• No Barricades
    CODE COMPLIANT CLASSROOM
    LOCKDOWN SOLUTION
    Flexible Access & Lockdown Control
    without Barricades
  • SDC is complete access and egress solutions: the lock behind the system.
    SDC innovates the practical application of electricity to door openings for security and fire & life safety.
    It"s where we started over 40 years ago and it continues to be our singular focus today.