STI will be closed from December 24th – 26th and December 31st – January 2nd. Normal business hours will resume on January 5th, 2026.

New GF and G3 Series

Fire alarm, access control and intrusion detection working together

Learn More

GF fire alarm push button and G3 lockdown push button

Compare products and add to a saved list

Compare and My List Tools

Easily compare products or

create a shopping list to buy

Build It Configurator

Build it your way. Choose your button type, color, text, with or without cover.

Learn More

Wire Guard Damage Stopper®

Prevent damage to vape detectors and air sensors

Learn More

App Guides

View our newly updated product application guides

Learn More

Search for Products & Covers

Simply enter dimensions below to find a cover or cage to fit over your device

We Protect the Things That Protect You.®

STI is a manufacturer of specialty fire, safety and security products. Our products help deter false alarms and prevent theft and vandalism of smoke detectors, fire extinguishers and other essential fire and security equipment.

Our Products

Featured Fire Products

View All

Fire Pull Station Protectors

Protective covers help safeguard fire alarm pull stations, electrical switches, and other essential devices from accidental or intentional damage. Designed for durability, the pull station covers add a layer of protection against vandalism and false alarms while ensuring reliable operation of fire safety equipment.

View Sub-Category

GF Fire Alarm Push Button

Helps Identify Button Activation User

Features:

Colors:

Build Your Model

;

Fire Smoke Detector Guards

STI’s smoke detector cages provide durable protection against tampering, vandalism, and accidental damage. Designed to safeguard fire safety systems, these sturdy guards help ensure smoke detectors remain operational and reliable. Ideal for high-risk areas, each cage adds an extra layer of security without compromising performance.

View Sub-Category

Horn / Strobe / Speaker / Beacon Covers

STI’s covers and wire guards help protect fire alarm strobes, fire alarm speakers, and other essential devices from vandalism, misuse, and environmental damage. Designed for durability, these protective solutions ensure reliable operation while extending the lifespan of fire strobes and safety equipment in most environments.

View Sub-Category