Better quality components and superior mechanical and thermal engineering separates DefenseLite from less expensive competitor systems. DefenseLite is a patented ‘flexible’ and ‘vented’ overglaze system that provides for unmatched resilience under robust attack.  Our patent pending venting system protects customers from longer-term condensation and moisture related issues inherent in hermetically sealed, non-vented, field installed overglaze systems.

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All security glass solutions can be broken if numerous, repeated attempts are made, particularly with firearms. However, most criminals are opportunists looking for easy entry and once they are slowed by a security glass solution, they will typically leave the scene. Furthermore, it is possible to break bulletproof glass with a higher caliber bullet if the UL rating of the glazing is too low.

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With episodes of smash-and-grab crime, forced entry, and political vandalism on the rise, protect what’s important to you with DefenseLite security glazing.

No. Field installed overglaze systems create a new airspace that requires airflow to mitigate condensation buildup in the newly created void. Without proper airflow, moisture will build up and create problems for the customer in many climate zones over time. ‘Desiccant only’ moisture control systems will eventually fail to control the condensation once the desiccant is exhausted and overwhelmed leading to foggy, unattractive windows and doors that will be very expensive to fix down the road.

DefenseLite is a unique, robust forced entry solution. Clear and unobtrusive in appearance like security window films, DefenseLite performs better that roll down grills and gates if attacked by a criminal. DefenseLite does not break under attack like expensive laminated glass and can be easily replaced if ever damaged after severe attack.

Each DefenseLite system is engineered for the local climate and usage so that the airspace behind the overglaze is ventilated to the adjacent space that is predicted to be drier at the most critical times of the year. Then, a precisely calibrated array of passive vents, based upon the premise of Boyle’s Law, are deployed to make the magic happen, keeping your overglaze system condensation free for the long-term.

Better quality components and superior mechanical and thermal engineering separates DefenseLite from less expensive competitor systems. DefenseLite is a patented ‘flexible’ and ‘vented’ overglaze system that provides for unmatched resilience under robust attack.

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Expert guidance and comprehensive support from initial consultation to final implementation, including customized solutions.

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"DefenseLite recently completed a very complex lobby project for us which entailed a specialized design with multiple pieces and required a challenging installation. We could not be happier. The project was a grand success and the DefenseLite management as well as installers, were the utmost professionals demonstrating genuine care and customer service. Their technical knowledge is superb. We felt very taken care of as updates and good communication with us were continually provided. Thanks!"

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“As a security and protective design and engineering consultant for 45 years, and after having participated in reviewing, analyzing, testing and subsequently specifying many different force protection products for clients with extreme security concerns, I would strongly advise those in similar positions to consider the products sold under the “DefenseLite” brand name, and fabricated, furnished and installed by Impact Security. We have submitted their products to personal attacks by our security specialists and been engaged in having their products tested under live firing range conditions by elite law enforcement agencies for ballistic resistance and forced entry and can attest to their efficacy and value.”.

DefenseLite offers the largest single sheet high optic UV coated polycarbonate in the world.  Made to our exacting and unique Plaskolite specification for optical clarity and durability, our single sheets can be as large as 156” x 96” and perfect for oversized windows found in urban retail centers and showrooms across the US.

DefenseLite polycarbonate security panels are mounted to your existing glazing frames using a custom vented aluminum extrusion that creates stand-off from your primary window and door glass. Upon attack, the retrofit security glazing system flexes, absorbs and deflects energy away, keeping the bad guys outside! In most cases after installing our overglaze security panel, the primary window does not break, and the criminal flees the scene. DefenseLite’s patent pending vented extrusion system prevents condensation buildup by dynamically moving air throughout the glazing frames eliminating costly and unsightly moisture problems.

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Yes. Many businesses are under relentless assault from smash and grab criminals. DefenseLite has special pricing, warranty programs and service agreements for effected industry groups. Our aim is to promote the adoption of our proven solutions within the building security and  LP/AP communities  while stopping violent crime against property.

