Security Door Controls Blog

Upgrade your facility's security with SDC's Selectric® 7800PRO series, ensuring compliance, reliability, and enhanced fire safety for a seamless access control solution.

Join Security Door Controls (SDC) at GSX 2025, 29 Sept–1 Oct in New Orleans!

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.

On this day we remember the victims lost in one of our nation's most horrendous tragedies. We honor them, their families, first responders, civilian heroes, and all impacted by the events of 9/11. As Americans, we will never forget. 

Enhance your exit devices with SDC's QuietDuo™ LR100 Series, offering cost-effective, quiet, and reliable motorized electric latch retraction for seamless access control and safety compliance.

SDC will be closed on September 1st in honor and celebration of Labor Day. Labor Day is a national holiday that recognizes the efforts and achievements made by hard working Americans.

Explore SDC's White Papers for expert insights on access control solutions, installation tips, and industry news to enhance your security systems knowledge and business credibility.

Discover the versatility of SDC UR Series Door Controllers for simplified, effective access control, ideal for single to multi-door applications in various security scenarios.

Discover how Security Door Controls' products are now available on Comsense®, streamlining your access control hardware purchasing and project management.

Discover the enduring value of SDC's US-made access control products, highlighting our commitment to quality, innovation, and domestic manufacturing.