STI products
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Add to Cart The item has been addedSTI STI-9644 Emergency Light Damage Stopper
Door frame–integrated protection for emergency lighting fixtures
- Wire cage mounts to wall or ceiling via six 1/4-inch anchors for secure fixture protection.
- Ships with six #10 plastic anchors and 1.5-inch pan-head screws for a self-contained install.
- Supports NFPA 101 and IBC compliance by keeping emergency lighting functional and impact-resistant.
Usually Ships in 2-3 Weeks Free shipping over $499$102.86 $101.99 Save $0.87 -
Save $0.36
Add to Cart The item has been addedSTI STI-9641 Emergency Light Damage Stopper
Steel-frame protective cage designed to shield emergency light fixtures from accidental impact and collision damage in access-controlled environments
- Steel-frame cage shields ceiling-mounted emergency lights from impact damage.
- Fits standard recessed and surface-mount housings; cage spans 16.57×16.25×14.47 in.
- Installs with six included #10 anchors into 1/4-in. ceiling holes; no electrical modification needed.
Usually Ships in 2-3 Weeks Free shipping over $499$89.35 $88.99 Save $0.36 -
Save $0.19
Add to Cart The item has been addedSTI STI-9640 Exit Sign Damage Stopper Lock
Protective steel cage designed to shield exit sign fixtures from intentional vandalism and accidental impact damage in commercial and institutional
- Gauge 9 welded steel wire cage shields exit signs from vandalism and impact.
- Polyester coating provides corrosion resistance in high-traffic corridors and stairwells.
- Quick-release design allows bulb replacement without full cage disassembly.
Usually Ships in 2-3 Weeks Free shipping over $499$64.18 $63.99 Save $0.19 -
Save $0.83
Add to Cart The item has been addedSTI STI-9637 Clock/Bell Damage Stopper 26.75" Diameter
26.75-inch-diameter wire guard enclosure that protects wall-mounted clocks and bells from accidental or intentional impact damage in institutional
- Stainless steel wire guard shields clocks and bells up to 24" diameter from impact.
- Mounts to wall with four fasteners, positioning cage 1.85" clear of the protected device.
- Fits assemblies up to 26.75" wide and 3.65" deep, covering standard institutional units.
Usually Ships in 2-3 Weeks Free shipping over $499$102.82 $101.99 Save $0.83 -
Save $0.71
Add to Cart The item has been addedSTI STI-9636 Clock/Bell Damage Stopper Protective Guard
Impact-resistant guard shields STI clocks and bells from damage
- 18-inch wire cage protects clocks and bells from impact and tampering
- Built for schools, commercial, and institutional high-traffic zones
- Custom-cage variant available - non-returnable, sized per project
Usually Ships in 2-3 Weeks Free shipping over $499$77.70 $76.99 Save $0.71 -
Save $0.76
Add to Cart The item has been addedSTI Clock/Bell Damage Stopper® 14.25" Diameter - - STI-9635-SS
14.25-inch diameter wire protective guard engineered to shield wall-mounted clock and bell assemblies from accidental or deliberate impact damage in
- Stainless steel construction resists corrosion in moisture-prone institutional environments.
- Open wire design preserves bell acoustics and full clock-face visibility after installation.
- Passive mechanical guard requires no wiring, provisioning, or controller integration.
Usually Ships in 2-3 Weeks Free shipping over $499$105.75 $104.99 Save $0.76 -
Save $0.69
Add to Cart The item has been addedSTI STI-9635 Clock/Bell Damage Stopper 14.25" Protective Cover
14.25-inch wire protective cage designed to shield standard institutional clocks and bell assemblies from accidental damage and deliberate tampering
- Shields clocks and bell assemblies up to 12" diameter and 3.65" depth from impact and tampering.
- Mounts over existing fixtures using four stainless-steel clamps and lag bolts—no device modification needed.
- Suited for high-traffic venues: schools, correctional facilities, transit stations, and public buildings.
Usually Ships in 2-3 Weeks Free shipping over $499$69.68 $68.99 Save $0.69 -
Save $0.59
Add to Cart The item has been addedSTI Clock/Bell Damage Stopper® - Red 10.5" Diameter
10.5" red protective enclosure for clock/bell systems with TCP/IP control
- Red 10.5" wire cage shields clock/bell units up to 12" dia. × 3.65" deep.
- High-visibility red finish aids quick asset identification across multi-zone facilities.
- Installs at four anchor points; kit includes mounting clamps and screws for wall or ceiling.
Usually Ships in 2-3 Weeks Free shipping over $499$68.58 $67.99 Save $0.59 -
Save $0.99
Add to Cart The item has been addedSTI Beam Smoke Damage Stopper® for Fireray 50/100R - STI-9624
Protective wire guard designed to shield Fireray 50/100R infrared beam detector units from dust accumulation and environmental debris
- Mounts over Fireray 50/100R units without beam realignment or conduit modification.
- Shields reflective mirrors and optics from dust, reducing nuisance alarms in high-particulate environments.
- Supports side, top, or bottom orientation for surface-mount and flush-mount detector configurations.
Usually Ships in 2-3 Weeks Free shipping over $499$46.98 $45.99 Save $0.99 -
Save $0.53
Add to Cart The item has been addedSTI STI-9622 Motion Detector Damage Stopper
Motion detector strike for forced-entry protection on access doors
- Gauge-9 steel wire cage shields PIR detectors from impact without masking the lens.
- Corrosion-resistant polyester coating suits indoor industrial and light-duty environments.
- Tool-free removal keeps routine detector maintenance fast with no permanent alterations.
