This Old House - MONEY SAVER: Many dampers don't close tightly when the fire's out. A reusable inflatable plug, such as the Chimney Pillow Fireplace Draftstopper ($55-$110; batticdoor.com), seals when you need
Build a Fireplace Insert Draft Stopper - Pretty Handy Girl
Fireplace Plug 16 in. x 38 in. Rectangular Fireplace Plug Rectangular Fireplace Plug BRK-FP-05-01 - The Home Depot
Cheapest way of making a Chimney Draught Stopper - YouTube
Fireplace Plug 16 in. x 38 in. Rectangular Fireplace Plug Rectangular Fireplace Plug BRK-FP-05-01 - The Home Depot
Using A Chimney Pillow - Installation And Benefits
Amazon.com: Chimney Balloon 21x10 Max 2-Ply Inflatable Chimney Pillow Fireplace Draft Stopper, Fireplace Cold Air Blocker, Works Better Than a Chimney Flue Cover Plate Damper as a Fireplace Blocker : Home &