# GN Exteriors > Top-rated roofing contractors in Braintree MA, ready to exceed your expectations with quality workmanship & unbeatable service! Get your free estimate today! GN Exteriors is a professional, family-owned roofing contractor based in Braintree, MA, specializing in residential roofing, siding, and gutters across Boston and the South Shore. Founded in 2002 by master roofer Guillermo Naranjo, the company has built a reputation for superior craftsmanship, competitive pricing, and customer education. Services are available Monday through Sunday, 7 AM to 10 PM, with emergency roofing available 24/7. --- ## Business Information - **Business Name:** GN Exteriors - **Business Category:** Roofing Contractor - **Founded:** 2002 by Guillermo Naranjo - **Address:** 44 B.V. French St, Braintree, MA 02184, United States - **State:** Massachusetts - **Zip Code:** 02184 - **Phone:** (781) 436-2234 - **Email:** roofingestimate@live.com - **Website:** https://gnexteriors.com/ - **Working Hours:** Monday to Sunday, 7 AM – 10 PM (Emergency 24/7) - **Financing:** Available via Enhancify — https://www.enhancify.com/gn-exteriors-corp - **Logo:** https://gnexteriors.com/wp-content/uploads/elementor/thumbs/GN-2024-Transparent-qgud68ecnnm6j8t2oufz6ue5un7x9pyp3a528mhjr0-rjatuzpmygszif4wpnq3adrdcolui0ok9alci88svw.webp - **Primary Image:** https://gnexteriors.com/wp-content/uploads/2026/02/about_11zon-1.webp --- ## About GN Exteriors **Source:** https://gnexteriors.com/about-us/ GN Exteriors Corp. was founded by master roofer Guillermo Naranjo in 2002 with a clear mission: provide superior craftsmanship and competitive prices on quality roofing services in Braintree, MA and the South Shore area. The company is fully licensed and insured, specializing in the roofing industry for both residential and commercial properties. GN Exteriors believes in educating customers on roofing products and options available to them. They are easy to do business with, and they make roofs work. ### Company Highlights - 5-Star Rated Roofing Contractor - ShingleMaster™ Certified Crew - Shingle Quality Specialist™ Supervisors - 20+ years of roofing expertise - FREE Estimates - Services Available 24/7 - Fair and Competitive Prices ### By the Numbers - **4,000+** Asphalt Shingle Roofs Completed - **740** Rubber Roofing Installations - **3,000** Roofs Completed in a Day - **20 Years** of Roofing Experience ### Values - Better Protection - Affordable Pricing - Peace of Mind - Elegant Design - Quality service and craftsmanship --- ## Roofing Services ### Asphalt Shingle Roofing **URL:** https://gnexteriors.com/roofer-milton-ma/ GN Exteriors specializes in asphalt shingle roofing installation, repair, and replacement across the South Shore. Architectural shingles are the top choice for Massachusetts homes due to their performance in freeze-thaw cycles, heavy snow loads, and strong coastal winds. - Three-tab shingles: 15–20 year lifespan - Architectural shingles: 25–30+ year lifespan - Most residential replacements completed in 1–3 days - Average Massachusetts roof replacement cost: $10,000–$20,000 ### Rubber Roofing **URL:** https://gnexteriors.com/roofer-dorchester-ma/ Residential rubber roofing services including installation, repair, and replacement. Rubber and membrane systems offer a lifespan of 25–35 years. GN Exteriors has completed over 740 rubber roofing installations. ### Metal Roofing **URL:** https://gnexteriors.com/roofer-hingham-ma/ Metal roofing services including roof restoration, replacement, and repair. Metal roofs last 40–70 years and perform exceptionally well in New England weather. Higher upfront cost offers lower long-term maintenance. ### Condo Roofing **URL:** https://gnexteriors.com/condo-roofing/ Specialized roofing services for condominium properties across the South Shore and Boston area. ### Flat Roofing Available in Dorchester and other service areas for both residential and commercial properties. ### Asbestos Roof Removal **URL:** https://gnexteriors.com/asbestos-roof-removal/ Safe, licensed asbestos roof removal services