Different Types of Chimney and Fireplace Dampers - Expert Guide
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  • Differences in Fireplace Dampers

    Differences in Fireplace Dampers


    We frequently get questions about what the difference is in fireplace dampers.

    Vestal Damper Color

    The old-fashioned fireplace dampers are usually installed when a masonry fireplace is built. It is usually made of cast-iron which means that eventually it can rust. If you look up the chimney you will usually see a long oval or rectangle metal opening. It will have either a “poker” type control that looks kind of like a fish-bone and has slots or may have a round knob that you turn to open the damper. When the damper is closed it forms a metal to metal seal.

    Fireplace Damper

    Chimney top dampers, like the Energy Top Damper, fit on the top of the chimney. A stainless steel cable drops down the chimney, attaches to a handle which secures into a bracket in the firebox when closed. These dampers are made of rust-proof cast-aluminum and stainless steel. Dampers like the Energy Top have a rubber “refrigerator style” gasket which provides for a tight seal. These dampers save on energy dollar.

    One more type of fireplace damper is found in factory-built fireplaces. These dampers are usually rectangular or round and are made of metal. They almost always have a metal to metal seal. To open them there is usually a handle in the top middle of the fireplace.

    If you have more questions please feel free to ask your chimney professionals when they are at your home. We will be glad to talk to you about your damper and any other concern you have regarding your fireplace damper. If you are having problems with your fireplace damper please feel free to check out our troubleshooting page. To contact us click here.

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