Language and International site

Universal Stopper® Cover Flashes when Activated

Indoor/outdoor polycarbonate cover aids in preventing false fire alarms.

View Products

Unauthorized use of devices or doors?

Highly effective units alert visually and/or audibly when activated.

View Products

Need a bigger or smaller waterproof cabinet?

Polycarbonate or Fiberglass lockable enclosures help protect from weather, vandalism, tampering and theft.

View Products

Unauthorized exits or entries through a door?

Protect and monitor the use of exit doors with the newly redesigned Exit Stopper®.

View Products

Stolen or misused fire extinguisher?

Extinguisher Theft Stopper® prevents theft or misuse of fire extinguishers.

View Products

Smoke detector abuse?

Steel Web Stopper® prevents damage through vandalism to smoke detectors.

View Products
  1. Flashing Cover
  2. Select-Alert Siren/Strobe
  3. Waterproof Enclosures
  4. Exit Door Alarm
  5. Fire Extinguisher Alarm
  6. Heavy-Duty Cages

Rely on STI®

We protect the things that protect you.®

Safety Technology International, Inc. is a manufacturer of fire, safety and security products that help deter false fire alarms, prevent theft and minimize damage to building equipment. Our innovative cages, covers, alarms and custom buttons are found in commercial and industrial environments worldwide. STI is focused on preventing false alarms, theft and vandalism through solution-based security protection products.

Find a cover for your device


We Reduced False Fire Alarms


In the past we have had a problem with kids pulling manual pull station alarms at a large local sports arena. But the problem stopped after installation of STI Stopper II units.


Don MCDurmon, Stopper II® Testimonial Plymouth Community Fire Department

view/submit testimonials ›

Trade Shows

SICUR 2020

February 25 - February 28, 2020
IFEMA , Madrid
Booth 4A02

see all trade shows ›

STI News

eNews Signup

Provide us your email and we’ll send you our bi-monthly enewsletter.

False fire alarms and the theft and vandalism of protection devices can be a serious issue, compromising safety as well as costing money. STI has been producing safety technologies that help prevent false fire alarms, theft and vandalism for over forty years. We now market more than 1000 products worldwide. Our range includes fire alarm protection devices, stopper covers and enclosures, heavy-duty cages, buttons and switches, and security protection products.
Contact us now to discuss how we can solve your specific problems.

Join Our Newsletter