Skip to main content

ConceptSystem 77

Technical information

Performance

Energy

Thermal insulation - Uw Double
0.3 Btu/hr.ft².°F
Thermal insulation - Uw Triple
0.31 Btu/hr.ft².°F

Comfort

Air tightness
0.27 cfm/ft³
Water tightness
3 psf
AMAA rating
Class CW
PG rating
50
Acoustics STC
40 dB
Acoustics OITC
36 dB

Safety

Burglar resistance
RC2 WK2 RC3 WK3 PAS 24
Impact resistance
I5/E5
Fire resistance
EI₁ 30 EI₂ 30 EI₂ 60
Bullet resistance
FB4 FSG FB6 Kalashnikov
Opening & closing resistance
Class 6
* Note: Performances and properties may be different depending on the profile combinations

Properties

Max. dimensions & weight

Min. height of element
21 1/16 inch
Max. height of element
120 1/2 inch
Min. width of element
21 1/16 inch
Max. width of element
58 7/8 inch
Min. height of vent
19 11/16 inch
Max. height of vent
118 1/8 inch
Min. width of vent
19 11/16 inch
Max. width of vent
55 1/8 inch
Max. weight of vent
551 lbs
Max. weight of fixed part
551 lbs

Sightlines

Min. frame width (inward opening)
2 11/16 inch
Min. vent width (inward opening)
3 inch
Min. frame-vent width (inward opening)
5 7/8 inch
Min. frame width (outward opening)
1 5/8 inch
Min. vent width (outward opening)
4 inch
Min. frame-vent width (outward opening)
5 7/8 inch
Min. width T-profile
3 inch
Depth frame
2 11/16 inch
Depth Vent
2 11/16 inch
Depth frame-vent
2 11/16 inch

Glazing

Rebate height
1 inch
Glazing method
Dry glazing Siliconized glazing Internal 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 1/16 inch