The following are other damages that can occur due to spalling brick: The compromised bricks expose the porous interior which gives way to water damage that can eventually destroy your masonry. Spalling brick is one of the first signs that a chimney is in need of some tender loving attention. When it comes to a chimney, regular maintenance is vital to keep it looking good and operating correctly. Cracks in chimney crowns are quite common and can easily lead to spalling bricks because it gives way to saturation of the bricks and the mortar.If your roof doesn’t support proper drainage, masonry deterioration can result because the mortar, and the bricks, stay wet for too long.Sandblasting can have the same negative affect. But, they can damage them too, causing them to be prone to spalling. Pressure washers are often used to give the bricks a good cleaning.If the construction is poor, it won’t allow the mortar and bricks to work properly. The construction of your chimney can be the cause of spalling bricks.Salvaged bricks have a tendency to suffer moisture damage more easily than top-quality bricks.It’s the most common reason behind spalling in wet and cold climates. This compromise can put stress on bricks and cause trouble very easily. Wet or freezing weather causes the mortar to swell and release. The climate plays a huge part in spalling.The entire structure of your home is dependent upon one another so any weakness can cause an issue that can lead to spalling. The condition of the bricks on the outside of your home can contribute to spalling chimney bricks.If it’s weak or causes the brick to be exposed to weather, it certainly can put a strain on both the mortar and bricks. The architectural structure of your home on the outside may promote spalling.That means it can literally squeeze the brick rather than vice versa (as it should normally be).Īlong with the fact that the mortar may not be of the best quality or may be simply too aged, here are some things that can cause spalling of bricks or can at least accelerate the process when the mortar is of poor quality: If the mortar isn’t holding, it doesn’t absorb moisture when the freeze and thaw cycles occur. Mortar is designed to absorb the expanding of the bricks under such strenuous circumstances as the process of freezing and thawing. In general, spalled bricks are caused when mortar made with an incorrect compression rate are being used under heat. Eventually, it can even make the brick crumble. When water enters brick, it can force the surface to flake, pop out and peel.
Faulty fireplaces and chimneys can be deadly. Failure to do so could cost you more than just money. Whether you use your fireplace for aesthetics, keeping warm or both, you want to make sure it’s in good condition.
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