Security window film is a thick, optically clear polyester film bonded to the room-side face of the glass. When the glass breaks, the shards stay stuck to the film in one sheet instead of falling into the room, and a burglar who expected one hit and an open window is still outside working on it. This guide covers what the film does on South Florida glass, what it does not do, and what it costs installed.

What security film does

Three things. It keeps broken glass in one piece, so a rock, a bat or an accidental impact leaves a cracked sheet rather than a floor of shards. It delays forced entry: an 8-mil film anchored to the frame turns a smash-and-grab into minutes of visible, noisy effort, which is usually enough to make an intruder move on. And, like every window film, it blocks 99 percent of UV; the solar versions also cut heat and glare, so one film can do both jobs on a sun-facing pane.

What it does not do

It is not hurricane protection. Under the Florida Building Code, opening protection means impact-rated glass or approved shutters; no film, however thick, makes a non-impact window code-compliant or earns the insurance credit that impact glass and shutters do. It will not stop a determined attack with tools, and it will not hold glass that was already loose in a failing frame. We say this on every quote so nobody buys film expecting a shutter.

Thickness and attachment — the two specs that matter

Safety film is 4 mil thick and is for containing accidental breakage, the shower-door and coffee-table use case. Security film starts at 8 mil and goes to 12 and 14 mil for storefronts and ground-floor glass. Thickness alone is only half the job: a film that ends at the edge of the glass can be pushed in with the glass still attached, so real intrusion delay needs the film anchored to the frame with a wet-glaze silicone bead or a mechanical attachment strip. We quote the attachment as a line item so you can see what you are paying for.

Where it goes in South Florida

Glass front doors and sidelights: the most common forced-entry point in a house; film plus a good deadbolt is the cheapest fix.

Ground-floor and pool-side windows and sliding glass doors: see the sliding glass door tinting guide for the film options on sliders.

Storefronts and restaurants: after-hours smash-and-grab protection without bars or roll-down grilles.

Offices, clinics and schools: shard containment on interior glass where people sit close to the pane; see office privacy glass for the frosted and switchable options on the same glass.

Impact glass: already laminated, so it rarely needs security film; we add it only for extra anti-intrusion delay on the interior face, never as a substitute. Read the impact-glass guide first.

What it costs

Installed in South Florida, security film runs $10 to $20 per square foot depending on thickness, with frame attachment quoted separately per linear foot. A glass front door with two sidelights is typically $300 to $800; a two-panel sliding glass door $500 to $1,200; a small storefront $1,500 to $4,000. Every price is fixed in writing after a free site visit; combined solar-plus-security films sit at the top of the range.

Security film and smart film on the same glass

They stack. Security film goes on the glass first for containment; switchable smart film on top gives privacy at a switch, so a street-facing office or a bedroom window can be both hard to get through and impossible to see through when you want. See privacy window film options for the frosted and switchable choices.

Where we install security film

Fort Lauderdale, Boca Raton, Wilton Manors, Pompano Beach, Hollywood, Aventura, Miami Beach, Miami, Coral Gables, Doral, Kendall, Homestead and West Palm Beach — anywhere between Palm Beach Gardens and Homestead. Window film, tint and security film options are on the window tinting page.

Frequently asked questions

Is security window film hurricane-proof?

No. It keeps broken glass together and slows intruders, but it does not make a window impact-rated under the Florida Building Code and does not replace shutters or impact glass for code or insurance purposes.

Can you see security film on the glass?

The standard films are optically clear; from inside or outside the glass looks the same. Tinted and solar versions are available if you also want heat and glare control.

Do I need security film on impact glass?

Usually not — impact glass is already laminated. We add an interior security film only when a client wants extra intrusion delay on a ground-floor storefront or door, never as a substitute for the impact rating.

How much does security window film cost in South Florida?

About $10 to $20 per square foot installed, plus frame attachment where intrusion delay matters: roughly $300 to $800 for a glass front door with sidelights and $500 to $1,200 for a two-panel slider. The quote is fixed after a free site visit.

Send a photo of the glass you want protected and the city you are in, and we will come back with a price for security film alone and for security plus solar or smart film; the site visit and written quote are free.

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