What is Defenselite?

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

How DefenseLite Helps You

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


  • Stop unwanted entry through glass
  • Protect your inventory from theft
  • Protect your store (and your brand) from glass-related damage and unwanted attention
  • Enhance security where grills and gates are not the answer
  • Protect building occupants from ballistic threats (with BulletShield by DefenseLite)

The DefenseLite System:

The DefenseLite system is a clear, virtually unbreakable shield that bonds over your existing glass.
  • System mounts to existing frames using a custom aluminum extrusion.
  • The extrusion creates a buffer that protects your primary window and door glass.
  • Upon attack, the entire system flexes, absorbs and deflects energy away


  • Protects storefronts, schools and commercial properties from forced entry through glass
  • Helps stop smash-and-grab crime
  • Protects students and employees from active shooter threats by keeping the bad guys outside

DefenseLite Pro Features:

  • Fits all glazing frame types while matching your existing glazing architecture
  • Mounts onto existing window and door frames
  • Strong and durable – 250 times stronger than glass
  • Engineered to stop criminals and vandals cold

What is BulletShield by DefenseLite?

BulletShield by DefenseLite is a retrofit, bullet resistant, ‘clear security shield’ that installs over existing window and door glass. BulletShield is “Body Armor for Windows” and independently tested to meet UL752 ratings for ballistic protection.


  • Protects the most targeted areas of a glazing system – the glass
  • Mounts onto existing window and door frames
  • Custom-extruded aluminum frame creates a buffer zone to protect the original glass
  • Engineered to flex under attack, keeping bullets and bad guys out

BulletShield by DefenseLite Features:

  • Anchors on the interior or exterior of the glazing frame, depending on existing conditions
  • Retrofit onto existing window and doors
  • Glass-clad and bullet-resistant framing retrofit systems also are available
  • Costs far less than full bullet-resistant glazing replacement