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How Do You Stop Wind Coming Down the Chimney?

Published in Chimney Draft Prevention 2 mins read

A primary way to stop wind coming down your chimney is by using a chimney balloon.

Using a Chimney Balloon to Block Wind

Wind entering a chimney can cause drafts, noise, and lower the energy efficiency of your home. A practical solution involves physically blocking the chimney shaft.

What is a Chimney Balloon?

As noted in resources, another type of chimney product to help prevent noise caused by wind is the chimney balloon. This simple yet effective device is specifically designed for this purpose.

  • How it Works: A chimney balloon is essentially an inflatable bag made from a durable material. It is inserted into the chimney flue just above the fireplace opening (or other access point).
  • Blocking the Draft: Once in place, the balloon is inflated using a hand pump or a mouth valve. It expands to fit snugly against the interior walls of the chimney shaft.
  • Stopping Wind: The inflated balloon creates a seal, effectively blocking the passage of air. This stops cold wind from travelling down the chimney, preventing drafts and reducing wind noise caused by gusts interacting with the chimney structure. The balloon can be easily deflated and removed when you want to use the fireplace.

Using a chimney balloon is a reversible and relatively easy method to mitigate issues caused by wind entering your chimney shaft.

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