ConceptSystem 77

Performance

Performance and properties depend on size, profile combinations, hardware and infill choices.

Energy

Thermal insulation - Uf 1.8 W/m²K

Thermal insulation - Uw 1.3 W/m²K

Safety

Burglar resistance RC2 RC3 PAS 24

Fire resistance EI₂ 60 EW 30 EI₁ 30 EI₂ 30

Bullet resistance FB4 FSG Kalashnikov

Comfort

Air tightness Class 4(600Pa)

Wind load resistance Class C5(2000Pa)

Water tightness Class E900(900Pa)

Opening & closing resistance Class 3

Properties

Max. dimensions & weight

Min. height of element 668 mm

Max. height of element 2868 mm

Min. width of element 518 mm

Max. width of element 1268 mm

Min. height of vent 600 mm

Max. height of vent 2800 mm

Min. width of vent 450 mm

Max. width of vent 1200 mm

Max. weight of vent 374 lbs

Sightlines

Min. frame width (inward opening) 51 mm

Min. vent width (inward opening) 33 mm

Min. frame-vent width (inward opening) 89 mm

Min. frame width (outward opening) 17.5 mm

Min. vent width (outward opening) 76 mm

Min. frame-vent width (outward opening) 93.5 mm

Min. width T-profile 76 mm

Depth frame 68 mm

Depth Vent 77 mm

Depth frame-vent 77 mm

Glazing

Glazing method:

Dry glazing / Internal glazing / Glazing bead
Siliconized glazing / External glazing
Min. glass thickness - vent 4 mm

Min. glass thickness - frame/element 4 mm

Max. glass thickness - vent 63 mm