Look Out for These Chimney Repair Warning Signs

Look Out for These Chimney Repair Warning Signs

While a chimney is a strong and safe structure, it’s worth noting that everything ages inside your home. This means that repairs are due now and then as problems arise due to usage. With that said, a damaged chimney should be repaired as soon as possible.

Read on to discover the chimney repair warning signs you should be looking out for.

The White Stains and Efflorescence 

Efflorescence is a white stain on a chimney. Cleaning the stain does not address the issue of moisture, which contributes to the white residue. Efflorescence in masonry indicates a high level of moisture. If left unattended, the chimney will most likely deteriorate prematurely, causing a variety of other issues.

The Rust and Corrosion

Rusting on your firebox or damper indicates that there is too much moisture in your chimney. While the damper may not appear to be rusted, it may be rusted if it does not seal or function properly.

If there is enough moisture in your chimney to cause rusting, you may also experience serious damage, such as cracked flue tiles. Using a special camera, inspect the flue lining to ensure that the chimney system is not compromised, which could result in a house fire.

The Aging Mortar Joints 

Repair damaged mortar joints between the masonry of the chimney as soon as possible. The masonry will deteriorate over time due to mortar deterioration, exposing it to increased moisture. During cold weather, excess moisture can freeze inside masonry cracks. Cracking in bricks, rocks, and cement can be exacerbated by moisture. The deteriorated mortar could cause the entire chimney to collapse.

The Shaling

If you notice small pieces of chimney tile accumulating in the fireplace, the flue is most likely damaged. The flue lining is critical to a fireplace and chimney’s safety. As a result, an annual chimney inspection is essential. Professional chimney sweeps can inspect your flue lining for any hidden problems. For example, if the tiles are cracked but not crumbling, a chimney system breach is unlikely to be visible.

The Spalling

The presence of masonry fragments at the structure’s base indicates spalling outside of the chimney. Masonry can peel, pop, or flake when exposed to moisture. Replacing damaged masonry keeps the chimney from collapsing and crumbling further.

The Wallpaper Damage 

Damaged wallpaper near your chimney can also be an indication of damage. Moisture in the chimney usually wreaks havoc on the wallpaper. Before using the fireplace, make any necessary repairs to the chimney or flue.

The Chimney Crown Damage

Inspecting the chimney crown, like inspecting damaged mortar joints, will necessitate climbing to the roof. The crown protects the chimney from bad weather. Water may seep into the crown, causing the cracks to expand. Water can seep in between the chimney and the flue lining, causing spalling and shaling.


A damaged chimney can cause a myriad of problems for your home, such as a fire. This may also risk the health and safety of your family. So, be a responsible homeowner and maintain your space or have damages repaired as early as you detect a warning sign. This way, you can get peace of mind and improve your home life quality!

For the best chimney repair services in Toronto, Red Robin Masonry offers first-class tools, industry expertise, and well-trained professionals. Request your FREE quote today!

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