Home Roofing Contractor Serving NH & MA
Your Trusted Local Residential Roofers
Whether you need a new or replacement roof, you can count on the expert roofers at Exteriors Unlimited. Licensed and insured in New Hampshire and Massachusetts, we hold the highest-level certifications from leading manufacturers, including GAF, CertainTeed, and Owens Corning. All of our roofing systems are installed with the highest level of craftsmanship and are backed by the industry’s best warranties. We offer the top 3 Roofing systems all with a 50-year warranty.
Asphalt Shingle Roofing Installation – Affordable, Durable & Reliable
Available in a range of colors and styles, asphalt shingles are a common residential roofing option. With proper maintenance, they will beautify and protect your home for years to come, offering a practical and budget-friendly roofing solution.
Metal Roofing Installation – Exceptional Durability in NE Winters
Standing seam metal roofing is known for its exceptional durability and sleek, modern appearance. Constructed with interlocking vertical panels, it resists cracking, shrinking, and erosion, and can last several decades with minimal maintenance.
Rubber Roofing (EPDM) Installation – Perfect for flat or low-slope roofs
EPDM (ethylene propylene diene monomer) is a lightweight, water-tight rubber membrane for flat or low-slope roofs. It is resistant to water, UV rays, and temperature fluctuations, making it a cost-effective and durable roofing solution.
Our Services:
How do you know if you need a new roof?
If your home is over 25 years old or exhibiting one or more of the following signs, it may be time for a replacement:
Buckling, Curling, or Missing Shingles
Significant Shingle Granule Loss
Sagging and Rotting
Extensive Moss or Algae Growth
Water Stains on Your Ceiling or Walls
Daytime Lightholes in Your Attic
The best way to know if you need to repair or replace your roof is to schedule a roof inspection with our expert team. Click below to book your no-obligation appointment.
CertainTeed: Landmark roofing shingles provide durability and aesthetics. They feature Class A fire resistance, with a dual-layer design and the widest array of colors in the industry.
Landmark Pro roofing shingles are designed to provide excellent protection against the elements, with an Underwriters Laboratories Class A fire resistance rating, making them a top choice for homeowners who prioritize safety. The shingles' heavy weight and unique design provide added resistance against weather damage and algae, making them a reliable option for homeowners looking for a long-lasting roofing solution.Warranty
Lifetime limited transferable warranty 30-year StreakFighter® algae-resistance warranty 10-year SureStart™ protection 15-year 110 mph wind-resistance warranty Wind warranty upgrade to 160 mph available. CertainTeed starter and CertainTeed hip and ridge required.GAF: Timberline HDZ roofing Shingles Built without compromise, Timberline HDZ® Shingles offer industry-first technologies and powerful warranties. Plus, they provide two distinct color collections (US only), delivering unrivaled beauty that demands a second look.
These rich palettes feature revolutionary GAF Time-Release Algae-Fighting Technology to help protect against blue-green algae stains, backed by a 25-year StainGuard Plus™ Algae Protection Limited Warranty.* They’re even eligible for the WindProven™ Limited Wind Warranty‡ with no wind speed limit when installed with four required accessories.
Timberline UHDZ® with UltraMat™ For homeowners ready to go beyond their expectations, we offer Timberline UHDZ® Shingles — the premium laminate shingle from GAF. The patented Dual Shadow Line creates dramatic sunset shadows all day long. UltraMat™ high-performance fiberglass mat technology enhances the shingle at its core and achieves UL 2218 Class 4 impact-resistance rating.1 Time-release algae-fighting technology helps unlock a 30-year StainGuard Plus PRO™ Limited Warranty against blue-green algae discoloration.
Owens Corning: Duration When you want the ultimate protection and impressive curb appeal, you’ll want Duration® Shingles. They are specially formulated on a TruDefinition® color platform that gives them dramatic color contrast and dimension in a wide range of popular colors. Beyond the great look, Duration® Shingles are Rated Class 3 for Impact Resistance and come with the advanced performance of patented SureNail® Technology—with Triple Layer Protection® in the nailing zone for superior holding power. We proved it in testing. Owens Corning® Roofing offers one of the best warranties in the industry. For added peace of mind, we make it fast and easy to learn about and compare our different roofing warranties, so you can find the best coverage option for your home.CertainTeed:
WinterGuard® Granular, Sand and Sand X waterproofing shingle underlayments are designed for use on roof decks as a waterproofing barrier beneath shingle, slate and tile roofs. It seals around nails and is part of the CertainTeed Integrity Roof System®, delivering top-notch performance. Finishes include granular or sand. WinterGuard products availability varies by region.
WinterGuard® PRO is an advanced waterproofing underlayment for shingle, metal, slate and tile roofs. It is specifically formulated to resist high roof temperatures under metal roofs. Winterguard PRO is most commonly used in critical areas such as roof eaves, valleys, and as a waterproofing underlayment for low-slope shingle, metal, slate, tile and mechanically-fastened tile roofing applications.
