Have you ever noticed cracks near your chimney’s masonry? If you did, you might wonder what could’ve caused your chimney to sustain damage as well as how this issue can be treated. In this post, the top chimney relining and maintenance specialist, Chimney Doctors, shares the top causes of chimney cracks here.
This issue might not be as apparent since you don’t usually know what happens within your chimney. Did you know that your chimney system contracts and expands when it cools down or heats up? When you start a fire on your furnace, it heats up the chimney flue, causing it to expand. If it isn’t constructed without the proper clearance between the flue and the chimney wall, the flue will start applying pressure into the brick, causing it to crack.
Your chimney masonry repair expert would tell you that moisture buildup can cause your masonry to crack. Moisture droplets can seep into the tiny pores of your brick and mortar where the water can settle. Once it reaches freezing temperatures, the water will expand enough that it weakens or even causes the masonry to crack. This is why you should invest in chimney sealants and caps to protect it from cracking.
It’s important to have a solid foundation before having any construction project. Your chimney footing should be solid for it to remain stable. If the footing starts settling, it can cause your chimney to lean, which eventually leads to masonry cracking.
Look no further than Chimney Doctors for your chimney maintenance needs. We are your number one provider of chimney sweep and relining services. Give us a call at (518) 633-5900, or fill out our contact form to get a free estimate. We serve homeowners in Clifton Park and Saratoga Springs, NY, and other nearby areas.
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