9.8 inches (25 cm) chimney draught excluder

9.8 inches (25 cm) chimney draught excluder

Q: 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.

Q: 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.

Q: 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.

Q: 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.

Q: 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.

Product ID: 728714177

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Details

Color
gray
Material
Wool & Wool
Brand
Flueblocker
Manufacturer
Flueblocker
UPC
700115980159

🌿Natural Herdwick wool blend from England lambs

🔥High-density wool for superior heat resistance

🛠️Fits 8" & 9" round flues for versatile installation

Frequently Bought Together

Flueblocker to Plug a 8" or 9" Round Chimney Flue – Chimney Sheep Wool Wood Stove & Fireplace Draft Stopper Plug Excluder – Save Energy Block Smell & Debris – Better Than Inflatable Pillow Balloon

Flueblocker - 6" Extension Rod for Round Handle

Description

🔥 Keep your cozy vibes locked in, winter-proof your space!

ECO FRIENDLY INSULATION - Made from sustainable Herdwick wool blend
TAILORED FIT FOR YOUR FLUE - Designed to snugly fit 8" and 9" round chimney flues
EFFORTLESS DIY INSTALLATION - Simple to install without professional help
SEAL IN WARMTH SEAL OUT DRAFTS - High-density wool pad blocks cold air and heat loss
SAFE FOR WOOD STOVES FIREPLACES - Compatible with most wood-burning setups (not gas vents)

The Flueblocker chimney draught excluder is a 9.8-inch high-density wool pad designed to fit 8" and 9" round flues. Crafted from natural Herdwick wool blend sourced from English lambs, it effectively seals chimney flues to prevent heat loss and drafts. Lightweight and easy to install, it’s ideal for wood stoves and fireplaces, enhancing energy efficiency and comfort without the need for batteries or complex tools.

Specifications

Color	gray
Size	Fits 8" or 9" Internal diameter round flue
Manufacturer	Flueblocker
Material	Wool & Wool Blend
Item Weight	181 g
Product Dimensions	62 x 62 x 62 cm; 181.44 g
Package Weight	0.21 Kilograms
Batteries Required	No
Batteries Included	No

Have a Question? See What Others Asked

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

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

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

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

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

Common Questions

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Very reliable shop with genuine products. Will definitely buy again!

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Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

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