WinterGuard is one of the key components in the CertainTeed Integrity Roof System® which is comprised of underlayments, shingles, accessory products and ventilation all working together. The Integrity Roof System is designed to provide optimum performance-no matter the weather conditions.
Vycor® Ice & Water Shield® Self-adhered roofing underlayment is a premier membrane composed of two waterproofing materials—an aggressive rubberized asphalt adhesive backed by a layer of slip-resistant coated high-density cross-laminated polyethylene film.
Grace Ice & Water Shield was acquired by CertainTeed in September 2022
Warranty
WinterGuard is warranted against manufacturing defects and to remain watertight for the same period as the warranty duration carried by the shingles applied above it -- up to a maximum of 50 years.
GAF:
WeatherWatch® Mineral-Surfaced Leak Barrier is a key part of the GAF Lifetime† Roofing System. It's eligible for a Lifetime† Limited Warranty when installed with GAF Lifetime† shingles and at least two additional qualifying GAF accessories and may be eligible for residential enhanced warranty coverage1.
StormGuard® Film-Surfaced Leak Barrier
By creating an extra layer of protection at the certain areas of your asphalt shingle or metal roof (at the eaves and rakes, in valleys, around chimneys, etc.), StormGuard® Film-Surfaced Leak Barrier helps prevent leaks due to water backing up in your gutters, wind-driven rain, and in the North, damaging ice dams. StormGuard® Film-Surfaced Leak Barrier is a key part of the GAF Lifetime Roofing System.† It’s eligible for a Lifetime† ltd. warranty when installed with GAF Lifetime† Shingles and at least two additional qualifying GAF accessories and may be eligible for residential enhanced warranty coverage.1 It’s also covered by up to a 10-year ltd. warranty2 when used with other approved non-asphaltic roof coverings.
Owens Corning:
WeatherLock® G Granulated Self-Sealing Ice & Water Barrier allows for proper flow of water off the roof and helps prevent damage caused by water migration. Engineered for asphalt shingles, wood shakes and quarry slate roofs, WeatherLock® G Granulated also features
WeatherLock® Flex Flexible Self-Sealing Ice & Water Barrier provides excellent roof deck protection against water infiltration resulting from the freeze/thaw cycle, wind-driven rains and normal water flow around eaves, rakes, valleys, vents, chimneys and skylights.CertainTeed:
RoofRunner by CertainTeed is a durable and long-lasting synthetic roofing underlayment that provides superior protection to residential roofs. Its resistance to water, wind, ease of installation, slip-resistant surface, and durability make it a reliable and cost-effective choice for homeowners and contractors alike.
DiamondDeck® is a high-performance synthetic underlayment designed for residential roofing applications. It offers superior protection and durability, exceptional slip resistance, and water resistance. It's easy to install, cut, and size, and is an ideal choice for custom roof designs.
GAF:
FeltBuster® Synthetic Roofing Felt is a value-priced upgrade for typical asphalt felts that helps provide long lasting protection against wind-driven rain from infiltrating under your shingles. It’s a key part of the GAF Lifetime Roofing System1 and has even earned the Good Housekeeping Seal.2
Tiger Paw™ Premium Roof Deck Protection
Conventional organic felts can absorb moisture, causing buckling and wrinkling that can impact the look of your roof. Tiger Paw™ Premium Roof Deck Protection combines strength and long-term durability to help protect your home against wind-driven rain1. Tiger Paw™ Premium Roof Deck Protection is a key part of the GAF Lifetime Roofing System2 and has earned the Good Housekeeping Seal.3
Deck‑Armor™ Premium Breathable Roof Deck Protection
Conventional organic felts can absorb moisture, causing buckling and wrinkling that can impact the look of your roof. Deck-Armor™ Premium Breathable Roof Deck Protection combines strength and breathability to help protect your home against wind driven rain and trapped moisture. Deck-Armor™ Premium Breathable Roof Deck Protection is a key part of the GAF Lifetime Roofing System1 and has earned the Good Housekeeping Seal.2
Owens Corning:
DeckDefense®
Superior walkability, 1 wet or dry—that’s what DeckDefense® high-performance synthetic underlayment delivers. TruTread™ technology uses an innovative proprietary textured surface for better grip and traction than competitive premium synthetic underlayments, so even in the most demanding installations, you can walk the roof with confidence.
ProArmor®
Owens Corning® ProArmor® Synthetic Roof Underlayment with Fusion Back Coating Technology™ is strong, durable and repels water unlike 15 lb felt. It’s also light, easy to install and contributes to safe working conditions.CertainTeed:
SwiftStart®
CertainTeed Swiftstart® metric starter shingle is designed specifically for use with CertainTeed Landmark® Series shingles. Rather than cutting expensive field shingles to use as starters, you can save time and money by starting with Swiftstart.
