Siding Installation & Replacement in Roslyn, NY
40 Years of Experience
Certified Professionals
Superior Workmanship with Proven Reputation
Stress-Free Process
Thermo-Seal Windows, Siding & Roofing, Inc.
Siding in Roslyn That Preserves Character While Enhancing Protection
Need siding installation in Roslyn, NY? Thermo-Seal has been transforming homes across Nassau County for over four decades with premium siding solutions that match Roslyn’s historic charm and demanding climate. Whether you're near the Roslyn Viaduct or tucked into Roslyn Heights, our siding options elevate curb appeal while providing lasting protection.
Every project is handled by our own factory-trained, full-time crew—no subcontractors involved—so you can trust the craftsmanship from start to finish. If your current siding is deteriorating, inefficient, or fading, we install siding in Roslyn that delivers strength, efficiency, and style.
Thermo-Seal Exterior Remodeling
Full-Service Siding Installation in Roslyn for All-Season Durability
Roslyn homes experience all types of Northeast weather—from frigid winters to hot, humid summers. That’s why we install high-performance siding from top brands like James Hardie, designed to resist weathering while maintaining visual appeal and efficiency.
✔ Installed by certified, in-house professionals
✔ Built to withstand Roslyn’s seasonal weather and salt air
✔ Available in styles and textures to complement both historic and modern homes
Why Roslyn Homeowners Trust Thermo-Seal for Siding
With over 20,000 exterior projects completed since 1985, Thermo-Seal has become a reliable name in Roslyn for expert siding installation. Homeowners choose us for dependable service, quality products, and detailed workmanship.
Why Roslyn residents rely on Thermo-Seal:
✔ James Hardie Certified – Specialists in advanced fiber cement siding systems
✔ No Subcontractors – Every project is completed by our own trained team
✔ A+ BBB Rating – Trusted throughout Roslyn and beyond
✔ Weather-Resistant Materials – Built to resist rot, moisture, and fading
✔ Energy Efficiency – Improves insulation and comfort inside your home
From Roslyn Harbor to Flower Hill, we provide Roslyn siding solutions that are tailored to fit your home and local conditions.


Siding in Roslyn That Solves Everyday Home Exterior Challenges
Aged or failing siding isn’t just an eyesore—it can let in moisture, increase energy use, and demand constant upkeep. Thermo-Seal installs siding in Roslyn that eliminates those problems with modern, resilient solutions.
✔ Cracked or Warped Panels? Choose materials designed for longevity and low maintenance
✔ Energy Loss? Insulated siding helps keep your home comfortable year-round
✔ Frequent Painting or Repairs? Our siding holds color and resists wear
✔ Storm and Weather Damage? Durable products that stand up to Long Island weather
Thermo-Seal’s siding installation in Roslyn strengthens your home’s defenses while improving its appearance—season after season.
Schedule Your Free Estimate Today
Ready to transform your home’s exterior with expert remodeling that lasts? Contact Thermo-Seal today for a free in-home estimate and experience why thousands of homeowners across New York and Connecticut trust us for windows, siding, roofing, doors, and more.
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Contact Info.
Phone Number:
Email Address:
Showroom:
456 Sunrise Highway, Rockville Center NY 11570 - (516) 689-7214
Rye Corporate Office:
411 Theodore Fremd Avenue, Rye NY 10580 - (914) 635-3748
Stamford Office:
263 Tresser Blvd., Stamford, CT 06901 - (203) 990-1812
Melville Office:
68 South Service Road., Melville NY 11747 - (631) 710-6937
CLIENT REVIEWS
What Our Clients Are Saying About Us
Thermo-seal Windows provides exceptional customer service alongside high-quality products. Recently, I had the majority of my home's windows replaced by Aaron's team, and their performance was nothing short of impressive. They arrived on time, maintained a tidy work area, and dedicated themselves to ensuring a perfect installation of the windows.
Aaron and his team were amazing, from start to finish! They worked with us every step of the way and Aaron was always just a call or text away to answer any questions we had. The windows are perfect and we love them. We highly recommend working with Aaron and his team. They are professional, courteous and their work is top notch!
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