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FAQs | Chimney Balloons

Chimney Balloon IrelandIf you have a question, please drop us a line at or click here to go to our contact form.

Some of the questions are customers ask us most frequently:

What is it for?

The Chimney Balloons is primarily designed to stop heat loss and draughts from an open fireplace. It has lots of other benefits including reducing external noise, prevent soot and other debris from falling your hearth.

How does it work?

A Chimney Balloon is like an inflatable cushion. Using the handgrip, you put it approximately a foot up the chimney. You them inflate the balloon until it gently grips the internal chimney walls. Close the inflation tap and you’ve stopped your chimney draughts!

It’s simple and easy to remove – just open the inflation tap, the balloon deflates gently and can be easily withdrawn.

Is it safe?

The Chimney Balloons is perfectly safe. There are however two things you need to be aware of when the Chimney Balloon is installed:

  • Lighting a fire
    • If you forget to remove the chimney balloon and light a fire, smoke may enter your room. However the Chimney Balloon will shrink after about 40 seconds and allow smoke and fumes to go up the chimney.
    • The Chimney Balloon is supplied with a little red warning label that you should put in the grate. If you are really concerned you might forget, you may want to tie a small ribbon to the inflation tap!
  • Using fuel burning appliances
    • Carbon monoxide is produced when you use an appliance that burns a fuel such as gas, oil, kerosene, wood, or coal.
    • Although the Chimney Balloons provides small amounts of ventilation through special channels at one end, you should not use such a fuel burning appliance in a room where a Chimney Balloon is installed.
    • This will ensuring that any danger of carbon monoxide building up is reduced.

Can I install a Chimney Balloon in a room with a gas fire?

As a principle, we do not recommend installing a Chimney Balloon in any room where there is a gas fire. This is because of the danger from carbon monoxide where insufficient oxygen flow is available. Although a homeowner may be aware of the dangers, we are conscious of the fact that at some point in the future, someone who is not aware that a Chimney Balloon is installed may use an appliance that causes high levels of carbon monoxide.

What about strong winds?

Normally the Chimney Balloons stays in place without any problem. However strong winds, particularly during winter storms, can cause high chimney suction. To avoid the balloon getting sucked up the chimney, we strongly recommend that you tether the Chimney Balloon by its tap to the grate with a length of string.

If however the balloon does get sucked up the chimney, as a first step you could try to retrieve the balloon using an old unravelled metal coat hanger. If the balloon is not too far up the chimney this might work. Unfortunately if this doesn't succeed, it is best to contact a chimney sweep who should be able to assist.

What material is it made from?

The Chimney Balloons is made form thin, flexible laminated plastic. The outer layer is tough, the inner acts as an air barrier layer, and the inner is a heat-shrink material. The Chimney Balloon is transparent which aids fitting.

Can I get other sizes?

If you have a request for a special size, please contact us at We will do our best to get you the size you require.

Can I collect?

We distribute from a third party warehouse and not directly from our office, so don't hold stock there. When you order your Chimney Balloon on line, we make sure that it is dispatched to you promptly.

I light to fire occasionally - can I still use a Chimney Balloon

If you light a fire occasionally, you can still use a Chimney Balloon. However there a number of things you should be aware of:

  • obviously you will need to remove the balloon before lighting the fire, otherwise your room will fill with smoke
  • when you reinstall the chimney balloon you need to make sure that the chimney has cooled completely
  • when removing the balloon, it may be covered in soot and other debris which has fallen down your chimney. You need to protect surfaces to ensure that they are not dirtied.

A Chimney Balloon normally lasts many years - continuously installing and removing may damage it and reduce its useful life.