Chimney Air Block

And accepts an 8 in.

Chimney air block.

It fits into the chimney just above the firebox and you simply inflate it to block the air passage. Square chimney block actual size 16 3 4 x 7 5 8 x 16 3 4 model number. Chimney balloon fireplace dampers air seal the fireplace to stops cold drafts bugs birds bats and chimney smells from entering your house. Concrete chimney block measures 16 in.

A chimney balloonis used to close off the flue closed when the unit isn t operating. 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. It even works in chimneys that have no damper.

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. 1796514 menards sku. The lightweight 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.

Concrete chimney block is used chimney flue. The chimney balloon stops this heat loss by acting as a chimney stopper to insulate your fireplace and save you money heat and comfort. The center hole allows you to install chimney liner not included the block is uniform in shape color and texture.