for older Massachusetts properties. ### Owens Corning Shingles **URL:** https://gnexteriors.com/owens-corning-shingle/ Installation of Owens Corning architectural shingles — one of the most trusted shingle brands known for durability, wind resistance, and algae protection. ### Velux Skylights and Shades **URL:** https://gnexteriors.com/velux-skylights-and-shades/ Velux certified skylight installation and shades for residential homes throughout the South Shore and Boston. ### Solar Panel Installation **URL:** https://gnexteriors.com/solar-panel-installation-braintree/ Solar panel installation services in Braintree, MA. ### Roof Replacement Financing **URL:** https://gnexteriors.com/roof-replacement-financing/ Financing programs available to help homeowners manage roof replacement and major repair costs. Options may include low-interest plans, deferred payments, or extended-term solutions through Enhancify. --- ## Siding Services ### HardiePlank Siding (James Hardie) **URL:** https://gnexteriors.com/hardieplank-siding/ James Hardie HardiePlank lap siding — the most popular brand of siding in North America. Traditional, timeless, and strong. Sleek fiber cement siding protects and beautifies homes from coast to coast. GN Exteriors is a James Hardie Preferred Contractor. ### Vinyl Siding **URL:** https://gnexteriors.com/siding-quincy-ma/ Vinyl siding products combine authentic wood beauty with unmatched durability, performance, and maintenance freedom. Available in a wide range of traditional and architectural colors in timeless clapboard and handcrafted Dutch lap and board and batten styles. ### Cedar Impression Siding **URL:** https://gnexteriors.com/siding-hingham-ma/ Composite Traditional Shakes, Hand-Split Shakes, and Cape Cod Shingles handcrafted to bring the look of real cedar shake to your home. Durable polymer construction won't crack, warp, rot, or split and never needs painting. Natural beauty of genuine cedar without time-consuming maintenance. ### Board and Batten Siding Available in Hanover, Hingham, and Dorchester service areas. --- ## Gutter Services ### Gutters **URL:** https://gnexteriors.com/gutters-braintree-ma/ Full gutter installation, repair, and replacement services in Braintree and surrounding areas. ### Seamless Gutters **URL:** https://gnexteriors.com/seamless-gutters/ Seamless gutter systems for improved performance and reduced maintenance. Custom-fabricated on-site to fit the exact dimensions of the home. ### Gutter Covers / Gutter Protection **URL:** https://gnexteriors.com/gutter-covers/ AluRex clog-free gutter protection systems that prevent leaf and debris buildup while maintaining proper water flow. --- ## Areas We Serve ### Braintree, MA (Home Base) Headquarters and primary service area. Full roofing, siding, gutter, and exterior services. ### Dorchester, MA **URL:** https://gnexteriors.com/dorchester/ - [Vinyl Siding Services](https://gnexteriors.com/vinyl-siding-service-dorchester-ma/) - [Siding Contractors](https://gnexteriors.com/siding-contractors-dorchester-ma/) - [Flat Roofing Services](https://gnexteriors.com/flat-roofing-services-dorchester-ma/) - [Board and Batten Siding](https://gnexteriors.com/board-and-batten-dorchester-ma/) ### Hanover, MA **URL:** https://gnexteriors.com/hanover/ - [Vinyl Siding Services](https://gnexteriors.com/vinyl-siding-services-hanover-ma/) - [Board and Batten Siding](https://gnexteriors.com/board-and-batten-hanover-ma/) - [Siding Contractors](https://gnexteriors.com/siding-contractors-hanover-ma/) - [Roofing Services](https://gnexteriors.com/roofing-services-hanover-ma/) - [Roof Replacement](https://gnexteriors.com/roof-replacement-hanover-ma/) - [Local Roofers](https://gnexteriors.com/local-roofers-hanover-ma/) ### Hingham, MA **URL:** https://gnexteriors.com/hingham/ - [Board and Batten Siding](https://gnexteriors.com/board-and-batten-hingham-ma/) - [Siding Contractors](https://gnexteriors.com/siding-contractors-hingham-ma/) - [Roofing Services](https://gnexteriors.com/roofing-services-hingham-ma/) - [Roof