Expert remodeling
Siding Installation & Replacement in Rockland County, NY
40 Years of Experience
Certified Professionals
Superior Workmanship with Proven Reputation
Stress-Free Process
Thermo-Seal Windows, Siding & Roofing, Inc.
Siding in Rockland County That Protects and Enhances Your Home
Need professional siding installation in Rockland County, NY? Thermo-Seal has been improving home exteriors across the Hudson Valley for more than 40 years. Whether you live in Pomona, Nanuet, or Valley Cottage, we offer siding solutions that boost curb appeal, reduce maintenance, and improve energy efficiency.
Every siding project is handled by our in-house, factory-trained crew—never subcontractors—ensuring expert workmanship from start to finish. If your siding is showing signs of age, cracking, or fading, we provide Rockland County homeowners with durable options designed for long-term performance and protection.
Thermo-Seal Exterior Remodeling
Full-Service Siding Installation in Rockland County That Stands Up to the Elements
Homes in Rockland County face seasonal weather extremes—from humid summers to icy winters. That’s why we install siding from trusted brands like James Hardie and leading vinyl options, built to handle New York’s climate with ease.
✔ Installed by full-time, trained professionals
✔ Designed for Rockland County’s year-round conditions
✔ Styles and colors that complement a wide range of home designs
Why Rockland County Homeowners Choose Thermo-Seal for Siding Replacement
With more than 20,000 projects completed since 1985, Thermo-Seal is a top choice for siding in Rockland County, NY. We focus on quality materials, reliable service, and results that stand the test of time.
Why homeowners in Rockland County choose Thermo-Seal:
✔ James Hardie Certified – Expert installers of fiber cement siding
✔ No Subcontractors – Only our in-house team works on your home
✔ A+ BBB Rating – Backed by strong customer reviews and decades of trust
✔ Built to Last – Siding that resists warping, rotting, and fading
✔ Increased Efficiency – Helps reduce energy bills and improve comfort
From Stony Point to Sparkill, Rockland County residents count on Thermo-Seal for siding that makes a difference—both visually and functionally.
Siding Replacement in Rockland County That Solves Exterior Problems
Replacing old siding is about more than looks—it’s a smart way to protect your home and solve everyday issues. Thermo-Seal installs siding in Rockland County that addresses common problems and improves your home’s performance.
✔ Cracked or Peeling Siding? Our materials are built to last
✔ Poor Insulation? Our siding enhances thermal performance year-round
✔ Water Damage? Choose moisture-resistant options that prevent rot and mold
✔ High Maintenance? Enjoy low-maintenance siding that keeps its color and shape
Thermo-Seal delivers siding in Rockland County that not only upgrades your home’s appearance, but also improves its function and longevity.
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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Service Area
Services We Offer:
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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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