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Unveiling the Mystery: Why Does My Chimney Leak?

March , 2024 | 4 min. read

By Mitch Owens

Tile roof with 3 chimneys

Hey there! Are you staring up at your chimney, wondering why it's acting more like a water fountain than a smokestack during a storm? Chimney leaks are like an uninvited guest. They show up without notice and can be quite a hassle.

You're not alone. We understand how frustrating a chimney leak can be.

But worry not, because we're about to dive deep into the world of chimney leaks. Our family at RoofCrafters has been fixing chimney leaks for over 30 years. We've seen every possible chimney leak. We've seen them many times. From the top of your chimney cap to where your chimney meets the roof, we're uncovering why it leaks.

So, grab your detective hat, and let's solve this watery mystery together!

The Chimney Leak Conundrum


Let's get a lay of the land before we start pointing fingers at the usual suspects for your chimney leaks. Think of your chimney as a character in a mystery novel. It has many parts. Each part has a role in keeping water out of your living room.

roofer inspecting a leak on a brick chimney

The top or chimney cap, the siding, and the base where the chimney meets the roof are all potential leak zones. But when one (or more) of these parts isn't doing its job, water sees an opportunity and moves in. Understanding these parts is key. They will help us unmask the true culprit behind the leaks.

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The Top of the Chimney: A Leaky Lid


The top of your chimney might just be the Achilles' heel of your entire roofing system. This section includes the spark arrestor, storm guard, pipe, and metal cap or pan. Each is a key player in the fight against water. Water can sneak its way in if any of these parts are damaged, improperly installed, or just plain old and worn out.

chimney cap with rust

Imagine the cap or pan with a crack or gap; it's like leaving your front door open during a hurricane, and we all know that's a no-go. Regular inspections are key to catching these issues early on.

Siding: The Chimney's Armor


Your chimney's siding is dressed in brick, stucco, wood, hardy-plank, or vinyl. It acts as armor against the elements. But even the strongest armor can have its weak points. Over time, these materials can develop cracks, gaps, or other forms of damage, offering a VIP pass to water.

chimney coming through a roof with a shoddy repair on the shingles

It's like having a chink in your chimney's armor, and water is always ready to charge through any breach. Checking your chimney's siding material for maintenance issues is crucial. It maintains its integrity by keeping out leaks.

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The Roof to Chimney Flashing: Where Two Worlds Collide


At the base of your chimney, where it meets the roofline, lies a critical junction. It's the roof to chimney flashing. This area is where two materials meet. It is ripe for leakage if not sealed well. The flashing and the roofing materials, be they shingles, metal, tile, or wood, need to form a watertight barrier.

brick chimney without a chimney cap

The flashing can cause leaks if it is damaged, rusted, or installed wrong. Leaks can also happen as the result of falling debris such as tree limbs or hail. This roof-to-chimney connection is critical. It's like the seam on your favorite rain jacket; if it starts to give, you're going to get wet.

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Conclusion: Sealing the Deal Against Chimney Leaks


We've sleuthed through the chimney, from top to base. There are many leaks to watch for. Regular maintenance and timely repairs to the chimney cap, siding, and flashing can save you. They can save you from the drama of unexpected leaks.

If you suspect your chimney is turning into a water feature, don't hesitate to call in the pros. RoofCrafters has been repairing chimney leaks for 3 decades. We can help protect your home. After all, your home is your castle, and a leaky chimney is no way to treat royalty. Keep it sealed, keep it safe, and keep enjoying those family experiences without worry.

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Mitch Owens

My name is Mitch, and I have over 10 years of roofing experience. I enjoy my career in the service industry because I love helping others take care of their homes and businesses. With over 10 years in the roofing industry, my success comes from my honesty and integrity during my roof inspections. I do my best to listen to the needs of my clients and strive to provide an awesome client experience.