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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for 8"X32" Chimney Flue – Chimney Sheep Fireplace Draft Stopper Plug Replacement Damper Fireplace Tool – Better Than Inflatable Pillow or Balloon–Save Energy Block Odor & Debris

Product ID: 199958372

🌿100% natural Herdwick wool

📏Fits 8"x32" flue, trims to size

🔥Blocks drafts, odors & debris

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€ 235.96

Duties & taxes included

In stock

Sold byAmazon CyprusDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔥 Seal the warmth, block the chill — your fireplace’s best-kept secret!

ENERGY SAVER PRO - Keeps warm air in and cold drafts out, paying for itself in one heating season
ECO FRIENDLY WARMTH - Made from dense, renewable Herdwick wool imported from England
PERFECT FIT EVERY TIME - Pressure fits 8"x32" flues, trims easily for custom sealing
HASSLE FREE INSTALLATION - No more balloons or pillows—just insert and remove with ease
MULTI BARRIER PROTECTION - Blocks drafts, odors, noise, and debris for a cleaner, cozier home

The Chimney Sheep Flueblocker for 8"x32" chimney flues is a durable, natural wool draft stopper that pressure fits and trims to size, effectively blocking drafts, odors, noise, and debris. It’s easy to install and remove, eco-friendly, and can save energy costs by keeping your home warmer during heating seasons.

Specifications

ASIN	B019736TCS
Batteries required	No
Customer Reviews	4.3 4.3 out of 5 stars (413)
Is Discontinued By Manufacturer	No
Item Weight	1.2 pounds
Item model number	FB8x32
Manufacturer	Chimney Sheep
Product Dimensions	33 x 9 x 1 inches
Warranty Description	1 year limited warranty.

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