Expert Roof Installation & Replacement

Chimney Caps & Pipe Collars

40 Years of Experience

Certified Professionals

Superior Workmanship with Proven Reputation

Stress-Free Process

Thermo-Seal Windows, Siding & Roofing, Inc.

Chimney Caps & Pipe Collars: Protect Your Chimney and Roof the Right Way

At Thermo-Seal, we bring over 40 years of exterior remodeling expertise to every aspect of your home—including your chimney. Our chimney caps & pipe collars service provides essential protection for your home by shielding your chimney and roof from weather damage, animal intrusion, and dangerous downdrafts. Whether you're adding finishing touches to a new roof or need to address long-standing issues, our professionally installed chimney caps & pipe collars are a small upgrade that delivers long-term value.


Don't overlook this critical part of your roofing system. With Thermo-Seal, you'll get certified craftsmanship, premium materials, and the peace of mind that your chimney is sealed, safe, and storm-ready.

Weather Resistant

Withstands wind, hail, rain, and snow.

Eco-Friendly

Often made from recycled materials and 100% recyclable.

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Why Chimney Caps & Pipe Collars Are Essential for Every Roof

Many homeowners underestimate how important chimney caps & pipe collars are—until costly issues start to appear. A well-installed chimney cap does far more than cover an opening. It safeguards your home from some of the most common and expensive forms of chimney-related damage.


Chimney caps help:


  • Prevent water from entering your chimney, reducing risk of mold, rot, and internal structural damage
  • Keep animals, birds, and debris from nesting or blocking airflow
  • Minimize fire risk by containing sparks and embers inside the chimney
  • Stop cold air downdrafts that can affect energy efficiency


Pipe collars, also known as flashing collars or storm collars, seal the area where vent pipes penetrate your roof. Without them, leaks are virtually guaranteed—especially in snow, ice, or heavy rain.



When installed correctly by professionals, chimney caps & pipe collars work together to extend the life of your chimney and roof while protecting the interior of your home. At Thermo-Seal, we ensure every component is installed with precision using only durable, weather-rated materials.

The Benefits of Choosing Thermo-Seal for Chimney Caps & Pipe Collars

As a GAF Master Elite Contractor with decades of roofing experience across the Tri-State area, Thermo-Seal isn’t just another installer—we're a name homeowners trust.


Here’s what makes us the best choice for chimney caps & pipe collars:

Our in-house professionals—not subcontractors—handle every detail of the job. This ensures consistency and accountability across every project. From initial inspection to final installation, we guarantee craftsmanship that aligns with the highest industry standards.


We understand that every roof and chimney setup is unique. That’s why we offer expert evaluations and tailored solutions—no one-size-fits-all products. Whether you need a cap for a metal flue or pipe collars for multiple roof penetrations, we ensure compatibility, weather-resistance, and code compliance.



And because Thermo-Seal uses only premium-grade materials, your chimney and vent systems remain sealed, secure, and low maintenance for years to come.

Is Capping a Chimney a Good Idea?

Absolutely. Installing a chimney cap is one of the simplest, most effective upgrades you can make to extend the life of your chimney and prevent damage to your home.


A quality chimney cap keeps moisture, animals, and debris out—three of the biggest causes of chimney deterioration. It also helps prevent sparks from flying out and igniting nearby materials, which is especially critical in areas with dry seasons or tree coverage.


Thermo-Seal installs chimney caps with proper ventilation and sizing, ensuring you avoid issues like draft problems or soot clogging. When done right—and maintained periodically—capping your chimney is not just a good idea, it’s an essential part of a healthy roofing system.

Do Roofers Put On Chimney Caps?

Yes, but not all roofers are qualified to do it properly. Installing chimney caps & pipe collars requires knowledge of both roofing and chimney systems to ensure compatibility and long-term performance.


At Thermo-Seal, our roofing teams are trained in proper chimney cap and pipe collar installation. As certified exterior remodeling specialists, we ensure all materials are integrated seamlessly into your existing roofing system—without creating vulnerabilities or voiding warranties.


If your chimney or pipe collar requires repair or if you suspect damage, it’s especially important to choose an experienced professional. Our team will assess the condition of your chimney stack, roof decking, and flashing to ensure everything is sealed and secure.

Long-Term Protection Starts With the Right Installation

With every chimney cap & pipe collar installation, Thermo-Seal prioritizes longevity and safety. We don’t just install—it’s part of a comprehensive roofing strategy designed to protect your entire home.


Once installed, our systems:


  • Reduce long-term maintenance costs
  • Help prevent roof and ceiling leaks
  • Improve energy efficiency by reducing air infiltration
  • Minimize pest-related damage
  • Prevent internal chimney and structural deterioration



When you choose Thermo-Seal, you get more than protection—you get peace of mind, backed by decades of trusted expertise.

FAQs: Chimney Caps & Pipe Collars

  • How long do chimney caps last?

    A high-quality chimney cap can last 15–25 years or more, depending on the material and exposure to the elements. Stainless steel and copper caps, which Thermo-Seal installs, offer excellent durability and resistance to rust and corrosion. Regular maintenance and occasional cleaning can extend their lifespan significantly.

  • Can I install a chimney cap or pipe collar myself?

    While DIY installation is possible, it’s not recommended unless you have experience with roofing and chimney systems. Improper installation can lead to ventilation issues, leaks, or damage during high winds. Thermo-Seal ensures your chimney caps & pipe collars are installed correctly the first time, using the right materials and techniques for your roof type.

  • Do I need a chimney cap if I don’t use my fireplace?

    Yes. Even if your chimney isn’t actively in use, it still serves as an opening to your home. Without a cap, rain, snow, pests, and debris can enter and cause damage over time. A chimney cap is a low-cost way to protect your home year-round—regardless of fireplace usage.

  • What types of chimney caps does Thermo-Seal install?

    We install a range of chimney caps based on chimney type, roof slope, and customer needs. Options include stainless steel, copper, single-flue, and multi-flue designs—all carefully selected for durability, function, and compatibility with your roofing system.

  • How do I know if my pipe collar is leaking?

    Signs of a leaking pipe collar include ceiling stains near vent pipes, damp insulation, water dripping during rain, or musty smells in the attic. If you notice any of these symptoms, contact Thermo-Seal for a professional inspection. We’ll determine whether a new pipe collar, flashing, or sealant is required.

Protect Your Chimney, Protect Your Home

Don’t wait for leaks or pests to tell you your chimney system needs attention. With Thermo-Seal’s expertly installed chimney caps & pipe collars, you’ll get proactive protection that keeps your home dry, safe, and structurally sound.

Call us today at (866) 901-6808 or Contact us today to schedule a project consultation.

Request A Free Estimate Today

Request A Free Estimate


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456 Sunrise Highway, Rockville Center NY 11570 - (516) 689-7214

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411 Theodore Fremd Avenue, Rye NY 10580 - (914) 635-3748

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263 Tresser Blvd., Stamford, CT 06901 - (203) 990-1812

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68 South Service Road., Melville NY 11747 - (631) 710-6937

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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.

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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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