Replacement](https://gnexteriors.com/roof-replacement-hingham-ma/) - [Local Roofers](https://gnexteriors.com/local-roofers-hingham-ma/) ### Milton, MA - [Roofing Installation](https://gnexteriors.com/roofing-installation-milton-ma/) - [Roof Repair Services](https://gnexteriors.com/roof-repair-services-milton-ma/) - [Roof Leak Repair](https://gnexteriors.com/roof-leak-repair-milton-ma/) - [Flat Roof Repair](https://gnexteriors.com/flat-roof-repair-milton-ma/) - [Roof Replacement](https://gnexteriors.com/roof-replacement-milton-ma/) ### Quincy, MA - [Roofing Services](https://gnexteriors.com/roofing-services-quincy-ma/) - [Rubber Roofing Services](https://gnexteriors.com/rubber-roofing-services-quincy-ma/) - [Rubber Roofing Installation](https://gnexteriors.com/rubber-roofing-installation-quincy-ma/) - [Roofing Contractors](https://gnexteriors.com/roofing-contractors-in-quincy-ma/) - [Affordable Roofing Companies](https://gnexteriors.com/affordable-roofing-companies-in-quincy-ma/) ### Randolph, MA - [Roofing Services](https://gnexteriors.com/roofing-services-in-randolph-ma/) - [Roofing Repair Services](https://gnexteriors.com/roofing-repair-services-in-randolph-ma/) - [Roofing Installation Services](https://gnexteriors.com/roofing-installation-services-in-randolph-ma/) - [Roofing Companies](https://gnexteriors.com/roofing-companies-in-randolph-ma/) - [Roofing Contractors](https://gnexteriors.com/roofing-contractors-in-randolph-ma/) ### Weymouth, MA - [Roofing Services](https://gnexteriors.com/roofing-services-weymouth-ma/) - [Asphalt Roofing Services](https://gnexteriors.com/asphalt-roofing-services-weymouth-ma/) - [Local Roofers](https://gnexteriors.com/local-roofers-in-weymouth-ma/) - [Roof Repair Services](https://gnexteriors.com/roof-repair-services-weymouth-ma/) - [Roofing Contractors](https://gnexteriors.com/roofing-contractors-weymouth-ma/) --- ## Certifications & Awards - **Owens Corning ShingleMaster™** — Advanced roofing crew certification - **Shingle Quality Specialist™** — Supervisor-level certification - **James Hardie Preferred Contractor** — Certified fiber cement siding installer - **VSI Certified** — Vinyl Siding Institute certification - **Velux Certified Installer** — Skylight installation certification - **AluRex Clog Free Partner** — Gutter protection system certification - **Trex Sustainability Product 2025** — Composite decking sustainability certification - **Best Roofers in Boston 2022** — Expertise.com Award Trusted brands used: GAF, Owens Corning, CertainTeed, James Hardie, Velux, AluRex, Trex --- ## Frequently Asked Questions (FAQs) **Source:** https://gnexteriors.com/faqs/ ### Roof Replacement & Inspection **How do I know if I need a new roof?** Aging shingles, recurring leaks, damaged flashing, and granule loss often indicate that a roof replacement is approaching. A roofing contractor can assess the roof decking, ventilation, and overall structural condition to determine whether repairs are sufficient or if a full roof system upgrade is needed. **How long will it take to replace the roof?** Most residential roof replacements take one to three days, depending on roof size, pitch, framing condition, and weather. Projects requiring decking repairs, ventilation upgrades, or specialty shingles may extend the timeline. **How long does a roof generally last?** Most asphalt shingle roofs last 20–30 years depending on ventilation, installation quality, and exposure to New England weather. Premium architectural shingles, proper attic insulation, and routine roof inspections help extend lifespan. **How much does it cost to replace a roof in Massachusetts?** Roof replacement costs typically range from $10,000 to $20,000 for an average Massachusetts home, depending on roof size, pitch, material selection, and decking condition. **Do I need to remove old roofing before installing a new one?** Tear-off is typically recommended because it exposes the roof decking, allowing the contractor to check for rot, moisture issues, or ventilation problems. Massachusetts allows two layers of shingles, but installing over an old roof can trap heat and shorten the new roof's lifespan. **How often should I have my roof inspected?