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Security Shields Security shields like DefenseLite are made of polycarbonate which is an architectural plastic that is 250 times stronger than glass. These security shields are a retrofit solution that is applied over the existing glass to prevent intrusion. Polycarbonate is much stronger than laminated glass and can hold up to much more aggressive attacks, also making it shatter-resistant.

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Yes, DefenseLite has a program designed specifically for NSSF members. Like you, we aim to keep stolen firearms off the streets and have discounted our installed systems for NSSF members to protect as many retail stores as possible.

The strongest glass for windows, it turns out, isn’t glass at all! It’s polycarbonate. While polycarbonate security shields are often referred to as “security glass” or “safety glass”, they’re actually made up of a very thick plastic which, unlike glass, flexes under impact to deflect energy away.

Each component in a DefenseLite system is designed to ‘flex’ under significant force from robust attack. As the DefenseLite system ‘flexes’ while absorbing impact, energy is dissipated evenly throughout the overglaze providing for increased performance over competitor’s less expensive, rigid and fixed designs. DefenseLite overglazing is like a Zen Master. It doesn’t attempt to ward off intruders like a brick wall. Instead, it flexes and absorbs the impact, dissipating the forces harmlessly out to the edges of the panel. Without breaking, tearing or detachment.  Bad guys get frustrated with our flexible resistance and soon move on to a more vulnerable victim.

"While there are numerous aspects to any comprehensive security program, if you are able to make the windows of a facility difficult or impossible to breach, you can significantly enhance the overall security of the site. Many institutions take actions to secure their facilities without considering the “why” behind those actions. The best security plans are rooted in security principles that allow you to gain time during an emergency situation, and keep a threatening person at a distance. This is exactly why we utilized DefenseLite and BulletShield for our more vulnerable clientele, worldwide. Having worked on numerous and complicated security projects all over the world we have also experienced the value of having a high quality partner to properly install these items. Jeff Franson and his team have always done a stellar job, going above and beyond, and have ensured that the windows at our sites have the highest level of security features."

While the main purpose security glass serves is preventing forced entry, theft, and vandalism, it is also designed to hold up in bomb blasts and severe weather incidents. In these cases, security glass won’t break into jagged pieces like regular glass would, keeping those nearby safe.

DefenseLite can reduce street noise by up to 40% and improve energy efficiency of existing glass by over 50%. DefenseLite will defeat most attacks while protecting the primary glass from breaking. DefenseLite incorporates a proprietary sacrificial film coating on its surface that defeats graffiti tagging while protecting the shield from damage.

DefenseLite is a clear security glazing system that installs over existing window and door glass creating a layer of protection designed to ‘keep the bad guys out.’ A patented technology, the DefenseLite overglaze is 250 times stronger than glass, nearly invisible once installed and an affordable solution that works to mitigate criminal attacks.

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"I just wanted to take a minute to let you know that we recently had an attempted break in, the key word here is (attempted). Around 5:30 AM 3 individuals pulled up to the store, got out of a car, wearing masks and carrying bats and bricks. One started throwing a landscaping brick (~10 pounds) at the glass door protected by DefenseLite and the rock just bounced off, the other two went to work on one of the windows with the bats. The bats had little effect on the DefenseLite. After about 5 minutes of repeatedly throwing the brick at the door the glass behind the DefenseLite broke, but the DefenseLite stayed intact. The three spent a total of 8 and a half minutes beating on the Defense with rock and bats and still did not get in. I am 100% confident had I not chosen to put the DefenseLite they would have gotten it and gotten away with countless guns and I would have been dealing with the ATF and State Police for weeks if not longer and there would be a lot of illegal guns on the street. DefenseLite is hands down the best means of keeping bad people out of your store."

However, replacing your existing glass with a product like laminated glass is going to be one of the most expensive solutions versus a retrofit installation. Professionally installed DefenseLite retrofit security glazing systems install for $45 to $90 per square foot depending on system design and overall project scope.

