Fireplace chimney draftstopper plug (round) - fits most metal, zero-clearance fireplaces. Need help?

Introducing the Chimney Balloon, also known as "The Chimney Pillow"—an innovative, inflatable draft stopper designed to seal your fireplace flue.

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. The 2 ply design is extremely durable …

The Chimney Balloon® is an inflatable fireplace blocker that prevents drafts from a chimney caused by a broken, warped, or missing flue damper. It stops heat loss by acting as a chimney …

Stops cold drafts, bad flue odors, bats, birds, and bugs from entering your home through the chimney Inflates wall to wall, so it creates a very tight seal as it conforms to the size and shape …

Jul 29, 2025 · The process involves fitting an inflatable device within a chimney flue. This device, typically made of durable, airtight material, effectively seals the opening. Its purpose is to …

Nov 11, 2025 · Complete guide to selecting, installing, and safely using a chimney balloon to stop drafts and boost your home’s energy efficiency.

The chimney draft balloon inflates tightly in the fireplace flue for an energy-saving seal that stops drafts, chimney odors, noise, bats, bugs and debris entry through your chimney. Use it above …

The fireplace balloon is easily deflated and removed when you are ready to use your fireplace. The Chimney Balloon chimney blocker creates a chimney seal that prevents the fireplace from …

Nov 12, 2025 · Although a chimney balloon is shaped more like a cushion than a party balloon, it is an inflatable device made of thin yet strong plastic. It's easy to use; you just place it inside …