Owens Corning Certified Contractor

Chimney Flashing Repair Long Island NY.

Name: Mayancelas Jr. Roofing LLC
Address: 142 Medford Ave, Patchogue, NY, 11772, US
Telephone: (631) 882-5324
Price range: Free estimates

Chimney flashing repair Long Island NY by certified roofers. We inspect, repair, and replace chimney flashing to stop leaks at the roof-chimney joint across Long Island.

Chimney Flashing Repair Long Island NY.

At Mayancelas Jr. Roofing LLC, we provide professional chimney flashing repair throughout Long Island. Chimney flashing is the metal strip that seals the connection between your chimney and roof. When it fails, water can enter your home, potentially causing ceiling damage, mold, and wood rot.

Our team inspects, repairs, and replaces chimney flashing using durable materials and proper sealing techniques. We identify the source of the problem and provide lasting repairs to help keep your roof protected. Every chimney flashing repair includes a thorough waterproof check and written warranty.

The Benefits of Flashing Repair

A failed chimney seal causes more damage than most homeowners expect. Here is what a proper repair gives you.

Waterproof Sealing at the Chimney-to-Roof Junction

Properly installed chimney flashing creates a waterproof seal at the most vulnerable point of your roof. Once sealed correctly, the chimney-to-roof joint stops shedding water into your attic and ceiling regardless of Long Island weather.

Prevents Interior Damage

A properly sealed chimney stops leaks before they reach insulation and framing. Catching flashing failure early prevents mold, rot, and costly repairs.

Durable Materials Withstand Long Island Weather

We use high-quality metal flashing and sealant rated for Long Island temperature swings and coastal conditions, chosen to hold up without cracking.

Stops Structural and Moisture Damage Early

Water from a failed chimney seal travels through framing before it becomes visible. Repairing the flashing eliminates that entry point and protects your home structure.

How It Works

Our Chimney Flashing Process

From free chimney inspection to final sealant check: thorough, clean, and properly waterproofed on every job.

Free Roof Inspection

Our inspector evaluates chimney flashing condition, checks for rust, separation, and improper sealing, and documents issues. Free, no obligation.

Flashing Report & Written Job Estimate

We provide a written damage report and an estimate covering repair or replacement scope, materials, and timeline. No hidden costs.

Flashing Repair and Sealant.

Our crew removes damaged flashing, prepares the surface, installs new metal flashing, and applies sealant for a waterproof chimney joint. Done right.

Final Inspection & Cleanup

We perform a complete post-repair inspection, verify the seal, clean up all debris, and provide warranty documentation. Your chimney joint is tested before we leave the property.

      
   Mayancelas Jr Roofing LLC
   61 Google reviews 
  Write a review 
  
 
 
   
 
 
       Posted on Google  
   
   Nayeema Chowdhury 
 
 
 
 Trustindex verifies that the original source of the review is Google. I just got my roof done by Juan and his team. They did an excellent job. Very understanding and listen to your likes and dislikes. I would highly recommend them!
  
 
      Posted on Google  
   
   Ronal Borja 
 
 
 
 Trustindex verifies that the original source of the review is Google. Very good service on my roof great quality Word
  
 
      Posted on Google  
   
   Jose Aguayza 
 
 
 
 Trustindex verifies that the original source of the review is Google. Mayancela Jr. Roofing provides excellent service. I highly recommend this company to anyone looking to hire a roofing and siding contractor. They completed the roofing and siding work on my entire house, and the results were outstanding. The quality of the workmanship was excellent, and everything was completed professionally and on time
  
 
      Posted on Google  
   
   Sandra Quizhpi 
 
 
 
 Trustindex verifies that the original source of the review is Google. We recently hired Mayancela Jr Roofing LLC and were very impressed with the entire experience. The team was professional, reliable, and easy to work with from start to finish. They communicated clearly throughout the project, arrived on time, and completed the work with great attention to detail. The quality of the workmanship exceeded our expectations, and the final result looks amazing. It’s clear that the Mayancela Jr team takes pride in their work and values customer satisfaction. We highly recommend Mayancela Jr Roofing LLC to anyone looking for quality roofing services and a trustworthy team. Thank you for a job well done! 🏠🔨⭐⭐⭐⭐⭐
  
 
      Posted on Google  
   
   Atul Puri 
 
 
 
 Trustindex verifies that the original source of the review is Google. Let me start by saying...professional and reliable.   Mayancelas roofing guys were very professional and on time workers.  They replaced my whole roof in 1 day, did an excellent job, no mess, no nails and above all perfect finish. I would recommend them to everyone..and they guarantee their work.
  
