Expert remodeling
Siding Installation & Replacement in Westport, CT
40 Years of Experience
Certified Professionals
Superior Workmanship with Proven Reputation
Stress-Free Process
Thermo-Seal Windows, Siding & Roofing, Inc.
Siding in Westport That Combines Coastal Resilience With Classic Charm
Searching for dependable siding installation in Westport, CT? Thermo-Seal has been upgrading homes throughout Fairfield County for over 40 years with siding that blends long-term performance and timeless appeal. Whether you’re near Compo Beach or in the heart of Greens Farms, our siding in Westport is built to withstand the elements while enhancing your home's exterior.
Every project is handled by our full-time, factory-trained team—no subcontractors—so you receive expert craftsmanship and a smooth process from start to finish. If your current siding is faded, cracking, or underperforming, Thermo-Seal offers siding replacement in Westport that improves energy efficiency and curb appeal.
Thermo-Seal Exterior Remodeling
Full-Service Siding Installation in Westport Built for New England Weather
From salty breezes to snow and humidity, Westport homes require siding materials that are as strong as they are attractive. We install fiber cement and vinyl siding from trusted manufacturers like James Hardie—built to endure coastal conditions with minimal upkeep.
✔ Installed by our certified, in-house professionals
✔ Engineered for Westport’s coastal and seasonal climate
✔ Offered in a variety of textures and colors to match your home’s architecture
Why Westport Homeowners Trust Thermo-Seal for Siding
With over 20,000 projects completed since 1985, Thermo-Seal is the go-to choice for siding installation in Westport. Homeowners rely on us for top-tier service, durable products, and consistent results.
Why Westport residents choose Thermo-Seal:
✔ James Hardie Certified – Specialists in high-performance fiber cement siding
✔ No Subcontractors – All work completed by our trained, in-house crew
✔ A+ BBB Rating – Recognized for quality workmanship and service across Fairfield County
✔ Built for Durability – Resists weathering, warping, and fading
✔ Energy Efficiency – Insulated siding options help reduce utility costs
From Saugatuck to the Westport coastline, we provide siding that holds up in tough conditions while giving your home a clean, refreshed look.
Siding in Westport That Solves Common Exterior Problems
Worn-out siding can cause issues ranging from drafts and water damage to high maintenance and energy waste. Thermo-Seal installs siding in Westport that corrects these concerns with lasting, low-maintenance solutions.
✔ Cracking or Peeling? Choose siding that resists rot, wind, and impact
✔ Poor Insulation? Our siding systems help keep your home comfortable year-round
✔ High Maintenance? Durable finishes reduce upkeep and extend your siding’s life
✔ Weather Damage? Siding built to perform in New England’s toughest conditions
Thermo-Seal’s siding installation in Westport improves your home’s efficiency, appearance, and value—with expert care every step of the way.
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:
Upgrade Your Home Now & Pay Later – Interest Free!
For a limited time, enjoy convenient financing with 0% interest for up to 25 months.
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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