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How can I stop draughts coming down my chimney?


If you have a chimney in your home, it’s not uncommon to experience draughts coming down the chimney. These draughts can be caused by a variety of factors, such as strong winds, an inadequate chimney cowl, or a poorly sealed fireplace. Not only can these draughts make your home feel colder, but they can also waste energy and increase your heating bills. In this article, we’ll explore some effective ways to stop draughts coming down your chimney and keep your home warm and comfortable.

  1. Install a Chimney Balloon

One of the easiest and most effective ways to stop draughts coming down your chimney is to install a chimney balloon. A chimney balloon is an inflatable device that’s designed to fit snugly into your chimney flue, effectively sealing it off from the outside. When not in use, the balloon can be easily deflated and removed. Installing a chimney balloon is a relatively simple process and can be done in a matter of minutes.

  1. Install a Chimney Cap

Another effective way to stop draughts coming down your chimney is to install a chimney cap. A chimney cap is a device that’s placed over the top of your chimney, providing a barrier against wind, rain, and snow. The cap is typically made of metal, such as stainless steel or copper, and is designed to fit snugly over the top of your chimney. A chimney cap can help to prevent downdrafts and improve the overall efficiency of your heating system.

  1. Install a Chimney Flue Stopper

A chimney flue stopper is a device that’s designed to be installed inside your chimney flue, creating a barrier against draughts and preventing heat loss. Flue stoppers are typically made of foam or other insulating materials and can be easily installed in just a few minutes. They can be removed when you want to use your fireplace and reinstalled when you’re finished.

  1. Insulate Your Chimney

Insulating your chimney is another effective way to stop draughts and prevent heat loss. You can use a variety of insulation materials, such as fibreglass, to wrap around your chimney flue and create a barrier against draughts. This is a more involved process than installing a chimney balloon or cap and may require the assistance of a professional.

  1. Seal Your Fireplace

If you have a fireplace, it’s important to make sure that it’s properly sealed to prevent draughts. You can use a variety of materials to seal your fireplaces, such as fireproof caulk or sealant. You’ll want to pay particular attention to the area around the damper, which can be a major source of draughts. A properly sealed fireplace can help to prevent heat loss and reduce your heating bills.

  1. Check Your Chimney Cowl

Your chimney cowl is an important part of your chimney system, and if it’s not functioning properly, it can be a major source of draughts. You’ll want to make sure that your cowl is the right size for your chimney and is properly installed. If your cowl is damaged or worn, you may need to replace it with a new one.

  1. Get Professional Help

If you’re experiencing draughts coming down your chimney and are unsure of how to fix the problem, it’s a good idea to seek professional help. A qualified chimney sweep or heating contractor can help you identify the source of the draughts and recommend the best course of action. They can also help you install any necessary devices or materials to stop the draughts and improve the efficiency of your heating system.


Draughts coming down your chimney can be a frustrating and uncomfortable problem, but it’s one that can be easily fixed with the right approach.

Eurocowl are recommended chimney cowl manufacturers in the UK. We manufacture flue cowls and chimney cowls to help increase the chimney’s draft, prevent downdraft, prevent the elements from entering the chimney and prevent birds or squirrels from nesting in the chimney cavity. As a UK manufacturer, we remain close to our customers, delivering a service that will meet or exceed their highest expectation, we acknowledge that our success is closely linked to that of our customers and perform accordingly.