The most unbreakable “glass” is DefenseLite polycarbonate shields. While these panels aren’t glass, they do carry many of the same properties with a number of added benefits. They are clear, so they don’t alter your view out of your windows, but they are 250 times stronger than glass. They also provide additional UV protection, noise reduction, and temperature stability.

3) “Unbreachable” UV capped, clear polycarbonate shield is secured to the vented extrusion with security “flex” screws and elastomeric VHB tapes

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This passive design is ’tuned’ for the local climate conditions and usage. The DefenseLite ‘engineered venting’ system basically dries out the air behind the overglaze on an ongoing, dynamic basis leading to a low likelihood of longer-term condensation or moisture issues. Less expensive, non-vented overglaze systems will experience moisture and condensation issues once the desiccant entombed in the framing system becomes saturated leading to an expensive fix for the building owner down the road.

The purpose of security glass is to delay or prevent forced entry, so it is very difficult to break. However, no security glass solution is completely infallible. Just like there really is no “bulletproof” glass, only bullet-resistant, there is no “shatterproof” glass either. However, laminated and tempered (or toughened) glass is more difficult to break and are designed with safety in mind–safety, not security.

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‘Pillowing’, or ‘bowing’ prevalent in some plastic glazing creates unsightly distortion and ‘fun house’ mirror effects. Pillowing occurs when thermal (solar heat) buildup creates a condition where the plastic glazing expands, or ‘pillows out’ due to increased barometric air pressure and thermal expansion. The patent pending “Moore” venting system engineered into DefenseLite allows for dynamic airflow from the newly created airspace to an open space alleviating the increased air pressure caused by solar heat gain. The DefenseLite overglaze is flexible and super strong. Like all polycarbonate, the sheet tends to grow when it gets warmer.  When plastic over-glaze “pillows” within a fixed rigid frame, it is because it is trying to grow – but it can’t – so it bulges out instead. DefenseLite’s engineered ventilation keeps the panel ‘cooler’ so it grows less, eliminates the pressure and allows the panel to float at all edges. Result: No unsightly bulge!

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"Recently we had a torch attack on the side door at our Patagonia Portland Store (there have been two now). And last week we had a cinderblock attack on the same set of doors. There are no broken door glass, the doors were not damaged, and no intrusions into our store. Without DefenseLite, the damage to the door glass and doors would have been in the 10K range minimum. Then you have the amount of product that could have been taken out of our store. And then (a harder matrix to measure) store moral and store appearances would have most likely have suffered. Bottom line, DefenseLite works again! "

DefenseLite flexes and absorbs the impact, dissipating the forces harmlessly out to the edges of the panel without breaking, tearing, or detaching. In most cases, the primary standard window doesn’t break and the criminal flees the scene.

DefenseLite, which is made up of polycarbonate panels installed over existing glass, is designed to ‘flex’ under force. As the system ‘flexes’ while absorbing impact, energy is dissipated evenly throughout the overglaze providing for increased performance over competitors’ less expensive, rigid, and fixed designs.

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Professionally installed DefenseLite and​ BulletShield costs depend on existing glazing conditions, performance requirements, system design and overall project scope.

DefenseLite is the ‘flexible’ and ‘vented’ overglaze security solution. A patented technology, DefenseLite is a ‘clear security shield’ that installs over existing window and door glazing creating a layer of protection designed to ‘keep the bad guys out’. DefenseLite shields are 250 times stronger than glass, nearly invisible once installed and a long-term forced-entry solution that works. Utilizing proprietary high-optic UV coated polycarbonate shields, patented vented extrusions, multi-layer thin films and tough structural adhesives and flexible security tipped anchors, DefenseLite is an engineered system that combines the best of materials science with an easy to retrofit installed solution.

In the consumer electronics market, optical filters offer enhanced imaging capabilities for displays, cameras, and smartphones.

2) “Super bond” anchoring method secures the engineered system to the existing glazing providing for unmatched flex, tensile and tear strength upon attack

Tailored for life sciences applications, offering precision and reliability to enhance imaging solutions such as fluorescence microscopy and cellular imaging.

