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Protective Cabinets, Covers and Enclosures

Did You Know?

Can’t hear your existing doorbell in your basement, garage, shed, etc. With wireless ease extend the chime to greater distances.

Extend Chime

Did You Know?

Polycarbonate is so strong it is used for “bulletproof” windows and other applications requiring great flexibility and strength.

Did You Know?

We have the most complete line of pneumatic buttons in the industry.

Pneumatic

Did You Know?

Stopper II has been helping stop false fire alarms for over 30 years.

Stopper II

About STI Protective Cabinets, Covers and Enclosures

Our range of lockable polycarbonate enclosures, bio protector covers and control panel enclosures are perfect for anti-vandalism and protection against accidental damage or the environment.

Strong and durable, all of our protective cabinets, covers and enclosures guard against both accidental and intentional physical damage.

The Stopper Line includes smoke detector covers and cages, heated cabinets, weatherproof enclosures, lockable polycarbonate enclosures and CCTV damage stoppers designed for anti-vandalism.