​Hammerglass Add-On is an integrated system with effective burglar protection that is installed on the outside or inside of the old window. Hammerglass Add-On can be installed in both fixed and opening window glass or as part of a door.

The Add-On profile protects and strengthens the existing wooden frame, which minimizes maintenance costs. 

• Protects against break-ins & vandalism - Personal protection
• Repalces anti-theft grilles and roller shutters
• External or internal installation in front of existing windows
• Internal installation protects against shatter injuries in case of explosion
• 6, 8, 10 eller 12 mm Hammerglass in break-proof steel profile
• Reinforces existing wooden frames
• Improves the U-value
• Noise ruduction of 30 dBRw
• Security class P8B, EN 356
• Provides increased protection against burglars and vandals for shops, schools, public premises etc
• Recommended by insurance companies as an alternative to anti-theft grilles and roller