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Friday, August 21 2020
Window Security Film: Does it Work?

How do you keep your house secure? Whether you’re going to the grocery store or heading to bed, you lock your doors. You might even invest in deadbolts and other stronger security measures.

But what about your windows? These are a weak point in your home’s security. A bad storm could shatter them — and so could a burglar.

Then, your door security measures are a waste.

You could upgrade to double-paned windows. But these are a large investment. You can’t put a price on the safety and security of you and yours, but surely, there must be a more affordable way to keep your home safe.

There is — with window security film.

What is Window Security Film?

Window security film is a set of several layers of the polyester film — each layer held together with special adhesives — meant to enhance window glass strength.

Each layer is about 4-14 mils thick. Ideally, your entire window security film will be 8-14 mils thick. This can resist up to 400 pounds.

Thicker films cost more, but they add even more protection — which could be worth the slight extra cost.

Theoretically, you can install a security film yourself. We’d recommend handing that off to a professional, though, as it’s not easy.

Does Window Security Film Work?

The short answer: yes. Here are some benefits.


As we said, it can stop up to 400 pounds, or more, if you invest in a thicker film. This makes it much more difficult for a burglar to break-in, and it reduces the chances of shatter due to a storm.

Minimize Injuries

Given the above strength, you and your family will be less likely to be injured from shatter glasses in the case of a storm or natural disaster. Additionally, debris will be kept out — whether that debris is harmless yet annoying, or potentially dangerous.

Scratch Protection

The film can protect your windows from scratches caused by children or pets. A thickness of 7-8 mils should do the trick.

How to Install Window Security Film

The most common installation method is to retrofit the film to the existing window on-site. The installer must cut the film and apply the adhesive layer precisely for it to work. The slightest error can lead to air bubbles between the film and the window.

There are two methods of installation. The “Daylight” method involves leaving a tiny gap between film and window, providing adequate protection for lower-level threats.

However, this won’t stop situations such as aggressive intruded. The “Anchor” method is better. This method actually has two variations:

  • Mechanical method — The installer attaches the film to the window frame using special devices created for the mechanical method.
  • Wet method — The same thing as the mechanical method, but instead of a metal device, special adhesive is used. There are various products available that can conceal the adhesive for a cleaner look.

Another way to improve your home’s security — especially if you have rooms with valuable visible — is to apply tints to your windows. That’ll make it harder to see into your home, reducing your home as a target for burglary.


Car Pretty Window Tinting doesn’t just do cars — we do houses, too. Contact us today for your free custom quote.

Posted by: AT 12:28 pm   |  Permalink   |  Email
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