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Covers Polycarbonate

STI’s protective covers and polycarbonate cases provide durable defense against vandalism, accidental damage, and environmental wear. Designed for high-traffic and high-risk areas, these tough enclosures help safeguard fire alarms, emergency buttons, and other critical devices. Ideal for construction contractors, building maintenance supervisors, and more, STI’s solutions extend equipment lifespan, reduce maintenance costs, and ensure reliable operation in demanding environments.

Polycarbonate cover

Choose by size:

Universal Stopper featured product model

Universal Stopper®

Helps Prevent Malicious or Accidental Damage
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Stopper II featured product model

Stopper II®

Helps Prevent False Fire Alarms
Products:22
Features:
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Weather Stopper featured product model

Weather Stopper®

Helps Prevent False Fire Alarms
Products:20
Features:
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Colors:
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Fire Environmental Enclosures featured product model

Fire Environmental Enclosures

Helps Prevent False Fire Alarms
Products:5
Features:
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Polycarbonate Enclosure featured product model

Polycarbonate Enclosure

Helps Protect Devices Against Vandalism
Products:13
Colors:
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NEMA Protective Cabinets featured product model

NEMA Protective Cabinets

Helps Guard Against Vandalism
Products:6
Colors:
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Heated Enclosures featured product model

Heated Enclosures

Helps Protect Against Damage and the Elements
Products:14
Features:
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Strobe Damage Stopper featured product model

Strobe Damage Stopper®

Helps Stop Vandalism and Accidental Damage
Products:7
Colors:
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Smoke Detector Damage Stopper featured product model

Smoke Detector Damage Stopper®

Helps Stop Vandalism and Accidental Damage
Products:4
Colors:
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Protective Cabinets featured product model

Protective Cabinets

Helps Guard Against Vandalism and Damage
Products:2
Colors:
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Protective Cabinets with Alarms featured product model

Protective Cabinets with Alarms

Helps Guard Against Vandalism and Damage
Products:8
Features:
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Single-Gang and Bopper Stopper Protective Cover featured product model

Single-Gang and Bopper Stopper® Protective Cover

Helps Protect Against Vandalism and False Activation
Products:18
Colors:
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Thermostat Protector  featured product model

Thermostat Protector

Helps Prevent Misuse and Tampering
Products:5
Colors:
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Stopper Dome featured product model

Stopper® Dome

Helps Prevent Vandalism and Misuse
Products:14
Features:
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Keypad Protector featured product model

Keypad Protector

Helps Prevent Misuse and Tampering
Products:9
Colors:
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MED Protective Cabinets featured product model

MED Protective Cabinets

Helps Protect Against Abuse, Theft and Misuse
Products:3
Features:
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Bio Protectors/Snooper Stopper featured product model

Bio Protectors/Snooper Stopper®

Helps Prevent Abuse and Damage
Products:6
Colors:
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Euro Stopper Multi Kit featured product model

Euro Stopper® Multi Kit

Helps Prevent False Fire Alarms
Product:1
Features:
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Colors:
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Call Point Stopper featured product model

Call Point Stopper®

Helps Prevent False Fire Alarms
Products:12
Colors:
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