Flueblocker for 13"X35" Chimney Flue – Chimney Sheep Fireplace Draft Stopper Plug Replacement Damper Fireplace Tool – Better Than Inflatable Pillow or Balloon–Save Energy Block Odor & Debris

Flueblocker for 13"X35" Chimney Flue – Chimney Sheep Fireplace Draft Stopper Plug Replacement Damper Fireplace Tool – Better Than Inflatable Pillow or Balloon–Save Energy Block Odor & Debris

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: 715758002

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🐑100% natural Herdwick wool from England

📏Fits 13"x35" flue openings perfectly

🛠️Easy install & removal, no tools needed

Frequently Bought Together

Flueblocker for 13"X35" Chimney Flue – Chimney Sheep Fireplace Draft Stopper Plug Replacement Damper Fireplace Tool – Better Than Inflatable Pillow or Balloon–Save Energy Block Odor & Debris

Flueblocker for 16"X16" Square Chimney Flue - Chimney Sheep Fireplace Draft Stopper Replacement Damper Fireplace Plug - Better Than Inflatable Pillow or Balloon - Save Energy Block Odor & Debris

Description

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

SAFE USE GUIDELINES - Not compatible with active vented gas logs; must be removed before lighting your fireplace to ensure safety.
ENERGY SAVING DRAFT BLOCKER - Keeps warm air in and cold air out, potentially paying for itself in one heating season by reducing energy waste.
SUSTAINABLE DURABLE MATERIAL - Crafted from dense, renewable Herdwick wool that naturally blocks drafts, odors, noise, and debris without deflating or puncturing.
HASSLE FREE INSTALLATION REMOVAL - No more struggling with balloons or pillows—just slide it in above the firebox and remove easily when ready to use your fireplace.
PRECISION FIT FOR MAXIMUM EFFICIENCY - Designed slightly oversized (14"x36") to ensure a snug, draft-proof seal that you can trim for a perfect fit.

The Flueblocker is a premium, naturally renewable wool draft stopper designed to fit 13"x35" chimney flues. It creates an airtight seal that blocks drafts, odors, noise, and debris, improving home energy efficiency and comfort. Easy to install and remove without tools, it outperforms inflatable alternatives and is made from durable Herdwick wool imported from England. Note: Not for use with active vented gas log fireplaces.

Specifications

Product Dimensions	91.44 x 35.56 x 2.54 cm; 1.25 kg
Batteries required	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?

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