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Security Window Film & HammerGARD Glazing


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Even toughened or safety glass be broken with the right tools. In 29% of burglaries glass is broken, and this can cause injury to you and your loved ones, as well as destroy property and treasured possessions. With a high resistance to tearing and puncturing, our security window film holds broken glass in place, which discourages break-ins and greatly reduces the possibility of injury or damage from flying shards of glass.

Our security window treatments are designed to keep you and your home safe and secure. Security window film can be can be added to your existing glazing, or we can replace your windows and doors with our revolutionary HammerGARD Glazing, to make it virtually impossible for even the most determined intruder to get into your home.

Security window film

Most criminals rely on gaining a quick entry into a building. Our high-performance security window film is designed to prevent this from happening, by making your glazing hard to break and deterring would-be intruders.

Offering the highest levels of security, our glass security film has an extremely high resistance to tearing and puncturing, while maintaining great optical clarity. In the event of an impact, it will hold the glass in place, preventing entry and reducing the risk of injury. With our window film, you can have peace of mind that you, your family and your home are protected.


Most intruders will look to enter a building through a window, as glass is easily broken. This means your glazing can make your home vulnerable to a break-in. Our revolutionary HammerGARD Glazing is an incredible 250 times stronger than conventional glass, making it virtually unbreakable.

As a clear, polycarbonate sheet, HammerGARD Glazing is half the weight of glass double glazing, will fit into any type of window or door, and won’t splinter or crack when impacted with anything from a brick to a hammer or a golf ball. The glazing also has UV protection to prevent discolouring and offers insulating properties, alongside the highest levels of security for you and your home.

What Our Customers Say About Us

"I'm very pleased I can use the room all the time, even in hot temperatures". 
- Jennifer, Didcot

"Just had window film installed in my conservatory and already the heat is reduced. Excellent job, installers professional and polite - and tidied up after themselves." 
- Elaine, High Wycombe

"WindowTreat had the best understanding of our glazing systems and how their products would perform. We have definitely noticed a reduction in solar gain and glare and as a result we are much more comfortable.  Delighted!" 
- Philip, London

“The difference in glare and intensity of heat was immediate and I am now able to sit in the conservatory comfortably in the afternoon when the sun is shining. It is such a transformation.” 
- Shalesh, Basingstoke

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