Expert Roof Installation & Replacement
Flat Roof
40 Years of Experience
Certified Professionals
Superior Workmanship with Proven Reputation
Stress-Free Process
Thermo-Seal Windows, Siding & Roofing, Inc.
Flat Roofing That Protects, Performs, and Lasts
When it comes to flat roofing in the Tri-State area, Thermo-Seal delivers expert solutions built on over 40 years of experience and trust. Whether you’re dealing with an aging roof, water ponding, or just looking for a modern, durable roofing system, our flat roofing services provide the performance, protection, and peace of mind your property deserves.
From energy-efficient materials to seamless, weather-resistant installation, we offer the best flat roofing systems tailored to your needs. Our GAF Master Elite-certified team uses only premium products and proven installation techniques to ensure long-lasting durability—no subcontractors, no shortcuts, just exceptional craftsmanship.
Weather Resistant
Withstands wind, hail, rain, and snow.
Eco-Friendly
Often made from recycled materials and 100% recyclable.
Flat Roofing
Discover the Best Flat Roofing Solutions for Your Home or Building
Flat roofing is a specialized system, and it’s crucial to choose the right material for your climate, budget, and long-term needs. Thermo-Seal offers all major types of flat roofing—including EPDM, TPO, PVC, and modified bitumen—each engineered to stand up to the Northeast’s toughest weather.
Our flat roofing systems are ideal for residential, commercial, and multi-family buildings. Whether you’re replacing an old roof or building new, we’ll help you choose the optimal solution to:
- Resist leaks and standing water
- Improve energy efficiency and indoor comfort
- Withstand UV rays, wind, snow, and seasonal extremes
- Extend the life of your roof and building envelope
- Minimize ongoing maintenance and repair costs
Our full-time, in-house team handles every phase—from inspection and recommendations to installation and cleanup—so you get a seamless experience and a roof built to last.
What Type of Roofing Is Best for a Flat Roof?
When evaluating flat roofing options, the best choice depends on your priorities: durability, energy efficiency, cost, or ease of maintenance. Thermo-Seal offers top-rated materials, including:
- EPDM Rubber Roofing – Affordable and time-tested, EPDM is known for its flexibility, UV resistance, and long lifespan—ideal for many Tri-State flat roofing needs.
- TPO Roofing – Highly reflective and energy-efficient, TPO is excellent for homes and buildings seeking better insulation and lower cooling costs in warmer seasons.
- PVC Roofing – This tough, single-ply material is chemically resistant and impact-resistant, making it a favorite for flat roofs exposed to industrial conditions or foot traffic.
- Modified Bitumen – A popular choice for flat residential roofs, modified bitumen blends asphalt and polymer for flexibility, weather resistance, and layered protection.
We’ll walk you through the pros and cons of each to ensure your flat roof investment is perfectly aligned with your property and performance goals.
What Are the Three Types of Flat Roofs?
The three primary types of flat roofing systems Thermo-Seal installs are:
1. Built-Up Roof (BUR) – Often referred to as "tar and gravel" roofs, BUR systems are made from multiple layers of asphalt and felt. These roofs are excellent at blocking UV rays and are extremely durable when properly maintained.
2. Modified Bitumen – A modern evolution of BUR, this material combines the proven performance of asphalt with advanced polymers to improve flexibility and weather resistance. It's often applied using heat or cold adhesives.
3. Single-Ply Membrane (EPDM, TPO, PVC) – These flat roofing options are installed in a single layer, providing excellent waterproofing with minimal seams. Single-ply roofs are ideal for both residential and commercial buildings seeking longevity and energy performance.
All three systems are designed to waterproof and protect flat roof structures from the elements, reducing the risk of mold, rot, and structural damage.
Why Choose Thermo-Seal for Flat Roofing?
With Thermo-Seal, you're not just getting a roof—you’re getting confidence in every layer. We’ve built our reputation over four decades as the Tri-State's most trusted exterior remodeler. Here’s what makes us different:
- In-House Flat Roofing Professionals: We never use subcontractors. Our full-time team ensures quality, accountability, and craftsmanship from start to finish.
- Elite Credentials: As a GAF Master Elite Contractor, we bring the highest level of training, product access, and warranty coverage in the roofing industry.
- Tailored Recommendations: We help you select the right flat roofing system based on your goals, property type, and budget—not a one-size-fits-all solution.
- End-to-End Support: From your free estimate to final inspection, we handle every step with transparency, care, and unmatched expertise.
- Local Trust: With thousands of satisfied customers and a presence throughout New York and Connecticut, we’re your neighborhood flat roofing experts.
How Does Flat Roofing Add Long-Term Value?
A professionally installed flat roof by Thermo-Seal offers value far beyond installation day. Here’s how:
- Energy Savings: Reflective materials like TPO and PVC help reduce heat absorption, lowering your cooling costs and carbon footprint.
- Moisture Protection: Modern flat roofing systems seal out water and resist ponding, minimizing leaks and structural damage.
- Easier Maintenance: Flat roofs offer safe, walkable access for routine inspections and cleaning.
- Longevity: With proper installation and materials, today’s flat roofs can last 20–30+ years, giving you a long return on investment.
Plus, if you ever need to upgrade HVAC systems or solar panels, a flat roof provides flexible space for equipment and installations.
Frequently Asked Questions About Flat Roofing
How long does a flat roofing system typically last?
Flat roofing lifespan varies by material. EPDM can last 20–30 years, while TPO and PVC often last 25+ years when properly installed and maintained. Modified bitumen and BUR systems also offer decades of durability, especially with professional installation and timely maintenance.
Can flat roofing be energy efficient?
Yes, especially with reflective materials like TPO and PVC. These systems reduce solar heat gain, improving indoor comfort and lowering cooling costs—an ideal solution for hot summers in the Tri-State area.
What are the most common flat roofing problems?
Poor drainage, ponding water, seam failure, and UV damage are the most frequent issues. That’s why choosing a trusted contractor like Thermo-Seal is essential—we design every system to minimize these risks with proper slope, sealing, and material choice.
How do I know which flat roofing material is best for me?
We’ll assess your property, climate conditions, budget, and energy goals to recommend the best flat roofing system. Whether you need industrial-grade PVC or cost-effective EPDM, we tailor the solution to you.
Do you offer warranties on your flat roofing work?
Yes. As a GAF Master Elite Contractor, we offer some of the strongest warranties in the industry. While specific coverage depends on the materials and system chosen, our work is always backed by a commitment to quality and satisfaction.
Ready to Upgrade to a Better Flat Roof?
Don’t settle for leaks, heat loss, or outdated systems. Trust Thermo-Seal for flat roofing that protects your investment, lowers energy bills, and performs for decades.
Call us today at
(866) 901-6808 or
Contact us today to schedule a project consultation.
Request A Free Estimate
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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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