Chimney Throat Damper Installation

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

Chimney throat damper installation.

Clean out the entire fireplace before you begin. Step 3 removing the damper. This allows the damper to be hidden from away from view but also easily accessible from within the fireplace. These types of dampers aren t designed to seal as tightly and can also rust or corrode making them slide off track if they come in to contact with too much water.

Often times if these are installed in a chimney homeowners will install a top. 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. 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. Take a steel brush or a handheld whisk broom and clean the damper and the area around it.

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. Modern insulation often makes the house so air tight that the fire does not have sufficient air for combustion. Throat dampers are located inside of the chimney above the firebox and use a metal plate as a seal. 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. Common products used in installation rock flex stainless steel chimney liner kit. Knoxville homeowners can contact four seasons fireplace chimney for traditional throat damper repair though damper replacement is sometimes the better option. 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. After you have it through the damper re form the very end of the liner back to round with your hands so the connector will fit. Remove all ashes from the firebox. Step 2 cleaning the damper.

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. 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.