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Our patented EMLocks® with modular assembly makes them easy to stock, install, upgrade and maintain. SDC electric strikes accommodate a variety of mechanical locksets, door and frame styles.Shop Now
Control Exit Perimeter Doors
Stop theft, control pedestrians in public facilities, control wandering patients, and guard against infant abduction.
Delay exit for 15 or 30 seconds while being alerted to unauthorized egress. Shop Now
Upgrades for Access Control
All SDC ELR products use motorized technology to provide both latch retraction and dogging and are powered with the built-in 1 Amp+ power supply, standard with SDC's auto series low-energy operators.Shop Now
Getting to Know SDC
SDC is the door control
opening expert with more than 40 patents and 20+ active trademark brands. SDC's
locking systems can be found in any application where access control of a door is
required. SDC offers savings through:
• Lower installation costs
• Fewer callbacks, increased longevity
• High-touch service that only a family-run
enterprise can provide
Download our code-compliant access control security solutions for commercial buildings and vertical markets to ensure safety, security and code compliance.
See the interactive toolbox to help you find SDC Access and Egress Control product details including how to install, system design ideas and more.Learn More
DoorSnap® For Retrofits
Use the free SDC Security App with DoorSnap™ on your
smartphone, send a pic and receive a SDC Access and
Egress Solution. Learn More
Free SDC Smartphone App
Download the free SDC Security App from Google Play or the Apple store and use all the interactive resources of the website on your tablet or smartphone. Learn More
Learn more about the SDC Difference
From an overview of our access & egress solutions, to solving access control power issues, to meeting compliance with SDC products, there’s a brochure to help with your door project.
Door Control Catalog
SDC is the bridge from mechanical access control to code-compliant electrified security systems. See why we’re the Door Control Opening experts.