Ceiling Radiation Dampers To protect penetrations through fire rated floor/ceiling or roof/ceiling assemblies, Leader  has a complete selection of U.L. approved ceiling radiation fire dampers.        With the addition of the adjustable volume control feature, these dampers can also function as air volume control devices.

Several other optional features such as extended frames for the top, bottom, or both and the thermal insulating blankets are readily available.

Available in nominal sizes,(-1/4") or actual sizes with 165°(standard) or 212° fire links.