Chimney Throat Damper Installation

Once you have the liner ovalized install that end first down the chimney flue.

Chimney throat damper installation.

Repairing a throat damper step 1 cleaning out the fireplace. Clean out the entire fireplace before you begin. Take a steel brush or a handheld whisk broom and clean the damper and the area around it. Top sealing dampers when replacing your existing damper a product now available on the market is called a top sealing damper where the damper is actually located at the top of the chimney controlled by a cable that reaches down the chimney which prevents heated air in the winter from being lost up and out of the chimney.

The larger the fireplace opening the larger the flue. Leave a minimum of 1 4 between damper and masonry for expansion and contraction of damper. Here s what you can expect a throat damper to look like. Remove all ashes from the firebox.

Modern insulation often makes the house so air tight that the fire does not have sufficient air for combustion. A traditional fireplace damper will usually be positioned just inside the base of the chimney called the throat of the chimney at the top of the fireplace. Throat dampers are located inside of the chimney above the firebox and use a metal plate as a seal. When the fireplace is not in use the damper should be turned in the shut or closed position to prevent the cold air from entering into the room or the home.

One type of replacement is to install a top mount damper which has some advantages over the throat damper. Provide a cast iron damper cast iron ash dump and cast iron cleanout door for permanence. This cost estimate deals with the replacement of a fireplace throat damper door and frame if. Often times if these are installed in a chimney homeowners will install a top.

Step 3 removing the damper. A top sealing damper is installed over the chimney top and it creates a secure lid that effectively prevents an air exchange through the chimney. On nov 20 2018 a fireplace damper usually located at the very bottom of the chimney will keep the warm air in the room from escaping from the home. Knoxville homeowners can contact four seasons fireplace chimney for traditional throat damper repair though damper replacement is sometimes the better option.

Step 2 cleaning the damper. This allows the damper to be hidden from away from view but also easily accessible from within the fireplace.