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Protective Cabinets, Covers and Enclosures

Did You Know?
STI made its way to Paris! Find our very own Stopper II in the Eiffel Tower.

Stopper II
Did You Know?
STI Exit Stopper has been used to keep a teenager from sneaking out of the house at night.

No Sneaking Out!
Did You Know?
To construct wire guards we borrowed from nature’s master builder, the spider, creating a patented web of protection.

wire webs
Did You Know?
You can search for a cover based on the dimensions of the appliance you need protected!

Find a Cover
Featured Product

STI-9102
Small Thermostat Protector Flush Mount with Lock

learn more

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.