Safety Window Film Stops Window Invasions

With 3M™ Window Safety Films your windows can be transformed from your weakest link to a source of strength. Helping to protect your home and your family from threats such as break-ins and impact events. Citywide Alarms Security Window Film uses 30 years of Safety Film Design to help hold the glass fragments together, reducing potential injury from flying glass.
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School Security Window Film

Protect Your Home & School

In this demonstration, it takes more than 90 seconds and multiple shots from a high powered rifle to break through the glass door with the 3M™ Safety Security Film S140 installed on the glass. This product is intended to deter break-ins by impeding unwanted entry. The scary part is how quickly an invader with a firearm can invade most schools without Security Safety Film. Seconds.

Product Features

An Added Layer to Your Security System

3M™ Security Film acts as another layer of protection when combined with alarms, cameras, and access control. By reinforcing glass, it helps prevent easy entry points and supports your overall security strategy. Whether clear or tinted, it adds both protection and peace of mind without changing how your existing security system operates.

Enhanced Security & Break-In Protection

3M™ Security Film strengthens glass to help deter break-ins, vandalism, and forced entry. When applied, the film holds shattered glass together, making windows harder to penetrate and slowing intruders down, often long enough to prevent entry altogether. This added resistance provides valuable time and increases overall safety.

Proudly Serving St. Louis and Beyond

Citywide Alarms provides trusted security solutions throughout the St. Louis area and surrounding communities. Whether you’re in the city, the suburbs, or just outside the metro area, we’re ready to help you protect what matters most.
  • St. Louis
    7733 Forsyth Blvd. Suite 1100
    Saint Louis, MO 63105
  • St. Charles
    965 Sycamore Dr.
    St. Charles, MO 63304

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