STI 8171 Steell Web Stopper Mounting Blackplate for STI 8100 and STI 8200 Series

Built to deliver dependable protection and fast installation for commercial fire and security systems, the Safety Technology International STI 8171 mounting plate is a robust mounting device for smoke detectors. Designed for unstable or uneven surfaces and outdoor or weather-exposed applications, this detector mounting plate stabilizes and secures your detectors to reduce false alarms and maintenance calls. Constructed from impact-resistant polycarbonate (PC) with steel reinforcement, the STI 8171 resists environmental wear while providing tamper-resistant security where it matters most. At 8.3 in x 8.3 in the backplate offers a broad footprint for reliable support and is purpose-built for compatibility with STI 8100 and STI 8200 series detector covers and models. Ideal for campuses, retail, transportation hubs and industrial facilities integrating fire monitoring with security and surveillance systems, the STI 8171 helps maintain uninterrupted protection and cleaner, professional installations. Add the STI 8171 to your next procurement to improve detector stability and reduce service calls—contact sales or order online to secure your monitoring network today.

• Provides secure, tamper-resistant mounting to protect smoke detectors in high-traffic or public areas
• Stabilizes installations on uneven or weather-exposed surfaces for reliable long-term performance
• Durable polycarbonate and steel construction resists impact, UV and environmental wear for reduced maintenance
• Universal compatibility with STI 8100 and STI 8200 series simplifies procurement and installation
• Quick, low-profile installation minimizes downtime for security, surveillance and facility monitoring systems