Security Door Controls Blog

Discover the benefits of using premium, US-made, electrified locking devices. With over 35,000 door hardware components, SDC is The Lock Behind the System.

Learn tips for increasing power when designing or retrofitting for door access control for your worship facility.

Discover the advantages of motorized electric latch retraction in industrial exit devices, including cost-effectiveness and enhanced security. Explore the features of the SDC S4000 exit device and how it can optimize your facility's safety measures.

Learn why electromagnetic locks are highly reliable, long-lasting units compared to other electric locking devices and provide proven, failsafe security.

Come visit us at ISC West 2024, booth # 21109! Since 1972, SDC's products have been made in America while most of our larger competitors build overseas.

Discover the benefits of choosing premium locking devices made in the USA for enhanced security.

Explore the critical role that classroom door security plays in ensuring the safety of students and teachers in schools.

Explore the critical role that classroom door security plays in ensuring the safety of students and teachers in schools.

Come visit us at ISC West 2024, booth # 21109! Since 1972, SDC's products have been made in America while most of our larger competitors build overseas.

Discover how electrified options can revolutionize access control systems, enhancing both security and aesthetics.