Long-Lasting Roofs Backed by 35+ Years of Local Experience
When it comes to roof replacement in Suffolk and Nassau Counties, homeowners trust Thermo-Seal for high-performance roofing systems that deliver strength, durability, and style. Whether your roof is showing signs of wear or you’re building a home that needs a reliable first line of defense, our team uses only premium asphalt shingles and weather-resistant materials rated for Long Island’s unpredictable climate.
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Why Choose Thermo-Seal to replace your roof?
Your roof is paramount to your home’s functionality, safety, and value. Whether you have leaks, missing shingles, or an old roof that needs to be replaced, you can count on Thermo-Seal. Since 1985, we’ve been Long Island’s roof replacement experts.
We install complete roofing systems designed to:
- Resist wind, rain, and coastal moisture
- Improve ventilation and energy efficiency
- Enhance curb appeal and property value
- Backed by manufacturer warranties and our own craftsmanship guarantee
METAL ROOFING
SHINGLE ROOFING
TILE ROOFING

METAL ROOFING
Superior Durability, Sleek Modern Style
Thermo-Seal’s metal roofing systems offer unmatched strength, energy efficiency, and modern curb appeal—making them an ideal choice for Long Island homeowners seeking a long-term investment. Crafted from high-quality steel or aluminum, metal roofs are engineered to withstand heavy winds, rain, snow, and coastal conditions, all while reflecting solar heat to reduce cooling costs. Available in a variety of colors and profiles, metal roofing delivers a contemporary aesthetic that complements both traditional and modern homes. With a lifespan of 40+ years and minimal maintenance, it’s a smart, stylish upgrade backed by expert installation and robust warranties.

Shingle roofing
Affordable, Reliable, & Built To Last
Thermo-Seal’s asphalt shingle roofing is the go-to choice for Long Island homeowners seeking a balance of affordability, performance, and classic curb appeal. We install high-quality, architectural-grade shingles that offer excellent protection against wind, rain, and coastal moisture—perfect for the region’s changing weather. With a wide range of colors and textures, shingle roofing allows you to customize your home’s look while boosting property value. Our expert installers ensure every roof is properly ventilated, sealed, and built to last—backed by industry-leading warranties and over 35 years of trusted local service.

Tile Roofing
Timeless Elegance, Long-Lasting Performance
Elevate your home with tile roofing from Thermo-Seal, offering classic beauty and exceptional durability for Long Island residences. Available in clay, concrete, and composite materials, tile roofs are renowned for their fire resistance, longevity, and upscale appearance. Ideal for Mediterranean, Spanish, and Mission-style homes, tile roofing stands up to harsh weather while providing excellent insulation and energy efficiency. With proper installation and maintenance, tile roofs can last 50+ years, making them a premium, low-maintenance solution for homeowners who value both form and function. Trust Thermo-Seal’s experts for precision installation and long-term protection.
What Our Clients Are Saying
We strive to make the entire home remodeling experience positive for our customers—from your first phone call, until the final handshake.
Schedule Your Free Roof Inspection Today
Protect your home with a roof you can rely on. Call 631-849-0434 or request your free, no-obligation roofing estimate today.
