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ConceptSystem 77 Fireproof

Technical information



Air tightness
Class 4 (600Pa)
Water tightness
Class 7A (300Pa)
Wind load resistance
Class C2 (800Pa)


Impact resistance
Fire resistance
EI₁ 30 EI₂ 30 EI₂ 60
Opening & closing resistance
Class 6
* Note: Performances and properties may be different depending on the profile combinations


Max. dimensions & weight

Min. height of element
561 mm
Min. width of element
596 mm
Min. height of vent
500 mm
Max. height of vent
2750 mm
Min. width of vent
500 mm
Max. width of vent
1320 mm
Max. weight of vent
250 kg


Min. frame width (inward opening)
68 mm
Min. frame-vent width (inward opening)
150 mm
Depth frame
68 mm
Depth Vent
68 mm
Depth frame-vent
68 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
4 mm
Max. glass thickness - vent
63 mm