Security Door Controls Blog

SDC offers a variety finishes, including black, from our robust toolbox of code compliant products to form a turnkey solution for almost any door opening.

SDC’s ExitAnnunciator® EA100 series are multicolor signal devices that interface with delayed egress or standard EMLocks and many other brands.

SDC is a leader in Delayed Egress Applications having introduced the revolutionary category to industry in 1985 and patenting ExitCheck in 1995.

Check out our selected 2nd Quarter featured products!

Designed, Engineered and Built in America since 1972, while most of our larger competitors manufacture overseas. Come and see for yourself before the show ends!

Come to booth #21109 and see how our proven Delayed Egress solutions have lead the industry since 1995 with the most choices available.

We wish you a safe and Happy St. Patrick's Day this year!

SDC’s SureExit® is still the only tri-failsafe request-to-exit bar and the only egress device utilizing pressure sense technology!

Check out our selected 1st Quarter featured products!

Since 1972, SDC has manufactured popular electrified access control hardware that are Designed, Engineered & Built in America.