Is It Time To Replace Your Chimney Liner?

How do you know when it is time to replace your chimney liner? To the naked eye, it may be impossible. Professional chimney companies, such as Chimney Specialists Inc., recommend an annual chimney inspection to assess damage and determine whether repairs or replacements are needed. Here is a list of reasons that may help you to make an educated decision.

What Should I Look For?

• Age of the Liner. A typical clay or metal liner will last anywhere from 15-20 years. However, if you use your fireplace frequently, the lifespan can be shorter.
• Visible cracks or deterioration. If you notice cracks or missing pieces in the liner, you may need to replace it. Common with clay tile liners, which tend to crack over time from the high heat and moisture.
• Pieces of tile or debris in the fireplace. You may see pieces of tile or debris in the fireplace; this is a clear sign of an issue.
• The draft is poor, and you have smoke issues. If you are experiencing smoke coming into the home while a fire is burning, the liner is most likely damaged or improperly sized.
• Odors are coming from the chimney. A smoking smell during warmer weather may indicate that creosote has built up in a deteriorated liner. Along with moisture intrusion, very strong odors may appear.
• Chimney fires are common. If you have ever had a chimney fire, even a small one, the liner is likely compromised. If deterioration is determined, a replacement is needed.
• Moisture problems. Water intrusion is a major concern throughout your chimney. Once water enters the chimney system, it can damage the liner. You may experience signs of this by visually seeing rust, white staining on bricks, or spalling masonry.
• Fails to pass an inspection. When choosing a chimney sweep, look for the Chimney Safety Institute of America certification. If they find damage or code violations, a replacement is needed.

If you notice any of these signs, or if it has been a while since your last chimney inspection, now is the time to call and book one. Catching a liner issue early can avoid high repair costs and keep your home safe.

What Are The Types of Liners?

• Clay Tile Liners. These are the most common in older homes. They are affordable and, if well-maintained, can last for many years. They naturally resist heat. However, clay tile liners tend to crack easily.
• Metal Liners. These are made out of stainless steel or aluminum; a flexible or rigid metal tube is inserted into the chimney. Stainless steel is very durable and is the most common material used.

A missing or damaged chimney liner is a serious problem that can have catastrophic results if left ignored. Stainless steel chimney liners may be an option to consider when relining a chimney. Ask our technician about what type of liner is best for you.

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