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1) Patented vented extrusion mounts to the existing glazing frame creating standoff for the polycarbonate shield from primary glass

DefenseLite polycarbonate sheets are “UV capped” and warranted against yellowing for a minimum of 7 years. Many DefenseLite systems incorporate a secondary layer of UV protection with the application of a thin film laminate primarily designed for sacrificial surface protection.

Experienced in serving the scientific, biomedical, and photonics communities we know how to design and deliver optical filters.

Utilizing proprietary high-optic UV coated polycarbonate shields, vented aluminum extrusions, multi-layer thin films, tough structural adhesives, VHB tapes and security tipped anchors, DefenseLite is an engineered forced-entry solution that combines the best of materials science with an efficient retrofit installation.

If you don’t see what you are looking for, please contact us. We have a large inventory of filters and a knowledgeable staff ready to help you design and build a filter to meet your specifications.

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This is a difficult question to answer since there are quite a few security window glass solutions available with varying levels of defense and the overall price is really dependent on your square footage.

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DefenseLite is installed over your existing window and door glazing by certified dealer/installers. Mounted and anchored onto the exterior or interior of your existing glazing, DefenseLite affixes to your window or door frames creating an airspace between the primary glass and the DefenseLite clear shield. A weather sealed and vented system that mitigates any ‘pillowing’ or condensation buildup, DefenseLite is custom made for every opening and designed to blend into the existing framing for a clean, finished look.  DefenseLite is nearly invisible upon a completed installation, has no moving parts or long-term serviceable items.

Impact Security has a special relationship and a unique specification for its polycarbonate sheets used to make the DefenseLite shields.  Manufactured in the US by the leading manufacturer of plastic substates in the world, Plaskolite, DefenseLite’s proprietary polycarbonate specification guarantees our customers enjoy the most optically clear, black spec- free, low-distortion, UV capped sheets available anywhere in the world.

Satellite imaging, remote sensing, or aircraft instrumentation, our optical filters ensure precision and clarity, vital for navigation, reconnaissance, and scientific exploration.

There are a number of security glass solutions in the market, but to answer this question we will focus on two of the main glass security products: laminated glass and polycarbonate security shields.

Security glass is a generalized term that refers to a number of glazing products that are reinforced to delay or prevent intrusion, or ballistic attack. Generally, when someone says “security glass”, they most likely are referring to a strengthened glass like tempered, laminated glass or a glass alternative such as polycarbonate security panels. However, security glass is not the same as safety glass, which is glass that is made to break safely without dangerous shards as standard glass does.

State-of-the-art equipment ensures the quality of optical components by conducting in-house testing for imaging performance.

An extensive range of solutions, from the ultraviolet to the infrared, for major microscope brands and custom-built systems.

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DefenseLite warranties range from a minimum of 2 years up to 15 years depending on the system installed. Custom warranties and service agreements are available.

If you’re looking for a quicker and more budget-friendly solution than full glass replacements or security shield installations, security window films might be a good choice for you.

In field conditions, it is not advisable to hermetically seal the air space between over-glazing and the prime window. Why? It won’t work.The only time ‘sealed airspaces’ work is in factory sealed, dehydrated insulating glass units. These ‘sealed IG units’ are built in controlled, factory conditions. To address this properly, DefenseLite overglaze systems utilize our patent pending ‘engineered ventilation’ behind the field installed overglaze.

Laminated Glass This security glass solution is created by bonding together two layers of glass sheets with a plastic interlayer. This plastic film between the layers holds the glass together when it is struck with objects like sledgehammers, preventing criminals from gaining entry. Upon impact, the glass will break, but will not vacate the opening–unlike tempered glass that will fragment and leave the opening completely vulnerable to intruders.

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DefenseLite is available for installation anywhere in the US and can be purchased by calling 1-888-689-5502. Our process includes helping you define your threat level and the appropriate DefenseLite solution that does the job while fitting your budget. We provide free onsite assessments and demonstrations of the performance of DefenseLite when needed. Go here to locate a certified dealer.