Toggle navigation
Windows
Doors
Product Lines
Gallery
Solutions
Resources
Where To Buy
Parts & Service
Search for:
Clear Openings/Egress
Ultra Series Sterling Double Hung
Sterling Double Hung Segment Heads and Ultra Series Pocket Double Hung Segment Heads
Frame Size
Glass Size
Clear Opening
Sash Size
Width (in.)
Height (in.)
Segment Drop (in.)
Width (in.)
Height (in.)
Daylight Area (ft²)
Vent Area (ft²)
Frame Area (ft²)
Width (in.)
Height (in.)
Area (ft²)
Meets Most EER Codes
Width (in.)
Height (in.)
21-1/2
36-7/16
4
16
14
2.71
1.06
5.44
17-31/32
8-1/2
1.06
No
20
34
21-1/2
40-7/16
4
16
16
3.13
1.3
6.04
17-31/32
10-15/32
1.3
No
20
38
21-1/2
48-7/16
4
16
20
3.96
1.8
7.23
17-31/32
14-13/32
1.8
No
20
46
21-1/2
52-7/16
4
16
22
4.38
2.04
7.83
17-31/32
16-3/8
2.04
No
20
50
21-1/2
56-7/16
4
16
24
4.79
2.29
8.43
17-31/32
18-11/32
2.29
No
20
54
21-1/2
60-7/16
4
16
26
5.21
2.53
9.02
17-31/32
20-5/16
2.53
No
20
58
21-1/2
64-7/16
4
16
28
5.63
2.78
9.62
17-31/32
22-5/16
2.78
No
20
62
21-1/2
68-7/16
4
16
30
6.04
3.03
10.22
17-31/32
24-9/32
3.03
No
20
66
21-1/2
72-7/16
4
16
32
6.46
3.28
10.82
17-31/32
26-9/32
3.28
No
20
70
21-1/2
76-7/16
4
16
34
6.88
3.53
11.41
17-31/32
28-1/4
3.53
No
20
74
21-1/2
80-7/16
4
16
36
7.29
3.77
12.01
17-31/32
30-1/4
3.77
No
20
78
25-1/2
36-7/16
4
20
14
3.43
1.3
6.45
21-31/32
8-1/2
1.3
No
24
34
25-1/2
40-7/16
4
20
16
3.96
1.59
7.16
21-31/32
10-15/32
1.59
No
24
38
25-1/2
48-7/16
4
20
20
5.01
2.2
8.58
21-31/32
14-13/32
2.2
No
24
46
25-1/2
52-7/16
4
20
22
5.54
2.5
9.29
21-31/32
16-3/8
2.5
No
24
50
25-1/2
56-7/16
4
20
24
6.07
2.8
9.99
21-31/32
18-11/32
2.8
No
24
54
25-1/2
60-7/16
4
20
26
6.6
3.1
10.7
21-31/32
20-5/16
3.1
No
24
58
25-1/2
64-7/16
4
20
28
7.13
3.4
11.41
21-31/32
22-5/16
3.4
No
24
62
25-1/2
68-7/16
4
20
30
7.65
3.7
12.12
21-31/32
24-9/32
3.7
No
24
66
25-1/2
72-7/16
4
20
32
8.18
4.01
12.83
21-31/32
26-9/32
4.01
No
24
70
25-1/2
76-7/16
4
20
34
8.71
4.31
13.54
21-31/32
28-1/4
4.31
No
24
74
25-1/2
80-7/16
4
20
36
9.24
4.61
14.24
21-31/32
30-1/4
4.61
No
24
78
29-1/2
36-7/16
5
24
14
4.15
1.37
7.46
25-31/32
7-19/32
1.37
No
28
34
29-1/2
40-7/16
5
24
16
4.79
1.72
8.28
25-31/32
9-9/16
1.72
No
28
38
29-1/2
48-7/16
5
24
20
6.07
2.43
9.92
25-31/32
13-15/32
2.43
No
28
46
29-1/2
52-7/16
5
24
22
6.71
2.78
10.74
25-31/32
15-7/16
2.78
No
28
50
29-1/2
56-7/16
5
24
24
7.35
3.14
11.56
25-31/32
17-7/16
3.14
No
28
54
29-1/2
60-7/16
5
24
26
7.99
3.5
12.38
25-31/32
19-13/32
3.5
No
28
58
29-1/2
64-7/16
5
24
28
8.63
3.85
13.2
25-31/32
21-3/8
3.85
No
28
62
29-1/2
68-7/16
5
24
30
9.26
4.21
14.02
25-31/32
