Security Door Controls Blog

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.

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.

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.

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

Come to booth #208 and see how our proven Delayed Egress solutions have lead the industry since 1995 with the most choices available.

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.

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.