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ConceptSystem 77 Smokeproof

Technical information



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


Impact resistance
Fire resistance
EI 30 EI 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
2600 mm
Min. width of vent
500 mm
Max. width of vent
1300 mm
Max. weight of vent
250 kg


Min. frame width (inward opening)
68 mm
Min. frame-vent width (inward opening)
150 mm
Min. frame width (outward opening)
42 mm
Min. frame-vent width (outward opening)
150 mm
Min. width T-profile
76 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
4 mm
Max. glass thickness - frame/element
52 mm