Security Door Controls

SDC’s CODE COMPLIANT CLASSROOM LOCKDOWN SOLUTION provides Flexible Access & Lockdown Control without Barricades. SDC’s Classroom Lockdown Solution products are time-tested components providing both security and life safety. They provide specifically designed classroom security locking functions that allow users to quickly lock the door from either side and meet code requirements for free egress, fire protection and accessibility – without barricades. Since 1972 SDC products have been designed, engineered and built in America.