23-3/8
4.21
No
28
66
29-1/2
72-7/16
5
24
32
9.9
4.57
14.84
25-31/32
25-11/32
4.57
No
28
70
29-1/2
76-7/16
5
24
34
10.54
4.93
15.66
25-31/32
27-5/16
4.93
No
28
74
29-1/2
80-7/16
5
24
36
11.18
5.28
16.48
25-31/32
29-5/16
5.28
No
28
78
31-1/2
36-7/16
5
26
14
4.51
1.47
7.97
27-31/32
7-19/32
1.47
No
30
34
31-1/2
40-7/16
5
26
16
5.21
1.85
8.85
27-31/32
9-9/16
1.85
No
30
38
31-1/2
48-7/16
5
26
20
6.6
2.62
10.6
27-31/32
13-15/32
2.62
No
30
46
31-1/2
52-7/16
5
26
22
7.29
3
11.47
27-31/32
15-7/16
3
No
30
50
31-1/2
56-7/16
5
26
24
7.99
3.38
12.35
27-31/32
17-7/16
3.38
No
30
54
31-1/2
60-7/16
5
26
26
8.68
3.77
13.22
27-31/32
19-13/32
3.77
No
30
58
31-1/2
64-7/16
5
26
28
9.38
4.15
14.1
27-31/32
21-3/8
4.15
No
30
62
31-1/2
68-7/16
5
26
30
10.07
4.54
14.97
27-31/32
23-3/8
4.54
No
30
66
31-1/2
72-7/16
5
26
32
10.76
4.92
15.85
27-31/32
25-11/32
4.92
No
30
70
31-1/2
76-7/16
5
26
34
11.46
5.3
16.72
27-31/32
27-5/16
5.3
No
30
74
31-1/2
80-7/16
5
26
36
12.15
5.69
17.6
27-31/32
29-5/16
5.69
No
30
78
33-1/2
36-7/16
5
28
14
4.88
1.58
8.48
27-31/32
7-19/32
1.58
No
32
34
33-1/2
40-7/16
5
28
16
5.63
1.99
9.41
29-31/32
9-9/16
1.99
No
32
38
33-1/2
48-7/16
5
28
20
7.13
2.8
11.27
29-31/32
13-15/32
2.8
No
32
46
33-1/2
52-7/16
5
28
22
7.88
3.21
12.2
29-31/32
15-7/16
3.21
No
32
50
33-1/2
56-7/16
5
28
24
8.63
3.63
13.13
29-31/32
17-7/16
3.63
No
32
54
33-1/2
60-7/16
5
28
26
9.38
4.04
14.06
29-31/32
19-13/32
4.04
No
32
58
33-1/2
64-7/16
5
28
28
10.13
4.45
14.99
29-31/32
21-3/8
4.45
No
32
62
33-1/2
68-7/16
5
28
30
10.88
4.86
15.92
29-31/32
23-3/8
4.86
No
32
66
33-1/2
72-7/16
5
28
32
11.63
5.27
16.85
29-31/32
25-11/32
5.27
No
32
70
33-1/2
76-7/16
5
28
34
12.38
5.68
17.78
29-31/32
27-5/16
5.68
No
32
74
33-1/2
80-7/16
5
28
36
13.13
6.1
18.71
29-31/32
29-5/16
6.1
No
32
78
35-1/2
36-7/16
5
30
14
5.24
1.69
8.98
31-31/32
7-19/32
1.69
No
34
34
35-1/2
40-7/16
5
30
16
6.04
2.12
9.97
31-31/32
9-9/16
2.12
No
34
38
35-1/2
48-7/16
5
30
20
7.65
2.99
11.94
31-31/32
13-15/32
2.99
No
34
46
35-1/2
52-7/16
5
30
22
8.46
3.43
12.93
31-31/32
15-7/16
3.43
No
34
50
35-1/2
56-7/16
5
30
24
9.26
3.87
13.91
31-31/32
17-7/16
3.87
No
34
54
35-1/2
60-7/16
5
30
26
10.07
4.3
14.9
31-31/32
19-13/32
4.3
No
34
58
35-1/2
64-7/16
5
30
28
10.88
4.75
15.89
31-31/32
21-3/8
4.75
No
34
62
35-1/2
68-7/16
5
30
30
11.68
5.19
16.87
31-31/32
23-3/8
5.19
No
34
66
35-1/2
72-7/16
5
30
32
12.49
5.62
17.86
31-31/32
25-11/32
5.62
No
34
70
35-1/2
76-7/16
5
30
34
13.29
6.06
18.84
31-31/32
27-5/16
6.06
No
34
74
35-1/2
80-7/16
5
30
36
14.1
6.5
19.83
31-31/32
29-5/16
6.5
No
34
78
37-1/2