 
      Posted on Google  
   
   zndrsmith 
 
 
 
 Trustindex verifies that the original source of the review is Google. Friendly and helpful contractor to work with and the workmen were very efficient and cleaned up properly at the end. I would recommend them.
  
 
      Posted on Google  
   
   David Jansen 
 
 
 
 Trustindex verifies that the original source of the review is Google. This company did a superb job at siding our house. They eere attentive to detail, worked hard and completed a beautiful siding job in less than three days. Everything went as planned, and as they said it would. I would highly recommend them! As for pricing, it was certainly reasonable too. You will be happy that you had Luis and Juan do the job! Family run.
  
 
      Posted on Google  
   
   Stephanie Gray 
 
 
 
 Trustindex verifies that the original source of the review is Google. Great experience! My siding looks amazing, and the quality of the work exceeded my expectations. Very professional service and attention to detail
  
 
      Posted on Google  
   
   Eileen Smith 
 
 
 
 Trustindex verifies that the original source of the review is Google. Luis and his crew did an amazing Roofing job at my house in Massapequa Park. They worked So hard to get it completed before the rain and they did!!  it came out terrific. From the start Luis was comprehensive and explained things to me so I understood the process and I felt he was honest and upfront as to what to expect. I would 100% recommend this company!! Thanks again That

1 +

Years Experience

100 +

Flashings Done

1 ★

Rated Service

Emergency Service

Completed Chimney Flashing Projects

Chimney Flashing Repair Long Island NY?

Your chimney flashing repair Long Island NY starts with a free inspection and a detailed written estimate. We proudly provide professional roofing services throughout Long Island. No obligation. Call (631) 882-5324 today.

Questions about Chimney Flashing Long Island

Questions about chimney flashing repair Long Island NY? Here are straight answers to what homeowners ask most about leaks and seals.

What is chimney flashing and how it works?

Chimney flashing is a metal strip installed at the joint between your chimney and roof. It creates a waterproof seal that prevents rain from entering your home at that junction. When it fails, water infiltrates the structure. Chimney flashing repair Long Island NY is one of the most effective ways to stop active leaks at their source.

How do I know if my chimney flashing is failing?

Common signs include water stains on ceilings or walls near the chimney, visible rust or separation on the metal strip around the chimney base, peeling paint near the chimney interior, or water dripping into the fireplace during rain. If you see any of these, schedule a free inspection right away.

What causes chimney flashing to leak in Long Island, NY?

Chimney flashing repairs Long Island NY are commonly needed due to rust and corrosion from coastal salt air, improper original installation, caulk or sealant that has dried and cracked over time, or chimney settling that pulls the flashing away from the masonry. Long Island temperature swings also cause metal to expand and contract, gradually breaking the seal.

When does chimney flashing need repair vs. full replacement?

It depends on the condition. Minor separation or failed caulk can often be repaired without replacing the full flashing system. Severely rusted or improperly installed flashing usually needs full replacement for a lasting result. We assess during the free inspection and recommend the most cost-effective solution.

Do you offer payment plans for roof work?

Yes. Financing options are available to help Long Island homeowners manage chimney flashing costs. Ask about plans when you call. For certified roofing material details, visit owenscorning.com.

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Chimney Flashing

Chimney Flashing Repair Long Island NY.

Chimney Flashing Repair Long Island NY.

The Benefits of Flashing Repair

Waterproof Sealing at the Chimney-to-Roof Junction

Prevents Interior Damage

Durable Materials Withstand Long Island Weather

Stops Structural and Moisture Damage Early

Our Chimney Flashing Process

Free Roof Inspection

Flashing Report & Written Job Estimate

Flashing Repair and Sealant.

Final Inspection & Cleanup

Completed Chimney Flashing Projects

Chimney Flashing Repair Long Island NY?

Questions about Chimney Flashing Long Island

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