STI Damage Stoppers and protective covers guard horn/strobes, speakers, smoke detectors, motion detectors, exit signs, and other fire alarm notification appliances against vandalism, accidental damage, and tampering. Available in polycarbonate and steel wire mesh (Web Stopper) configurations for wall and ceiling mount applications.

Also includes Break Glass Stoppers, Exit Stoppers (door alarms), fire extinguisher theft stoppers, and Mega Stoppers for oversized equipment.