SDC pioneered the revolutionary delayed egress locking category to the industry in 1985 before patenting and launching ExitCheck® 1511S series in 1995 – the world’s first delayed egress lock to integrate a visual digital display, verbal countdown and alarm tone, alternating verbal message and door release indicator.

Stop Theft, Control Pedestrians in Public Facilities & Airports, Control Wandering Patients, Guard Against Infant Abduction.

MLR Mortise Locksets are designed for the access control of openings in commercial, industrial and institutional facilities where code compliance, dependable operation and resistance to physical abuse is required.

The WPT eliminates unsightly, exposed wires across the door gap that are susceptible to vandalism or breakage thru use.

IPPro Series offers you the flexibility of controlling a single door directly from the board on any browser

Get to know our new Product - the IPPro and learn about PoE Capable Access 

Mauricio Lainez introduces the IPPro Starter Kit

Introducing the Auto EntryControl™, SDC's Low Power Swing Door Operator

Protect Your Investment

Stand alone digital keypads designed to control access of a single entry point for facilities with up to 500 users.

The E75 is the perfect solution for your access control needs! This video will tell you why.

Find the answer in this video! Information about the entire line of SDC's Delayed Egress products, with introduction to the NEW S6000-101 Delayed Egress All-In-One Exit Bar.

SDC's ExitCheck® S6000-101 All-In-One delayed egress panic and fire exit device is available in rim mount, mortise and vertical rod configurations

Learn about SDC's Wall Mount Delayed Egress Controller

Features and operation of the 1511S Delayed Egress Emlock®

Features and operation of the 1511S Delayed Egress Emlock®

Electric Latch Retraction Kits, No Touch Wave-to-Exit Switch

Access/Delayed Egress Controller, Power Transfer Hinge

Access Control Power Supply & Door Controller with 14 Modes

A highly visible multi-color signal device, that interfaces with Delayed Egress or standard EMLocks and can be used as a wall, ceiling, or frame mount indicator

Code compliant SELECTRIC™ electric mortise locksets stay latched even when unlocked, maintaining fire door integrity and eliminate the need for surface magnetic locks and REX hardware.

Electrified Locksets Product Review presented by Brent Maynard

The HiTower Advantage®: Frame Actuator Controlled Locksets Product Overview

Twenty Five SDC Emlock illustrations show different door installation applications, including single magnetic locks and double magnetic locks

Spectra Series S6000 Exit Devices Product Review presented by Brent Maynard

Egress Bar & Exit Device Switch Kits presented by Brent Maynard

Magnetic Door Holders Product Review presented by Brent Maynard

EMLOCK Product Preview by Brent Maynard

SDC has been in business for over 40 years, providing the Access Control 

SDC has been in business since 1972, providing high quality door hardware to the industry 

Code Compliant Physical Electronic Security Made Easy

SDC provides not only exceptional quality access control, but also offers extensive system design services to help you with all aspects of your projects. 

Security Door Controls - One Brand for Compatibility, Ordering Ease, Live Support

Getting an Electrified Access & Egress Solution is now easier than ever with DoorSnap™, part of the SDC App.