Provide a cast iron damper cast iron ash dump and cast iron cleanout door for permanence.
Chimney throat damper installation.
Leave a minimum of 1 4 between damper and masonry for expansion and contraction of damper.
Remove all ashes from the firebox.
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.
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.
Take a steel brush or a handheld whisk broom and clean the damper and the area around it.
Here s what you can expect a throat damper to look like.
Once you have the liner ovalized install that end first down the chimney flue.
Knoxville homeowners can contact four seasons fireplace chimney for traditional throat damper repair though damper replacement is sometimes the better option.
Repairing a throat damper step 1 cleaning out the fireplace.
Common products used in installation rock flex stainless steel chimney liner kit.
This allows the damper to be hidden from away from view but also easily accessible from within the fireplace.
Throat dampers are located inside of the chimney above the firebox and use a metal plate as a seal.
Clean out the entire fireplace before you begin.
The larger the fireplace opening the larger the flue.
Step 3 removing the damper.
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.
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.
Step 2 cleaning the damper.
Often times if these are installed in a chimney homeowners will install a top.
Modern insulation often makes the house so air tight that the fire does not have sufficient air for combustion.
This cost estimate deals with the replacement of a fireplace throat damper door and frame if.
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.