Chimney Flue Damper Repair

Replacement fireplace dampers seal at the chimney top.

Chimney flue damper repair.

Remove the fixings using the wrench. It is shut when the fireplace is unlit to prevent cold air from entering the home. A damper is located in the chimney flue 1 to 2 feet above the fireplace opening. Top sealing dampers are only accessible from the roof.

We are qualified to perform all types of chimney repairs including damper replacement firebox rebuilds and repairs interior chimney repairs and chimney cap installation. The most common chimney damper repair occurs with old cast iron or steel throat dampers which were installed when the chimney was originally constructed. After years of constant exposure to heat ashes and moisture many fireplace dampers will become stuck warped or inefficient. We can provide a top damper that fits into a flue cap.

This is fixed to the chimney with four nuts. Dampers are used to cut off airflow to and from the flue. If the damper at your masonry fireplace has been lost rusted away cracked or is otherwise missing or damaged beyond repair it may be possible to install a chimney top damper to achieve the same fireplace and draft controls you need to avoid sending building heat up the chimney unnecessarily. Chimney top sealing fireplace dampers save energy prolong chimney life and protect your home from insects and animals.

Traditionally there are two different types of fireplace dampers. This stainless steel damper easily opens and closes with a spring loaded pull chain that s mounted on the firebox wall. Throat dampers are located directly inside the lower chimney flue whether it is a fireplace or a furnace and are easily accessible. You should then be able to twist the damper so that it comes off the rod.

A throat damper which is the most common is located just above the firebox inside of the chimney flue. 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. Traditional dampers throat bottom closing are located between the firebox and the smoke chamber and are usually made of cast iron. A chimney without a damper is costing you money as much as 30 of your heat and air conditioning can go up the chimney.

The damper will now need to be removed there should be a metal rod attached to the damper. A flue damper is a metal plate inside a fireplace chimney. When the fireplace is lit the damper must be open to release the smoke.