Usually Ships in 2-3 Weeks Free shipping over $499$49.52 $48.99 Save $0.53 -
Save $0.99
Add to Cart The item has been addedSTI STI-9617 Beacon & Sounder Damage Stopper Strike
Protective wire cage guard designed to shield beacon and sounder units from vandalism, accidental impact, and environmental damage in controlled
- 9-gauge polyester-coated steel cage shields beacon/sounder units from impact and abuse.
- Compatible with STI-9614, STI-9615, STI-9664, and STI-9665 beacon and sounder families.
- Ships with mounting screws and anchors for fast wall-mount install in controlled indoor environments.
Usually Ships in 2-3 Weeks Free shipping over $499$46.98 $45.99 Save $0.99 -
Save $0.99
Add to Cart The item has been addedSTI STI-9615 Beacon & Sounder Damage Stopper
Protective wire guard designed to shield STI beacon and sounder units from vandalism, accidental impact, and operational wear in indoor access
- 9-gauge steel wire construction resists vandalism and accidental impact at high-traffic sites.
- Polyester-resistant coating protects the guard against corrosion and surface wear over time.
- Mounts with supplied screws and anchors—no special tools required for quick indoor deployment.
Usually Ships in 2-3 Weeks Free shipping over $499$46.98 $45.99 Save $0.99 -
Save $0.99
Add to Cart The item has been addedSTI STI-9614 Beacon & Sounder Damage Stopper
Gauge-9 steel wire cage designed to shield beacon and sounder units from vandalism and accidental impact damage in controlled indoor environments
- Gauge-9 steel wire cage shields beacon/sounder units from impact and tampering.
- Compatible with STI-9664, STI-9615, STI-9665, and STI-9617 product families.
- Ships with all fasteners included; installs with a screwdriver, no modifications needed.
Usually Ships in 2-3 Weeks Free shipping over $499$46.98 $45.99 Save $0.99 -
Save $0.31
Add to Cart The item has been addedSTI 9609-SS High Profile Stopper
Stainless steel smoke detector guard for high-abuse environments
- Stainless steel construction delivers corrosion resistance in demanding indoor environments.
- Flush-mount profile integrates with standard ceiling and wall configurations, depth 2.5".
- Patented abuse-resistant design protects smoke detectors in high-risk institutional facilities.
Usually Ships in 2-3 Weeks Free shipping over $499$89.30 $88.99 Save $0.31 -
Save $0.31
Add to Cart The item has been addedSTI 9605-SS Mini Smoke Detector Stopper
Steel Web Stopper for mini smoke detectors in high-abuse environments
- Patented steel construction resists tampering and physical abuse in high-risk zones.
- Surface, wall, and ceiling mount options simplify integration into existing fire systems.
- Tool-free detector servicing reduces downtime and eliminates need for specialized skills.
Usually Ships in 2-3 Weeks Free shipping over $499$89.30 $88.99 Save $0.31 -
Save $0.56
Add to Cart The item has been addedSTI 9604-SS Mini Smoke Detector Stopper
Patented steel cage protects mini smoke detectors from severe vandalism
- Medical-grade 304 stainless steel resists corrosion in healthcare and food-prep zones.
- Rated −40°F to 212°F, suitable for controlled environments with extreme temperature swings.
- Tool-free flush-mount install fits standard ceilings with no structural modification needed.
Usually Ships in 2-3 Weeks Free shipping over $499$77.55 $76.99 Save $0.56 -
Save $0.99
Add to Cart The item has been addedSTI STI-9604 Steel Web Stopper for Mini Smoke Detectors
Patented steel web lock for mini smoke detectors in institutional settings
- Patented hardened steel web prevents pull-removal or obstruction of mini smoke detectors.
- Supports wall, ceiling, and rack mount positions to match existing detector installations.
- Authorized personnel retain full service access without specialized tools or repositioning.
Usually Ships in 2-3 Weeks Free shipping over $499$46.98 $45.99 Save $0.99 -
Save $0.11
Add to Cart The item has been addedSTI Thermostat Protector Dome Shape - Tamper Screws - STI-9115
Polycarbonate dome protector designed to prevent unauthorized adjustment and tampering of thermostats in commercial and institutional settings
- Polycarbonate dome blocks unauthorized thermostat adjustment in commercial installs.
- Ships with tamper-resistant screws and matching security bit — no additional tools needed.
- Air circulation holes maintain ambient sensing while blocking direct access to controls.
Usually Ships in 2-3 Weeks Free shipping over $499$61.10 $60.99 Save $0.11 -
Save $0.37
Add to Cart The item has been addedSTI STI-9110 Thermostat Protector with Key Lock
Mechanical key-lock thermostat protector for HVAC access control
- Transparent polycarbonate housing allows thermostat readout without unlocking the enclosure.
- Mechanical key lock requires no electronics or batteries, simplifying retrofit onto existing installs.
- Pre-drilled frame supports both flush and surface-mount configurations on standard wall-box footprints.
Usually Ships in 2-3 Weeks Free shipping over $499$41.36 $40.99 Save $0.37 -
Save $0.59
Add to Cart The item has been addedSTI 8230-W Smoke Detector Stopper
Protective housing for smoke detectors in high-traffic areas with integral conduit spacer
- 16-gauge cold-rolled steel cage with white polyester coat resists corrosion in wet areas.
- Perforated matrix maintains smoke detection sensitivity while blocking physical tampering.
- Four-point retrofit mount fits existing detectors with conduit spacer—no rewiring required.
Usually Ships in 2-3 Weeks Free shipping over $499$104.58 $103.99 Save $0.59
