A chimney balloonis used to close off the flue closed when the unit isn t operating.
Chimney air block.
The center hole allows you to install chimney liner not included.
Concrete chimney block is used chimney flue.
Concrete chimney block measures 16 in.
Openings shall not permit the passage of spheres having a diameter greater than 1 2 inch 12 7 mm nor block the passage of spheres having a diameter less than 3 8 inch 9 5 mm.
The damper inside the chimney just above the firebox or area where a fire is built helps keep cold air birds and animals out when the fireplace is not in use.
The chimney balloon is a inflatable blocker that prevents drafts from a chimney caused by a broken warped or missing flue damper.
Made from concrete for strength and durability.
The chimney balloon stops this heat loss by acting as a chimney stopper to insulate your fireplace and save you money heat and comfort.
And accepts an 8 in.
The lightweight 16 in.
Chimney balloon fireplace dampers air seal the fireplace to stops cold drafts bugs birds bats and chimney smells from entering your house.
It even works in chimneys that have no damper.
The spark arrestor shall be accessible for cleaning and the screen or chimney cap shall be removable to allow for cleaning of the chimney flue.
The center hole allows you to install chimney liner not included the block is uniform in shape color and texture.
It fits into the chimney just above the firebox and you simply inflate it to block the air passage.