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ConceptSystem 77 Fireproof

Technical information



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


Fire resistance
EI₂ 60 EI₂ 30 EI₁ 30
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
2818 mm
Min. width of element
518 mm
Max. width of element
1378 mm
Min. height of vent
600 mm
Max. height of vent
2750 mm
Min. width of vent
450 mm
Max. width of vent
1310 mm


Min. frame width (inward opening)
51 mm
Min. width T-profile
76 mm
Depth frame
68 mm
Depth Vent
77 mm
Depth frame-vent
77 mm


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