Security Door Controls Blog

In tribute to America's hard workers, SDC will be closed on Monday, 9/4 and open again on Tuesday, 9/5.

SDC’s SureExit® is still the only tri-failsafe request-to-exit bar and the only egress device utilizing pressure sense technology!

With a second-to-none complementary offering of mounting brackets, kits and hardware, EMLocks can meet virtually any application.

Check out our selected 3rd Quarter featured products!

In observance of Independence day, SDC will be closed on Tuesday, 7/4, and open again on Wednesday, 7/5.

Download new Price List 22 now. Pricing effective August 28th, 2023. Order by July 14th to lock in 2023 pricing.

Art Geringer was born 100 years ago making June 10th a significant event in our company history and in the access control and door hardware industry.

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.

SDC’s 1581S series mini delayed egress locks are designed to meet the needs of facilities that require a less expensive delayed egress lock.

In the memory and honor of so many, SDC will be closed on Monday, 5/29 and open again on Tuesday, 5/30.