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.

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.

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

Save time and money on multi-door projects with SDC's Access & Egress Control System Design Services, ensuring seamless integration and optimal performance with pre-built system wire diagrams.

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.

300+ SDC products are available for shipment within two business days.