36-7/16
6
32
14
5.6
1.58
9.49
33-31/32
6-11/16
1.58
No
36
34
37-1/2
40-7/16
6
32
16
6.46
2.04
10.53
33-31/32
8-21/32
2.04
No
36
38
37-1/2
48-7/16
6
32
20
8.18
2.96
12.61
33-31/32
12-21/32
2.96
No
36
46
37-1/2
52-7/16
6
32
22
9.04
3.42
13.66
33-31/32
14-17/32
3.42
No
36
50
37-1/2
56-7/16
6
32
24
9.9
3.89
14.7
33-31/32
16-1/2
3.89
No
36
54
37-1/2
60-7/16
6
32
26
10.76
4.36
15.74
33-31/32
18-15/32
4.36
No
36
58
37-1/2
64-7/16
6
32
28
11.63
4.82
16.78
33-31/32
20-7/16
4.82
No
36
62
37-1/2
68-7/16
6
32
30
12.49
5.29
17.82
33-31/32
22-7/16
5.29
No
36
66
37-1/2
72-7/16
6
32
32
13.35
5.75
18.86
33-31/32
24-13/32
5.75
No
36
70
37-1/2
76-7/16
6
32
34
14.21
6.22
19.91
33-31/32
26-3/8
6.22
No
36
74
37-1/2
80-7/16
6
32
36
15.07
6.69
20.95
33-31/32
28-3/8
6.69
No
36
78
41-1/2
36-7/16
6
36
14
6.32
1.76
10.5
37-31/32
6-11/16
1.76
No
40
34
41-1/2
40-7/16
6
36
16
7.29
2.28
11.65
37-31/32
8-21/32
2.28
No
40
38
41-1/2
48-7/16
6
36
20
9.24
3.31
13.96
37-31/32
12-21/32
3.31
No
40
46
41-1/2
52-7/16
6
36
22
10.21
3.83
15.11
37-31/32
14-17/32
3.83
No
40
50
41-1/2
56-7/16
6
36
24
11.18
4.35
16.26
37-31/32
16-1/2
4.35
No
40
54
41-1/2
60-7/16
6
36
26
12.15
4.87
17.42
37-31/32
18-15/32
4.87
No
40
58
41-1/2
64-7/16
6
36
28
13.13
5.39
18.57
37-31/32
20-7/16
5.39
No
40
62
41-1/2
68-7/16
6
36
30
14.1
5.91
19.72
37-31/32
22-7/16
5.91
No
40
66
41-1/2
72-7/16
6
36
32
15.07
6.43
20.88
37-31/32
24-13/32
6.43
No
40
70
41-1/2
76-7/16
6
36
34
16.04
6.95
22.03
37-31/32
26-3/8
6.95
No
40
74
41-1/2
80-7/16
6
36
36
17.01
7.48
23.18
37-31/32
28-3/8
7.48
No
40
78
45-1/2
36-7/16
7
40
14
7.04
1.68
11.51
41-31/32
5-25/32
1.68
No
44
34
45-1/2
40-7/16
7
40
16
8.13
2.25
12.78
41-31/32
7-23/32
2.25
No
44
38
45-1/2
48-7/16
7
40
20
10.29
3.39
15.3
41-31/32
11-5/8
3.39
No
44
46
45-1/2
52-7/16
7
40
22
11.38
3.96
16.57
41-31/32
13-19/32
3.96
No
44
50
45-1/2
56-7/16
7
40
24
12.46
4.54
17.83
41-31/32
15-9/16
4.54
No
44
54
45-1/2
60-7/16
7
40
26
13.54
5.11
19.1
41-31/32
17-17/32
5.11
No
44
58
45-1/2
64-7/16
7
40
28
14.63
5.68
20.36
41-31/32
19-1/2
5.68
No
44
62
45-1/2
68-7/16
7
40
30
15.71
6.26
21.62
41-31/32
21-15/32
6.26
No
44
66
45-1/2
72-7/16
7
40
32
16.79
6.84
22.89
41-31/32
23-15/32
6.84
No
44
70
45-1/2
76-7/16
7
40
34
17.88
7.41
24.15
41-31/32
25-7/16
7.41
No
44
74
45-1/2
80-7/16
7
40
36
18.96
7.99
25.42
41-31/32
27-13/32
7.99
No
44
78
Ultra Series Sterling Double Hung
Sterling Cottage Style DH High and Impact Performance (Standard or Reverse Cottage)
Frame Size
Glass Size
Area Size
Clear Opening
Cottage-Style
Sash Opening
Additional Details
Width (in.)
