Trusted Protection With Best In Class Warranties

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ROOFER SERVING ORANGE, DUTCHESS, SULLIVAN, ULSTER, PUTNAM, WESTCHESTER, ROCKLAND NY,
FAIRFIELD COUNTY, CT and PENNSYLVANIA.

The Best Hudson Valley Roofing Company Near You!

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Cassas Bros Roofing and Siding

Fully Licensed and Insured
Trusted 35+ Years Of Experience
Free Inspection and Quotes
Financing Available

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Trusted Protecting with best-in-class warranties

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Serving Dutchess, Ulster, Putnam, Orange, Sullivan, Westchester and Rockland Counties NY, Fairfield County , CT and Pennsylvania

Why Choose Cassas Bros Roofing and Siding?

At Cassas Bros Roofing and Siding, we understand that a roofing emergency can occur unexpectedly, which is why we’re always prepared to provide repair and replacement services for both residential and commercial properties. Our inspections are performed without any obligation on your part.

Our commitment to you is to deliver exceptional service, top-notch workmanship, clear communication, and honest and transparent pricing. Our roofing company is fully licensed, certified, and insured, so you can trust that your roofing needs are in good hands.

Doing Roofing The Cassas Brothers Way!

Roof Inspection & Assessment

Our process begins with a thorough roof inspection. Our expert team carefully examines the existing roof structure, looking for signs of aging, storm damage, leaks, and structural concerns. This crucial step ensures we develop a tailored replacement plan that addresses the unique needs of the home.

Tear Off old Roofing Material

Out with the old! We completely remove the existing roofing materials—including shingles, underlayment, and nails—down to the deck. This clean tear-off allows us to uncover any hidden issues and start fresh with a solid foundation.

Roof Decking Inspection & Replacement

With the old layers removed, we perform a detailed inspection of the roof decking. Any compromised or rotted boards are replaced to ensure structural integrity. A strong, level decking is essential for the long-term performance of your new roof.

Installation of Leak Barrier

Next, we install GAF’s WeatherWatch® Ice & Water Shield in vulnerable areas such as valleys, eaves, and around roof penetrations. This self-sealing barrier provides extra protection against wind-driven rain and ice damming—especially critical for Northeast homes.

Synthetic Underlayment

We cover the entire roof deck with a high-performance GAF synthetic underlayment. Unlike traditional felt, this breathable layer adds an extra line of defense against moisture and helps the roof breathe—critical to long-term durability.

Drip Edge & Flashing Installation

Drip edge and flashing components are installed at all roof edges, valleys, and junctions. These metal elements channel water away from fascia boards and prevent leaks where roofing materials meet walls or chimneys.

Starter Strip Shingles Installation

Before installing the main field shingles, we apply GAF Pro-Start® starter strip shingles along the eaves and rakes. These ensure a secure, wind-resistant edge that protects against shingle blow-off and provides a clean finish.

Asphalt Shingle Installation

Now the transformation begins. We install premium GAF Timberline® HDZ™ shingles—America’s #1-selling shingle. These architecturally stylish, high-performance shingles offer lasting protection and curb appeal, with superior wind resistance and advanced LayerLock™ technology.

Ridge Vent and Attic Ventilation

Proper attic ventilation is key to a healthy roof. We install a continuous ridge vent system to ensure balanced airflow and prevent heat/moisture buildup. This promotes energy efficiency and extends the life of your roof.

Final Cleanup and Walkthrough

We treat every home like it’s our own. Once the installation is complete, we conduct a full cleanup—removing nails, debris, and roofing materials from the property. Finally, we perform a final walkthrough with the homeowner to ensure complete satisfaction and answer any questions.

Cassas-Brothers-Roofing-GAF-Certified-Plus

Accredited Roofer for peace of Mind

As GAF Certified Plus™ Roofing Contractors, we adhere to the highest standards in the industry—using only premium GAF roofing systems and following manufacturer-approved installation methods.

Best In Class Warranties

As GAF Certified Plus™ Contractors, we’re also proud to offer the GAF Silver Pledge™ Limited Warranty, providing 50 years of material coverage and 10 years of workmanship backed by GAF.

Buy Now And Pay Over Time!

0% APR for 12 Months*

Equal Monthly Payments Required

A Wells Fargo Home Projects credit card is a convenient way to pay for goods and services. Plus, as a Wells Fargo Home Projects cardholder you can enjoy other great benefits throughout the year!

*The Wells Fargo Home Projects credit card is issued by Wells Fargo Bank, N.A., and is subject to credit approval. Special promotional financing offers may be available at participating merchants. Terms and conditions apply. Deferred Interest Offer: For qualifying purchases, no interest will be charged if the balance is paid in full within the promotional period. If the balance is not paid in full by the end of the promotional period, interest will accrue from the date of purchase at the standard purchase APR. Minimum monthly payments are required, but making only minimum payments may not pay off the balance in time. Other Fees & Terms: Standard account terms apply to non-promotional purchases and, after the promotional period, to promotional purchases. Interest rates, fees, and other terms may vary based on creditworthiness and current Wells Fargo policies. Late fees may apply. For complete details, please review the Wells Fargo Credit Card Agreement provided at the time of application or visit Wells Fargo's website.

Licensed & Insured

As a licensed and insured roofer, customers can trust that they are working with a professional who has met the necessary requirements and has the proper protection in case of any unforeseen circumstances.

Manufacturer Certified

Being a manufacturer certified roofer assures you that Cassas Bros. has undergone specific training and meets the manufacturer's standards, providing you the customer with additional peace of mind.

Best in Class Warranties

Our commitment to providing best in class roofing warranties demonstrates our confidence in the quality of our work and provides additional protection and reassurance for our customers.

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Our dedicated roofers have been trained and tested by GAF, one of the leading roofing manufacturers in the residential industry

Cassas Brothers Your Owens Corning Preferred Contractor