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  1. FIREDAMPER22

    FIRE AND SMOKE DAMPERS

    Does anyone know if a class 0 leakage fire and smoke damper exists ? I only know of class 1 thru 3 leakage ratings for fire and smoke dampers.
  2. FIREDAMPER22

    UL 555C fire dampers

    Lloyd Industries also carries fire dampers and offers incredible delivery time. They also can do some custom work.
  3. FIREDAMPER22

    UL 555C fire dampers

    Is anyone familiar with UL 555C as it relates to fire dampers ?

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