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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?
The Universal Stopper is made from the same material as football helmets - polycarbonate!

Universal Stopper
Did You Know?
Rex the Barking Dog Alarm can plug into a timer and only be on guard from 11:00 p.m. to 7:00 a.m.

Bark  Bark!
Did You Know?
Polycarbonate is so strong it is used for “bulletproof” windows and other applications requiring great flexibility and strength.

Featured Product

STI-13420CY
Universal Stopper® with Horn, Enclosed Back Box, Sealed Mounting Plate, Custom Label

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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.