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ConceptSystem 77 High Insulation

Technical information

Performance

Comfort

Air tightness: Class 4 (600Pa)
Water tightness: Class E900 (900Pa)
Wind load resistance: Class C5 (2000Pa)
Opening & closing resistance: Class 3

Safety

Burglar resistance: PAS 24 - RC2 - RC3

* Note: Performances and properties may be different depending on the profile combinations

Properties

Max. dimensions & weight

Min. height of vent: 23 5/8 inch
Max. height of vent: 110 1/4 inch
Min. width of vent: 17 11/16 inch
Max. width of vent: 66 15/16 inch
Max. weight of vent: 374 lbs

Sightlines

Min. frame width (inward opening): 2 inch
Min. vent width (inward opening): 1 5/16 inch
Min. frame-vent width (inward opening): 3 1/2 inch
Min. frame width (outward opening): 11/16 inch
Min. vent width (outward opening): 3 inch
Min. frame-vent width (outward opening): 3 11/16 inch