![]() Installing a unit that covers multiple flues can take up to an hour. It takes approximately 20 to 30 minutes for a professional to install a chimney cap over a single flue. How long does it take to replace a chimney cap? While the installation process is not overly complicated, hire a professional who can assess the surrounding area to see if any additional repairs are needed. You can also install the chimney cap yourself. The labor for professional installation costs $125 to $275. Who installs and replaces chimney caps?Ĭhimney cap installers include chimney sweeps, independent contractors, and pest controllers. If smoke cannot leave the chimney because of a blockage, carbon dioxide can backdraft into the home.Ī missing or faulty cap can also allow sparks and embers to exit through the top of the chimney, which could cause the roof and/or surrounding areas to catch fire. Without one, water and debris could enter the chimney, damaging the interior shaft and blocking the flue. Frequently asked questions Does my chimney need a cap? Simple repairs may slightly extend its life, but a new unit will function more efficiently. While it may be cheaper to repair the cap, replacing the unit can be more cost-effective. However, if the cap is rusted or deformed, it should be replaced. If a cap has minor dents, cracks, or a small leak, a simple chimney repair costs $100 to $250, while chimney sealing or waterproofing costs $150 to $400. Pulls the smoke up through the chimney instead of letting it naturally rise. Prevents metal from rusting and breaking down. Stops cold air from blowing into older fireplaces The type of material that makes up the chimney cap also influences its cost, as shown in the table below:Īdditional chimney cap features and prices Feature Labor costs increase for chimneys that are difficult to access due to shrubs, trees, or steep roofs. Labor – Chimney sweeps charge $75 to $125 per hour on average for labor alone. Options / features – Options like wind-resistance, rust proofing, and weather sealing increase the final cost. The cost of installing a chimney cap depends on several variables:Ĭap material – Luxury materials like copper cost significantly more than standard steel caps.Ĭap size – Larger or multiple-flue caps typically cost more.Ĭap shape – Pricing is similar for chimney caps in standard shapes, while custom-shaped caps typically cost 10% to 50% more. Masonry chimneys are built on-site, whereas prefabricated chimneys are pre-assembled off-site. Unlike a chase cover, chimney crowns are made of concrete and used on masonry chimneys. ![]() Repairing or replacing a chimney crown costs $1,000 to $3,000. While not always required, the cover provides an extra barrier that complements the cap. The chase cover is a piece of metal that fits on top of a prefabricated chimney and has an opening in the middle covered by the chimney cap. Chimney chase cover replacement costsĪ chimney chase cover costs $300 to $700 with installation. If moisture enters the cracks and freezes due to low temperatures, the concrete expands further, causing additional damage. High temperatures can cause the concrete to expand, leading to cracks. However, the material is more susceptible to issues involving extreme temperatures. Concrete provides the cap with increased durability against physical debris and weather exposure. ![]() Concrete chimney cap replacement costsĬhimney caps made of concrete cost $350 to $450 on average. ![]() Choosing a durable material that lasts longer may help save money in the long run.
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