In situations where oil or coal is burned, or when wood/pellets are used as primary source of heat, do not use aluminum or black-painted galvanized steel covers. The problem can normally be eliminated by covering the flue in order to prevent the leak from reoccurring. But this is normally only the case when a metal chimney liner is used. An Uncovered Flue can be a Source of Leaking at TimesĪ leaking chimney may be caused by an uncovered flue. Usually a new liner will resolve this problem. Instead of allowing moisture to evaporate, the condensation may just soak the brick interior and then drip down. This is often a problem when the liner used is not the ideal size or material.
![chimney leaks in heavy rain chimney leaks in heavy rain](https://jackpixleysweeps.com/wp-content/uploads/2013/07/chimney-damaged-and-repaired.jpg)
Condensation is Often the Culprit When a Chimney LeaksĬondensation inside the chimney can cause a leaking chimney. The cracks need to be filled in and repaired or the crown needs to be replaced to stop the leaking. The concrete may also shrink and gaps may appear. As the material freezes and thaws or the structure shifts, this can create cracks, and water can easily slip through these cracks and cause leaks.
#CHIMNEY LEAKS IN HEAVY RAIN CRACKED#
Cracks in a Chimney Crown can Cause LeaksĪnother common cause of a leaking chimney is a cracked crown. If your chimney is not properly covered on top then rain may be able to fall directly into the opening, and this allows the water to travel into the structure.
#CHIMNEY LEAKS IN HEAVY RAIN PROFESSIONAL#
If you have a leaking chimney then a professional will usually check to see if you have a cover in place before checking anything else. A Leaking Chimney May be Caused by Rain Getting in at the Top The bricks in your chimney may also allow leaking if they are not properly waterproofed, and the wrong waterproofing materials can be just as bad as not waterproofing the bricks at all. Any missing or rusted flashing may not keep moisture away as intended. If the chimney flue is uncovered then this could cause water to come in. Condensation is another reason for many chimney leaks, because moisture cannot evaporate or escape and it is pulled downward by gravity. These cracks allow moisture into spaces where it should not be. One very common cause of this problem is that rain is getting into the top of the chimney, and then working its way into the home.Ī chimney cap that has cracks in it can also be a reason for leaks that originate in the area of the chimney. A professional roofer can help you determine why your chimney is leaking into the home or business and what can be done to eliminate this problem. There are many common causes for a leaking chimney.
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A leaking chimney is often a result of these severe weather conditions. Snow and ice has covered roofs for weeks at a time. We’ve had a harsh Midwest winter this year.