Replacing Your Chimney Chase Cover

When it comes to keeping your chimney and fireplace system safe and sound, keeping water out should be your No. 1 priority. When water is allowed to make its way into your chimney, it can damage your flue liner; rust your replacing-your-chimney-chase-cover-img-cincinnati-oh-chimney-care-codamper, firebox or fireplace doors; or even cause water damage to the walls and ceilings that abut your chimney.

If you have a manufactured fireplace, your chimney top should be enclosed with a chimney chase cover. Each fall, as you prepare your chimney for the fire-burning season, it’s important to make sure that your chase cover is firmly in place and damage free. If your chase top is corroding, it’s crucial that you have your chase cover replaced.

What is a chimney chase cover?

Unless you have visited your roof, you’ve likely never seen your chimney chase cover. It’s a flat metal box that encloses the top of your chimney. It should be fitted with a chimney cap that allows smoke to escape the flue while keeping water from running down the chimney flue.

What does a chimney chase cover do?

Your chimney chase cover should seal your chimney’s chase. That is, the box framing that surrounds your prefabricated chimney. The chase cover prevents water, animals and debris from entering the chimney flue. It also keeps water from seeping down between the sides of the chimney and the sides of the chase, which can cause water damage to your home’s structure.

Why do chimney chase covers need to be replaced?

Like anything, chimney chase tops will wear down over time. When homes are built or fireplaces or heating stoves installed, contractors often will keep costs low by installing the cheapest possible materials. Because of that, many chase covers are made from cheap galvanized metal. That metal breaks down within the span of about five years, rusting and corroding and failing to keep out water.

How can you tell if your chimney chase cap needs to be replaced?

Often, the first sign of a failing chimney chase top is a water leak within your chimney. If your chimney chase cap has developed a hole or crack, you might notice water pooling within your firebox, rust around your damper or a discolored wall or ceiling near your chimney. To avoid a leaking chimney, it’s important to have your chimney inspected annually! Your chimney technician will check your chimney chase cover and warn you of any signs of weakness.

What should I look for in a new chimney chase top?

At The Chimney Care Co. we recommend installing a chimney chase cap made from a durable metal that will protect your chimney for years to come. We install chimney caps made from stainless steel or copper, both of which will provide a beautiful finish to your chimney and keep your chimney dry.

If you’ve noticed water leaks in your chimney, if you’ve noticed rust or corrosion on your chimney chase cap, or if you are due for your annual chimney sweeping and inspection, call The Chimney Care Co. to schedule an appointment today.


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