The STI9601 Stopper for flush fitted smoke alarms and the STI9602 for trunking mounted smoke alarms (check the dimensions further down the page) will stop vandalism, theft, accidental damage and tampering. Manufactured from 9 gauge galvanised steel with a white plastic coating, they are simple to remove for testing the alarm or detector.

With the threat of Fire Brigades charging for call-outs to fire alarm activations, STI Stoppers should be fitted in any areas where the risk of abuse or damage is severe such as care homes, landlord properties and warehouses.

A full range of steel Stoppers to fit detectors, sounders, emergency lights, clocks, motions sensors, CCTV and fluorescent lights is available on request by calling 0800 321 3145.

Suitable for schools, universities, care homes, sports halls and anywhere with a history of smoke detector damage or abuse

Fixing kit supplied

Product Data Sheets

ASTI9601 data sheet

Heavy duty 9 gauge galvanised steel - plastic coated
Stops vandalism, theft, tampering and accidental damage
Dimensions STI9601 max internal diameter 210mm - min int 150mm - int depth 70mm
Dimensions STI9602 max internal diameter 215mm - min int 155mm - int depth 108mm
Supplied with easy fixing kit - simple to remove for maintenance
Does not interfere with operation of detector
Suitable for interior or exterior use
Manufactured by STI