Round Ceiling Radiation Damper, 10 In Diameter

Ceiling radiation dampers are designed to protect penetrations through the ceiling membrane of fire resistive floor ceiling and/or roof ceiling assemblies. These products are tested and listed in accordance with UL Standard 555C.

• UL tested and labeled for protection of ceiling openings in fire-rate floor/ceiling assemblies with fire resistance ratings of 3 hours or less
• Diameter furnished approximately 0.25 in. under size