Security Door Controls Blog

Discover SDC's latest access control solutions, including motorized latch retraction locksets and ADA-compliant door operators, at the IML Security Expo in Salt Lake City.

Discover the latest in failsafe security with SDC EMLocks®—easy to install, ANSI grade 1 compliant, and built for long-lasting reliability. Learn more on our blog today!

Come visit us at ISC West 2025, booth # 21109! Since 1972, SDC's products have been made in America while most of our larger competitors build overseas.

Since 1972 SDC products have been Designed, Engineered and Built in America. Visit Booth#21109 to checkout some of SDC's popular products.

DoorSnap makes Electronic Access Control Upgrades for door openings easy.

Discover the evolution of delayed egress solutions pioneered by SDC, offering flexible, customizable security for various applications since 1985.

SDC’s U.S. factory and lean manufacturing enhance product quality, reduce lead times, and comply with the Buy American Act for superior access control solutions.

Discover how Security Door Controls' electric latch retraction solutions enhance security, offering efficient, quiet operation and easy retrofitting for existing systems, ensuring seamless access control.

We’re building more components in-house to diminish supply chain issues, increase quality control and reduce lead times.

We’re building more components in-house to diminish supply chain issues, increase quality control and reduce lead times.