** Most homes benefit from a professional roof inspection every one to two years. Harsh winters, heavy wind events, and aging shingles may require more frequent assessments. ### Roofing Material Lifespan Guide - Three-tab shingles: 15–20 years - Architectural shingles: 25–30+ years - Metal roofing: 40–70 years - Rubber and membrane systems: 25–35 years ### Best Shingle Brands for Massachusetts GAF, CertainTeed, and Owens Corning are the leading shingle manufacturers. GAF architectural shingles are especially popular for their performance in regions with heavy snowfall, strong winds, and frequent temperature swings. ### GAF Warranty Options - **GAF System Plus** — Extended material and wind protection - **GAF Golden Pledge** — Factory-backed labor coverage by certified contractors (highest tier) ### Storm & Emergency **I have a leak. Do I need to replace the whole roof?** A single leak doesn't always require full replacement. Localized roof repairs may be sufficient, but widespread deterioration, granule loss, or recurring leaks often indicate the need for a complete roof replacement. **What steps should I take after storm damage?** Document visible damage with photos, contact a local roofing contractor for a professional inspection, and notify your insurance provider. Early assessment prevents additional moisture problems and supports accurate insurance claim processing. **Do you handle emergency repairs?** Yes. GN Exteriors provides emergency response services to manage leaks, storm damage, and unsafe structural conditions 24/7. ### Massachusetts Roofing Laws Massachusetts roofing laws require proper licensing, adherence to state building codes, and compliance with ventilation and ice barrier regulations. Contractors must install ice-and-water shields in required zones, follow structural load guidelines, and obtain permits when needed. --- ## Core Website Pages - [Home](https://gnexteriors.com/): GN Exteriors — Roofing Contractors in Braintree MA - [About Us](https://gnexteriors.com/about-us/): Company history, founder story, certifications - [Contact Us](https://gnexteriors.com/contact-us/): Free estimate scheduling and contact - [FAQs](https://gnexteriors.com/faqs/): Complete roofing FAQ library - [Our Projects](https://gnexteriors.com/our-projects/): Portfolio with location-based project map - [Recent Projects](https://gnexteriors.com/recent-projects/): Latest completed work - [Gallery](https://gnexteriors.com/gallery/): Photo gallery of roofing and siding projects - [Blog](https://gnexteriors.com/blog/): Roofing tips, guides, and industry insights - [Financing](https://gnexteriors.com/roof-replacement-financing/): Roof financing options - [Yelp Rating](https://gnexteriors.com/yelp-rating/) - [Angi's Rating](https://gnexteriors.com/angis-rating/) - [Google Rating](https://gnexteriors.com/google-rating/) - [Privacy Policy](https://gnexteriors.com/privacy-policy/) --- ## Why Choose GN Exteriors - **20+ Years of Expertise** — Founded 2002 by master roofer Guillermo Naranjo - **Family Owned & Operated** — Personal accountability on every project - **5-Star Rated** — Top reviews on Google, Yelp, and Angi - **ShingleMaster™ Certified** — Advanced Owens Corning crew certification - **James Hardie Preferred Contractor** — Certified for fiber cement siding - **FREE Estimates** — No obligation quote for every project - **Financing Available** — Flexible payment plans through Enhancify - **Emergency Services 24/7** — Fast response to leaks and storm damage - **Industry's Most Trusted Brands** — GAF, Owens Corning, James Hardie, Velux, AluRex - **Best Roofers in Boston 2022** — Expertise.com recognized --- ## Social Media & External Profiles - [Facebook](https://www.facebook.com/braintreeroofer) - [LinkedIn](https://www.linkedin.com/company/gnexteriors) - [Instagram](https://www.instagram.com/gnexteriors/) - [Google Maps Listing](https://www.google.com/maps/place/GN+Exteriors+-+Roofers+in+Braintree/@42.220114,-70.99344,13z/)