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UL 555C ceiling radiation damper for wood truss construction, rated up to 1 hour. Listed in UL Fire Resistance Directory for code-compliant floor/ceiling installations.

UL 555C ceiling radiation damper for wood truss construction, rated up to 1 hour. Listed in UL Fire Resistance Directory for code-compliant floor/ceiling integration.

UL 555C ceiling radiation damper for wood joist construction. Listed in UL Fire Resistance Directory for code-compliant installation in rated floor/ceiling assemblies.

UL 555C ceiling radiation damper limiting radiant heat through membrane penetrations in fire-rated floor/ceiling assemblies up to 3 hours, preserving rated assembly integrity.

ETL Listed ceiling radiation damper limiting radiant heat through membrane penetrations in fire-rated floor/ceiling assemblies up to 3 hours, preserving assembly integrity.

UL 555C ceiling radiation damper limiting radiant heat through membrane penetrations in fire-rated floor/ceiling assemblies up to 3 hours, maintaining assembly integrity.

Round ETL Listed ceiling radiation damper limiting radiant heat at circular duct penetrations in fire-rated floor/ceiling assemblies up to 3 hours, preserving assembly integrity.

Curtain-style UL 555C ceiling radiation damper limiting radiant heat through membrane penetrations in fire-rated floor/ceiling assemblies up to 3 hours, preserving system integrity.

Round UL 555C ceiling radiation damper with UL 555S Class I leakage. Provides radiant heat protection and low-leakage smoke control in rated floor/ceiling duct penetrations.