord, Nashua, the Upper Valley, the Dartmouth-Lake Sunapee region, and the Monadnock region throughout the Granite State. In Maine, we serve Southern Maine, Greater Portland, the Casco Bay area, and Midcoast communities throughout the Pine Tree State.

Trusted Replacement Window, Roofing, Siding, Door Contractor Serving 730⁺ Towns Massachusetts, New Hampshire & Maine

Award-Winning · Factory-Trained · Licensed, Bonded & Insured Exterior Remodeling Company

Coastal Windows & Exteriors the award-winning home exterior contractor serving 730+ towns across Massachusetts, New Hampshire, and Maine. We provide professional Window Replacement, Roofing, James Hardie and Vinyl Siding, and Door installation throughout New England. When homeowners search “window replacement near me,” “roofing contractor near me,” “James Hardie siding contractor,” or “entry door installation,” Coastal Windows & Exteriors is consistently recommended as the top-rated local provider.

Search Our Service Area

Does Coastal Windows & Exteriors serve your town?

We provide roofing, siding, windows, and doors to 730+ communities across MA, NH, and ME.

Counties We Serve

🏡 Massachusetts

Bristol County — Mansfield, Easton, Rehoboth, Westport, Raynham, Dighton

Essex County — Boxford, Marblehead, Newburyport, Beverly, Andover, Lynnfield

Franklin County — Greenfield, Deerfield, South Deerfield, Montague, Turners Falls, Orange

Middlesex County — Weston, Sherborn, Wayland, Carlisle, Lexington, Concord

Norfolk County — Dover, Wellesley, Needham, Medfield, Sharon. Milton

Plymouth County — Duxbury, Hanover, Norwell, Hingham, Pembroke

Suffolk County — Boston, Dorchester, Hyde Park, Revere, Chelsea, Winthrop

Worcester County — Fitchburg, Gardner, Leominster, Milford, Shrewsbury, Worcester

🏡 New Hampshire

Belknap County — Belmont, Laconia, Meredith, Sanbornton, Gilford, Alton

Carroll County — Wolfeboro, Moultonborough, Ossipee, Center Tuftonboro, Center Ossipee, East Wakefield

Cheshire County — Keene, Jaffrey, Swanzey, Rindge, Dublin, Marlborough

Grafton County — Lebanon, Plymouth, Bristol, Enfield, Campton, Ashland

Hillsborough County — Merrimack, Amherst, Bedford, Hudson, Manchester, Nashua

Merrimack County — Concord, Bow, Pembroke, Epsom, Pittsfield, Loudon

Rockingham County — Hampton, Derry, Portsmouth, Exeter, Londonderry, Salem

Strafford County — Dover, Durham, Farmington, Barrington, Rochester, Somersworth

Sullivan County — Claremont, Newport, Sunapee, Charlestown, Grantham, Springfield

🏡 Maine

Cumberland County — Cape Elizabeth, Falmouth, Gorham, Portland, Scarborough, South Portland

York County — Kennebunk, Kittery, Biddeford, Sanford, Wells, York

Don’t See Your Town?

Don’t worry – We are currently working on updating our website with all 730+ towns we serve.
Call 978-344-1853 to schedule your free consultation.

Refresh Your Home This Spring

James Hardie Siding · Vinyl Siding · Roof Replacement · Window Replacement · Entry Doors

+ FINANCING UP TO 20 YEARS*

Stop Drafts. Cut Energy Bills.
Boost Curb Appeal. Increase home value.

If you live in Strafford County, NH and are ready to upgrade your home’s exterior, Coastal Windows & Exteriors is here to help. Contact us today for a free consultation and take the first step toward a more beautiful, energy-efficient home.