How do I determine the correct size for my fireplace flue?

Measure your flue's interior and choose a Flueblocker the same size or slightly larger. The wool pad pressure-fits and can be trimmed with scissors. Use the sizing guide to match your flue shape—round, square, or rectangular.

How difficult is installation? Do I need any special tools or supports?

Choose an install spot you can reach by hand. Measure with a tape or ruler. A narrow area above the firebox is ideal. For higher spots, use 6” handle extenders to place the wool pad securely.

Will the product completely block cold drafts, odors, and heat loss?

When fitted correctly, the FlueBlocker stops heating/cooling loss, drafts and odors from a dormant chimney. To eliminate odor, make sure you vacuum out all the ash from the firebox and seal any ash chute or outside intake attached to the firebox.

Which is right for my situation – a FlueBlocker or a Chimney Balloon?

The Flueblocker is a durable, reusable chimney plug that handles moisture and is ideal for long-term use. The Chimney Balloon offers a tight seal and a breakaway feature for safety if a fire is lit accidentally.

How durable is the material? Is it worth the price?

Chimney is harsh, moist, acidic environments. The Flueblocker uses coarse ionized Herdwick wool and durable resin hardware to seal air, wick moisture and resist odors. Chimney Balloons use a heat-reactive laminate to withstand chimney air conditions.

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Chimney Sheep 10 Inch Round Chimney Draught Excluder

Chimney Sheep 10 Inch Round Chimney Draught Excluder

Product ID: 56973148

Details

Brand
Chimney Sheep
Colour
Off-white
Material
Wool
Maximum gap fill
9.84 Inches
Product dimensions
25L x 25W x

🐑100% British Herdwick wool

🕒Installs in seconds, no tools needed

🌬️Blocks draughts up to 9.8 inches

€ 60.64

Duties & taxes included

In stock

Sold byAmazon SpainDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔥 Seal the warmth, ditch the chill 🐑

YEAR ROUND COMFORT - Keeps your room warmer and prevents soot, dust, and even birds from entering.
NATURAL WOOL BARRIER - Eco-friendly Herdwick wool blocks cold draughts while letting your chimney breathe.
PERFECT SIZE GUARANTEE - Choose the right size for a flawless seal—round, square, or oblong flues covered.
EFFORTLESS FIT REMOVAL - Fits snugly by hand in seconds with a handy reminder tag—no tools, no hassle.
SUSTAINABLE SOCIALLY RESPONSIBLE - Made in the UK with 10% profits supporting tree planting initiatives.

The Chimney Sheep 10 Inch Round Chimney Draught Excluder is a premium, breathable wool pad made from British Herdwick fleece that fits round flues up to 9 inches across. It blocks cold draughts and heat loss while allowing airflow to prevent damp, soot, and debris from entering your living space. Easy to install and remove by hand, it’s moth-proof, reusable, and supports environmental causes with 10% of profits donated to tree planting.

Specifications

ASIN	B00G48ESRS
Best Sellers Rank	27,065 in DIY & Tools ( See Top 100 in DIY & Tools ) 146 in Fireplace Accessories
Brand Name	Chimney Sheep
Colour	Off-white
Country Of Origin	United Kingdom
Customer Reviews	4.4 4.4 out of 5 stars (1,258)
Global Trade Identification Number	00700115980159
Included Components	Chimney Sheep 10 inch round chimney draught excluder
Item Dimensions L x W x Thickness	25L x 25W x 25Th centimetres
Item Highlight	For Round Flues Up To 9in Across, Breathable Herdwick Felt, Lifts Out in Seconds
Item Type Name	Chimney Draught Excluder
Item Weight	0.4 Pounds
Manufacturer	Chimney Sheep
Manufacturer Part Number	CA041
Material Type	Wool
Maximum Gap Fill	9.84 Inches
Model Number	CA041
Number of Items	1
Number of Pieces	1
UPC	700115980159 799493546323
Unit Count	1.0 count

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