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The Leading Home Remodeling Company in Roslyn, NY 

Are you searching for a home remodeling company that offers flawless workmanship and top-quality products? If so, now is the time to turn to Thermo-Seal Windows & Siding. Since 1985, we have served the Roslyn, New York, area with pride. When you partner with our skilled and experienced team, rest assured your home improvement project will be completed with unmatched attention to detail. We have a long list of satisfied customers, and we look forward to showing you why we are the company to call. 

What We Offer

We are a home remodeling company that can complete the following:

  • Replacement window installations – Our windows are available in various frame materials, colors, and styles. We also offer replacement windows that can be custom-built to your specifications. Additionally, our windows are energy-efficient, can reduce stress on your HVAC system, and may help lower your energy expenses. We also offer custom sliding glass doors and French doors that are constructed by our manufacturing partner, Harvey.  
  • Siding – We are a certified siding contractor for CertainTeed and James Hardie. These companies are known for crafting attractive, durable, and energy-efficient siding that homeowners love. 
  • Roofing – As a GAF Master Elite Certified contractor, we install industry-leading asphalt shingle roofing. During your roof replacement, we can also install gutters and gutter systems.
  • Doors – Our team has the know-how needed to install stunning, secure, and durable exterior doors. Our options include entry, storm, and patio doors. We also offer custom sliding glass doors and French doors that are constructed by our manufacturing partner, Harvey.  

As Roslyn’s premier home remodeling company, we can also enhance your space with wood and composite decks, additions, stonework, and more.  

Let’s Get Started

Turn to a home remodeling company you can trust and contact Thermo-Seal Windows & Siding today. Our team looks forward to discussing your project and providing a free virtual or in-person estimate for your Roslyn, NY, home.

We make clients happy.

We Make it Easy

With customer service and craftsmanship that’s second-to-none, we make it easy
to achieve the home of your dreams.
Free, No Hassle Estimates Schedule a free in-home or virtual estimate. We’re here to help!
High Quality Products We offer the best products available, including our own brand of replacement windows.
Satisfaction Guarantee Our job is not done until you’re completely satisfied.

We've got connections.

We're certified by the industry’s leading manufacturers to offer a wide range of top quality options. View Our Credentials

Thermo-Seal Windows Siding & Roofing, Inc. is an A+ Rated BBB Accredited Business serving Westchester County, Rockland County, Nassau County, Suffolk County and Fairfield County. We offer multiple locations throughout the Tri-State Area to better serve our customers.

456 Sunrise Highway
Rockville Center, NY 11570
(866) 281-4567
Melville Office
68 South Service Road
Melville, NY 11747
(866) 281-4567
Rye Corporate Office
411 Theodore Fremd Avenue
Rye, NY 10580
(914) 925-3443
Stamford Office
263 Tresser Blvd
Stamford, CT 06901
(203) 663-3534