#28: I Have a Large Rectangular Damper that Pivots in the Middle. How Do I Plug the Flue?

Fireplace #28: Rectangle center-pivot butterfly damper

These high-up  center pivot rectangular dampers are not very common, and are usually on the two-sided fireplaces that have large fireboxes. Here are some of their characteristics:

• The damper is set over 2 feet above the firebox.
• The rectangular damper is almost as wide as it is long.
• There is rigid damper hardware below the damper to actuate the opening of the door.
• The smoke chamber narrows to a flue tile above the damper.

These fireplaces usually require a large square or rectangle custom made Flueblocker that is installed right above the firebox, and below the damper hardware. If you have this application call 608-467-0229 and talk with technical support. We will have you take a few measurements, and we can give you a quote and lead time on a custom Flueblocker.