Skip to main content

ConceptSystem 77 Bulletproof

Technical information



Air tightness
Class 4 (600Pa)
Water tightness
Class 9A (600Pa)
Wind load resistance
Class C5 (2000Pa)


Bullet resistance
FB4 FSG Kalashnikov
Opening & closing resistance
Class 3
* Note: Performances and properties may be different depending on the profile combinations


Max. dimensions & weight

Min. height of element
668 mm
Max. height of element
2068 mm
Min. width of element
518 mm
Max. width of element
1368 mm
Min. height of vent
600 mm
Max. height of vent
2000 mm
Min. width of vent
450 mm
Max. width of vent
1300 mm


Min. frame-vent width (inward opening)
128 mm
Min. width T-profile
102 mm
Depth frame
97 mm
Depth Vent
77 mm
Depth frame-vent
106 mm


Rebate height
25 mm
Glazing method
Dry glazing Siliconized glazing Internal glazing Glazing bead
Min. glass thickness - frame/element
25 mm
Max. glass thickness - frame/element
52 mm
Min. glass thickness - vent
4 mm
Max. glass thickness - vent
63 mm