CHIMNEY CROWN REPAIR

The crown of your chimney is the surface on the very top that is sloped to move water away from the flue and keep water where it belongs. Proper construction is key, and sadly we see many crowns that are made of the wrong material or are missing expansion joints. Cracks or breaking of your chimney crown can lead to water damage. The worst thing about this type of chimney damage is that it can start off small and turn into a big problem quickly, especially after several freeze/thaw cycles when water freezes and expands and makes small cracks big ones, letting more water in and the cycle repeats. Good news though, most crowns can be repaired or a specialized waterproof product called CrownSeal can be used to address the problem.

Hairline cracks like this get bigger and deeper when water enters, freezes and expands.
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This crown had hairline cracks and has been painted with CrownCoat and will last for years to come.
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A steel form is set on top of this chimney just before we pour the chimney crown out of high-grade cement.
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Chimney Repairs

Chimney Works’ masonry repair crew has been serving the Cincinnati area since 2001. We provide all masonry services from simple chimney repairs to complete chimney rebuilds and chimney restorations.

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Chimney Problem Solver

By Lilah Utzurrum • May 23, 2023

Welcome to Chimney Works’ Chimney Problem Solver™ This tool will help you find solutions to common chimney problems. Each problem is presented as a question we get from customers on a regular basis. An answer is provided, explaining why it happens and what can be done about it, along with references (links) to expert resources that will give you additional details. If we feel your problem is critical, we’ll display a warning like this: | Warning | Depending on the issue, we may recommend you stop using your fireplace or heating appliance right away and contact a professional.