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STI
We Protect the Things that Protect You®
Rely on STI® for protective covers, cages, alarms and custom buttons for use in commercial, education, retail, public buildings and more.
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About STI
For 40+ years, Safety Technology International, Inc. has manufactured and globally distributed a wide range of fire, safety and security products that help protect essential building devices, prevent disruption in schools and public buildings, reduce false fire alarms, deter theft and minimize vandalism of critically important life safety devices.
Fire Safety Products
STI manufactures fire and safety protective products to help prevent vandalism, theft and false fire alarms. Variations are available for most applications.
Shop NowCabinets and Enclosures
NEMA 4X cabinets include AC/heat, a power distribution strip, filter fans and more. EnviroArmour® enclosures help protect important devices.
Shop NowWire Cages and Guards
Strong and durable steel wire cages help to protect smoke detectors, exit signs and other important equipment against vandalism and damage.
Shop NowButtons and Switches
Lockdown and emergency buttons available in six colors, with protective covers, a variety of labels and activation choices including weather-resistant and more.
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Featured STI Products
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Resources
Prevent Theft and Damage
Help prevent theft, vandalism and misuse of vital fire, safety and security equipment with STI’s reliable and time-tested protective products.
Learn MoreStop False Alarms
Protect against false fire alarms without restricting legitimate operation using STI’s range of protective covers.
Learn MoreRely on STI®
STI manufactures and distributes fire, safety and security products. STI helps prevent false alarms, deter theft and minimize vandalism of critically important equipment.
STI Product Catalogs
Looking for product information? Click here to find STI product catalogs and more.
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STI Install and Help Videos
Need additional product support? View STI’s videos for helpful tips and assistance with installation.
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STI Custom Products
Need a custom product? Build a product to your exact specifications. STI offers customizable options for covers, enclosures, cabinets, push buttons and more.
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STI Application Guides
Our App Guides help determine which STI products are suitable for use in schools, hospitals, offices, public buildings and more.
Learn moreBrand Videos
- G3/GF Buttons with Camera
- STI Product Overview
- Type 4X Protective Cabinet
- STI Access Control Switches
- Exit Stopper® Alarm Installed on a Door
- Universal Stopper® Protective Cover
- Motion Detector Damage Stopper® Installation
- Theft Stopper® Lanyard Installation
- STI Protective Covers, Cages, Alarms and Buttons
Comparison Features
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STI manufactures fire, safety and security products for applications in schools, universities, hospitals, correctional and mental healthcare facilities, offices, data centers, commercial buildings, government buildings, retail stores, mass transit hubs, airports, bus stations, gas stations, public buildings and more. STI offers a variety of products designed to prevent false alarms as well as misuse to fire and safety products, including stoppers, buttons, covers, cages, alarms, enclosures, switches, metal cabinets and more. UL Listed, ADA Compliant, weatherproof, environmental temperature controlled protection also available.