Safety Technology International

Safety Technology International is STI, a manufacturer of protective covers and damage-prevention products. It is best known for protective covers and guards.

Safety Technology International's product range includes protective covers, stopper domes, and pull-station and switch guards.

STI makes clear protective covers and guards that shield pull stations, switches, thermostats, alarms, and other wall devices from physical damage, vandalism, and accidental or false activation, while still allowing legitimate use.

Safety Technology International hardware is specified for protecting alarms, switches, and devices from damage, tampering, and false activation.

Yes. Safety Technology International products are made for commercial use and, where applicable, carry applicable protective-device standards. Confirm the specific model's listings against the opening's fire, smoke, accessibility, or security requirements.

Match the cover to the device's dimensions and mounting (flush or surface), whether you need a sounder or weatherproof version, and indoor versus outdoor use. STI lists covers by device type to make selection straightforward.

Yes. National Lock Supply is a stocking distributor of genuine Safety Technology International protective covers and guards, with competitive pricing, real-time availability, and expert support to help you specify the right part. Browse the full Safety Technology International line or contact us for project quotes and cross-references.