GAF:
Pro‑Start® Starter Strip Shingles Cost-effective starter strip shingles with properly-positioned adhesive help resist shingle blow-off at eaves and rakes.
Owens Corning:
Starter Strip Plus Shingle helps save time by eliminating the need to cut shingles to create a starter row. Starter Strip Plus Shingle is packaged two pieces per shingle, and perforated down the center for easy separation.CertainTeed:
CertainTeed Ridge Vents seamlessly install at the roof peak, aiding exhaust ventilation along the entire roofline. With a low profile of less than an inch in height, these molded high-impact copolymer vents allow for shingle-over applications. This means they effortlessly integrate with any of CertainTeed’s shingles, enabling capping of the ridge with standard shingles or enhanced hip and ridge accessory shingles, ensuring a cohesive and polished appearance consistent with the rest of your roof.
GAF:
Cobra® Exhaust Vent for Roof Ridge
The original Cobra® roll ridge vent with nails allows heat/moisture to escape the attic. Available in 10.5" (266.7 mm), 8" (203 mm) and 11.75" (298 mm) widths
Cobra® SnowCountry® Advanced Premium Exhaust Vent for Roof Ridge
Premium filtered ridge vent with 3" (76 mm) ring shank nails allows heat/moisture to escape the attic. Available in 11.5" (292 mm) & 9" (229 mm) widths.
Owens Corning:
Rigid Roll Ridge Vent
When properly installed with soffit or eave vents, VentSure® Rigid Roll Ridge Vents meet or exceed requirements of all recognized national building codes. And they have passed all research and development tests** for weather infiltration:
VentSure®
4-Foot Strip
Heat & Moisture Ridge Vent
Proper ventilation helps prevent heat and moisture from building up in your attic. A cool and dry attic helps maintain the roof’s integrity, prevent leaks from ice dams, and supports a healthy, comfortable home year-round.
VentSure® 4-Foot Strip Ridge Vents work with intake ventilation to help improve airflow through the attic. They are flexible enough to conform to virtually any roof slope and provide a sturdy construction and design to help provide outstanding performance in all seasons.CertainTeed:
Shadow Ridge
CertainTeed's Shadow Ridge Hip & Ridge UL 2218 Class 4 Impact Resistant ridge cap shingle is the perfect choice for homeowners seeking both protection and beauty for their residential roofs. This premium accessory is crafted with high-quality materials, ensuring exceptional durability and wind resistance.
GAF:
Seal-A-Ridge® Ridge Cap Shingles
Add the perfect finishing touch for your new roof with a protective ridge cap shingle. Seal-A-Ridge® Protective Ridge Cap Shingles offer protection at high stress areas of your roof (the hips and ridges). Seal-A-Ridge® Ridge Cap Shingles are a key part of the GAF Lifetime Roofing System1 and have earned the Good Housekeeping Seal.2
TimberTex® Premium Ridge Cap Shingles
Add the perfect finishing touch to your new GAF shingle roof with premium, double-layer dimensional ridge cap shingles. TimberTex® Premium Ridge Cap Shingles help protect the roof's hips and ridges while elevating the finished look of your roof.
Owens Corning:
ProEdge® Hip & Ridge Shingles
Attention to detail matters. ProEdge® Hip & Ridge Shingles provide a clean and consistent look. Their enhanced aesthetics add distinction to your roof line.
DuraRidge® Hip & Ridge Shingles provide a bold, dramatic appearance along all with enhanced performance featuring our SureNail® Technology. DuraRidge® Hip & Ridge Shingles are color matched to the TruDefinition® Duration® and Oakridge® series shingles.Exteriors Unlimited, LLC is one of the only certified Green Roofers in the area. We take a pride in recycling 100% of our waste.
Exteriors Unlimited, LLC is a fully licensed roofing and siding company located in Nashua New Hampshire and Lowell Massachusetts serving Northern MA and Southern NH.
Roofing Systems
Additional Exterior Home Remodeling Services
As a full-service exterior home remodeling company, we offer everything you need to protect your home and boost its curb appeal. Click below to learn more about our other services.
Reviews
Service Area:
We proudly serve homeowners across New Hampshire and Massachusetts.
Andover
Billerica
Chelmsford
Dracut
Dunstable
Groton
Haverhill
Lawrence
Littleton
Lowell
Methuen
North Andover
Pepperell
Tewksbury
Tyngsborough
Westford
Wilmington
Amherst
Bedford
Brookline
Derry
Goffstown
Greenville
Hollis
Hudson
Litchfield
Londonderry
Manchester
Mason
Merrimack
Milford
Mont Vernon
New Boston
Pelham
Wilton
Windham
Please call us at 844-974-3464 if you don’t see your area listed.