Security Door Controls Blog

Since SDC launched QuietDuo™ we’ve been “quietly” leading in electric latch retraction (ELR) upgrades for access control.

Check out our selected 3rd Quarter featured products!

This post is the third in a series to address concerns expressed on our social media platforms regarding the proper application of Delayed Egress Systems.

SDC’s 1581S series mini delayed egress locks are designed to meet the needs of facilities that require a less expensive delayed egress lock.

This post is the second in a series to address concerns expressed on our social media platforms regarding Delayed Egress Systems.

This post is the first in a series to address concerns expressed and to provide clarity and resources regarding Delayed Egress systems.

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.

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.