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ConceptSystem 77

Technical information

Performance

Energy

Thermal insulation - Uw Double
0.24 Btu/hr.ft².°F
Thermal insulation - Uw Triple
0.18 Btu/hr.ft².°F

Comfort

Air tightness
0.04 cfm/ft³
Water tightness
12 psf
AMAA rating
Class AW
PG rating
120
Acoustics STC
43 dB
Acoustics OITC
34 dB

Safety

Burglar resistance
RC2 RC3 WK2 WK3 PAS 24
Fire resistance
EI₁ 30 EI₂ 30 EI₂ 60
Bullet resistance
FB4 FSG Kalashnikov
Opening & closing resistance
Class 3
* Note: Performances and properties may be different depending on the profile combinations

Properties

Max. dimensions & weight

Min. height of element
26 5/16 inch
Max. height of element
112 15/16 inch
Min. width of element
20 3/8 inch
Max. width of element
49 15/16 inch
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
47 1/4 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
Min. width T-profile
3 inch
Depth frame
2 11/16 inch
Depth Vent
3 1/16 inch
Depth frame-vent
3 1/16 inch

Glazing

Rebate height
1 inch
Glazing method
Dry glazing Siliconized glazing Internal glazing External glazing Glazing bead
Min. glass thickness - frame/element
3/16 inch
Max. glass thickness - frame/element
2 1/16 inch
Min. glass thickness - vent
3/16 inch
Max. glass thickness - vent
2 1/2 inch