Here are just some of the situations that might call for a chimney extension:
Even if you haven’t made any changes to your home or business, the building codes can always change in a way that means you’ll have to extend your chimney. It’s worth keeping up with the law and staying ahead of the next inspection if it means avoiding hefty fines and other penalties.
If you change how you use your chimney, you might need an extension. As a rule, it should be taller than the building and wide enough to avoid a downdraft, which can depend on the temperature. If there isn’t enough pressure in the chimney, the outside pressure can push the smoke right back inside.
By the same token, without enough interior pressure, anything on the outside, whether it’s mold, pollen, or humidity, can make its way down through the chimney and into your building. Chimney extensions create extra space to build up pressure, which keeps the smoke outside where it belongs.
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