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HiFinity 2-rail

Technical information

Performance

Energy

Thermal insulation - Uw Double
0.28 Btu/hr.ft².°F
Thermal insulation - Uw Triple
0.21 Btu/hr.ft².°F
Uw Dependencies
Ug 0.6W/m²K, warm edge spacer, @4.50x2.30m, 36mm glass

Comfort

Air tightness
0.08 cfm/ft³
Water tightness
8 psf
Air tightness
Class 4 (600Pa)
Water tightness
Class E750 (750Pa)
Wind load resistance
Class C5 (2000Pa)
AMAA rating
Class CW
PG rating
60
Acoustics STC
45 dB
Acoustics OITC
37 dB
Opening & closing resistance
Class 3

Safety

Burglar resistance
RC2
Operating Forces Class
Class 1
* Note: Performances and properties may be different depending on the profile combinations

Properties

Max. dimensions & weight

Min. height of vent
70 7/8 inch
Max. height of vent
157 1/2 inch
Min. width of vent
39 3/8 inch
Max. width of vent
137 13/16 inch
Max. weight of vent
1653 lbs
Max. weight of glass
2645 lbs

Sightlines

Min. width 4-pane
2 5/8 inch
Min. width meeting section
1 3/8 inch
Min. width T-profile
1 15/16 inch
Min. visible width (interior view)
5/16 inch
Min. visible width (exterior view)
5/16 inch
Min. height treshold
inch
Depth Vent
1 3/4 inch
Depth frame-vent
5 13/16 inch
Depth frame 2-rail
5 13/16 inch

Glazing

Rebate height
11/16 inch
Glazing method
Envelope glazing - Structural Glued Glazing
Min. glass thickness - frame/element
1 7/16 inch
Max. glass thickness - frame/element
1 1/2 inch
Min. glass thickness - vent
1 7/16 inch
Max. glass thickness - vent
1 1/2 inch