Thermal Performance
THERMAL STEEL, DUAL GLAZED
1/4” Temp SN68 | 1/2” Aluminum Spacer Argon-3/16” IS20 Temp Clear
Fixed
U Factor
0.28
0.28
SHGC
0.33
0.33
VT
0.60
0.60
Casement
Awning
Awning
U Factor
0.38
0.38
SHGC
0.28
0.28
VT
0.48
0.48
Outswing
Door
Door
U Factor
0.32
0.32
SHGC
0.31
0.31
VT
0.55
0.55
Inswing
Door
Door
U Factor
0.32
0.32
SHGC
0.31
0.31
VT
0.55
0.55
Sliding
Door
Door
U Factor
0.32
0.32
SHGC
0.32
0.32
VT
0.57
0.57
Bi-Fold
Door
Door
U Factor
0.30
0.30
SHGC
0.33
0.33
VT
0.61
0.61
THERMAL STEEL, TRIPLE GLAZED
3/16” Clear tempered with Cardinal 272 | 3/8” Aluminum Spacer | Argon Gap Fill
3/16” Clear Tempered with Cardinal 3/8” Aliminum Spacer | Argon Gap Fill | 3/16” Clear Tempered
Fixed
U Factor
0.21
0.21
SHGC
0.29
0.29
VT
0.50
0.50
Casement
Awning
Awning
U Factor
0.31
0.31
SHGC
0.25
0.25
VT
0.41
0.41
Outswing
Door
Door
U Factor
0.27
0.27
SHGC
0.27
0.27
VT
0.46
0.46
Inswing
Door
Door
U Factor
0.26
0.26
SHGC
0.27
0.27
VT
0.46
0.46
Sliding
Door
Door
U Factor
0.26
0.26
SHGC
0.28
0.28
VT
0.48
0.48
Bi-Fold
Door
Door
U Factor
0.24
0.24
SHGC
0.30
0.30
VT
0.51
0.51
TRUE STEEL
1/4” Temp SN68-1/2” Aluminum Spacer Argon-3/16” IS20 Temp Clear
Fixed
U Factor
0.33
0.33
SHGC
0.33
0.33
VT
0.59
0.59
Casement
Awning
Awning
U Factor
0.42
0.42
SHGC
0.31
0.31
VT
0.55
0.55
Outswing
Door
Door
U Factor
0.35
0.35
SHGC
0.33
0.33
VT
0.58
0.58
Inswing
Door
Door
U Factor
0.37
0.37
SHGC
0.31
0.31
VT
0.55
0.55
Sliding
Door
Door
U Factor
0.46
0.46
SHGC
0.27
0.27
VT
0.46
0.46
Bi-Fold
Door
Door
U Factor
0.42
0.42
SHGC
0.30
0.30
VT
0.52
0.52