Plastic chimney balloons work on some level, but they have several flaws. … Chimneys are there for ventilation so it figures that if they are blocked, your house doesn’t breathe like it should. This can lead to condensation and mildew – not nice.

Are chimney balloons a good idea?

If you light a fire with the Chimney Sheep in place, the fire will smoulder and not draw properly, and it’s fire retardant so it won’t burst into flames, which is fine with an open fire but to be honest the Chimney Balloon is a safer bet for gas fires.

How do you remove a balloon from a chimney?

To uninstall the Chimney Balloon, simply open the valve on the end of the Chimney Balloon handgrip, wait for the balloon to deflate, then gently lower the balloon out of the flue area. Then renstall the Chimney Balloon when you are done using the fireplace and the flue has cooled down again.

Are chimney Draught excluders safe?

These are made from a special tri-laminate material, that if exposed to heat will simply shrink and cause the product to fall out of the flue. Most dangerous of all are the cheap PVC inflatable chimney draught excluders, which will tolerate a greater amount of heat then suddenly pop releasing chlorine gas and PCB’s.

What does a Chimney Balloon do?

The Chimney Balloon is designed to inflate and push against all four walls of the chimney, holding itself firmly in place. There is a small vent in the side of the product which allows some airflow, permitting your chimney to “breathe”. … This means each size will fit a greater range of chimneys.

How do you block a chimney when not in use?

While making sure there is no pilot or embers active in the fireplace, a temporary drape of plastic sheeting can be taped over the fireplace opening. This will stop easy air movement from the fireplace, help with cold hearth syndrome and odor.

Do chimney sheep cause damp?

Will it cause problems with damp? The wool is naturally breathable and will allow moisture to permeate through. If you have a problem with damp in a chimney it may be that the warm damp air is rising into the flue then condensing on the cold walls higher up.

How much heat is lost through a chimney?

What’s more, between 80 and 90 percent of the heat produced by wood burned in an open fireplace is lost up the chimney. This means that for every $100 you spend on firewood, you get only $10 to $20 worth of heat. The rest goes up the chimney.

Can I put a pillow up my chimney?

Some people swear by wrapping a pillow in binbags or something else waterproof, and pushing it up the chimney. This comes with a lot of problems, however. Although it’s cheap, the pillow is prone to sucking up moisture, causing mold and blocking the chimney from breathing.

What is the best chimney Draught excluder?

Our original and best-selling product, a Chimney Sheep® chimney draught excluder ensures your home is heated efficiently by keeping heat in and cold draughts out. Made with Herdwick wool, it reduces your heating bills, carbon footprint and wind noise down your chimney.

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How do I stop the cold air coming in my fireplace?

Another great way to block cold air is with a chimney balloon or plug. These devices are placed above the throat damper and inflated to completely block air from coming down into your fireplace. Balloons are designed to be used only when a fire isn’t burning.

How do you seal a fireplace?

You can seal off an unused fireplace by installing wood or light-gauge metal framing, insulation and drywall over the entire wall or opening. If you intend on using it in the future, install an insert constructed out of 2″ rigid foam board glued to MDF. Seal around the insert using neoprene backer rod insulation.

What is a chimney Draught excluder?

First up is getting a draught excluder: a handy device fitted inside the chimney or around the fireplace, to stop the warm air going up and the cold draughts coming in. This is your cheapest option, with prices starting at around £15. And you will soon make the money back.

How do I stop my old chimney from sweating?

Apply a salt neutraliser and replaster Then, you will need to apply a salt neutraliser before replastering. For further protection in preventing condensation and damp forming in your chimney, you can also apply a damp proof membrane. These work by stopping moisture and salts from permeating into your wall.

Does a bricked up fireplace need a vent?

Ventilation needs to be provided to the chimney space to avoid moisture collecting on the soot and smoke deposits within the chimney and forming damp areas, this can easily be achieved by building in an air-brick as the fireplace opening is bricked up.

What can I block my chimney with?

Couple of ways, either use light weight blocks or stud board and skim. Whichever way make sure you install a vent, and fit a rain guard on the chimney pot. This will stop water getting in and keep stack aired.

How can I make my chimney draw better?

1. Start with a Hot, Fast Fire. Starting a cold wood stove with a hot, fast fire will get the draft going the quickest. …
2. Burn Extremely Low Moisture Wood. …
3. Improve Airflow Around the Fire. …
4. Warm the Chimney Flue. …
5. Provide Enough Air to Replace the Air That is Lost.

Do chimneys let cold air in?

Using a Fireplace Draft Stopper A fireplace is a huge source of drafts from the cold outdoors. A chimney can act as a wind tunnel even when the damper is closed, sucking cold air down into your home through the fireplace opening. A fireplace draft stopper is an efficient way to prevent this from happening.

Do chimneys let heat out?

Having an open chimney is like leaving a window open all the time. This holds true in the winter, when the chimney is a conduit to let precious centrally-heated air out, and in the summer when the weather is uncomfortably hot, the chimney lets hot air into the home.

How do you know if your chimney is dirty?

1. Your fireplace smells like a campfire. …
2. Fires burn oddly. …
3. It takes more effort to get a fire going and keep it going. …
4. Smoke fills the room. …
5. The fireplace damper is black. …
6. Fireplace walls have oily marks. …
7. There’s evidence of animals.

Why is my fireplace so drafty?

Often, the source of cold air coming from the fireplace isn’t an issue caused by the fireplace. … If the home is desperate for replacement air being lost to the Stack Effect or inside air is being consumed for other needs, outside air will be forced past the damper and glass doors causing the unwanted drafty fireplace.

What is a chimney balloon or stopper?

The Chimney Balloon is an inflatable fireplace draft stopper. Inflate into place in the fireplace flue just above the damper. It makes an airtight seal that blocks outside air and chimney odor from entering your home.

Can you use a chimney balloon with a gas fire?

The Chimney Balloon is a temporary blockage that would fall out if the gas fire was lit. If you do decide to use one to block a chimney for a gas fire, we recommend that you use it with extreme caution, making sure the warning tag is visible.

What is chimney damper?

A chimney damper prevents conditioned (warmed or cooled) house air from escaping through the flue when you’re not using the fireplace. You need to open the damper when you start a fire to allow for proper airflow and let the smoke out.

Should I waterproof my chimney?

As a result, chimney masonry should be protected from exposure to water. That’s why many chimney professionals recommend homeowners apply a waterproof sealer to protect the chimney from water damage. … So for optimum performance, waterproofing should be re-applied every five years.

How do I waterproof my chimney?

Masonry caulking can be used to seal small cracks. It is also advisable for homeowners to make their brick chimneys watertight at least once every couple of years by using a garden sprayer to apply a silicone-based sealer.

What is chimney flashing?

Chimney flashing is a type of roof flashing that creates a waterproof seal to protect your chimney and roof from water damage and penetration. … Step flashing is an L-shaped piece of metal that lies under the roofing shingles and along the brick of your masonry chimney.