Height (in.)
Width (in.)
Height (in.)
Bottom Sash Height
Daylight (ft²)
Vent (ft²)
Frame (ft²)
Width (in.)
Height (in.)
Area (ft²)
Meets Most EER Codes
Top Sash Glass %
Bottom Sash Glass %
Width (in.)
Height (in.)
21-1/2
68-7/16
16
24
36
6.04
2.73
10.22
17-31/32
21-7/8
2.73
No
0.4
0.6
20
66
25-1/2
68-7/16
20
24
36
7.65
3.34
12.12
21-31/32
21-7/8
3.34
No
0.4
0.6
24
66
29-1/2
68-7/16
24
24
36
9.26
3.94
14.02
25-31/32
21-7/8
3.94
No
0.4
0.6
28
66
33-1/2
68-7/16
28
24
36
10.88
4.55
15.92
29-31/32
21-7/8
4.55
No
0.4
0.6
32
66
37-1/2
68-7/16
32
24
36
12.49
5.16
17.82
33-31/32
21-7/8
5.16
No
0.4
0.6
36
66
41-1/2
68-7/16
36
24
36
14.1
5.77
19.72
37-31/32
21-7/8
5.77
No
0.4
0.6
40
66
45-1/2
68-7/16
40
24
36
15.71
6.38
21.62
41-31/32
21-7/8
6.38
No
0.4
0.6
44
66
Ultra Series Sterling Double Hung
Sterling Cottage Style DH Standard Performance (Standard or Reverse Cottage)
Frame Size
Glass Size
Area Size
Clear Opening
Cottage-Style
Sash Opening
Additional Details
Width (in.)
Height (in.)
Width (in.)
Height (in.)
Bottom Sash Height
Daylight (ft²)
Vent (ft²)
Frame (ft²)
Width (in.)
Height (in.)
Area (ft²)
Meets Most EER Codes
Top Sash Glass %
Bottom Sash Glass %
Width (in.)
Height (in.)
21-1/2
68-7/16
16
24
36
6.04
2.79
10.22
17-31/32
22-3/8
2.79
No
0.4
0.6
20
66
25-1/2
68-7/16
20
24
36
7.65
3.41
12.12
21-31/32
22-3/8
3.41
No
0.4
0.6
24
66
29-1/2
68-7/16
24
24
36
9.26
4.04
14.02
25-31/32
22-3/8
4.04
No
0.4
0.6
28
66
31-1/2
68-7/16
26
24
36
10.07
4.35
14.97
27-31/32
22-3/8
4.35
No
0.4
0.6
30
66
33-1/2
68-7/16
28
24
36
10.88
4.66
15.92
29-31/32
22-3/8
4.66
No
0.4
0.6
32
66
35-1/2
68-7/16
30
24
36
11.68
4.97
16.87
31-31/32
22-3/8
4.97
No
0.4
0.6
34
66
37-1/2
68-7/16
32
24
36
12.49
5.28
17.82
33-31/32
22-3/8
5.28
No
0.4
0.6
36
66
41-1/2
68-7/16
36
24
36
14.1
5.9
19.72
37-31/32
22-3/8
5.9
No
0.4
0.6
40
66
45-1/2
68-7/16
40
24
36
15.71
6.52
21.62
41-31/32
22-3/8
6.52
No
0.4
0.6
44
66
Ultra Series Sterling Double Hung
Sterling Cottage Style DH with Class 5 Balances High and Impact Performance (Standard or Reverse Cottage)
Frame Size
Glass Size
Area Size
Clear Opening
Cottage-Style
Sash Opening
Additional Details
Width (in.)
Height (in.)
Width (in.)
Height (in.)
Bottom Sash Height
Daylight (ft²)
Vent (ft²)
Frame (ft²)
Width (in.)
Height (in.)
Area (ft²)
Meets Most EER Codes
Top Sash Glass %
Bottom Sash Glass %
Width (in.)
Height (in.)
21-1/2
68-7/16
16
24
36
6.04
2.48
10.22
17-31/32
19-7/8
2.48
No
0.4
0.6
20
66
25-1/2
68-7/16
20
24
36
7.65
3.03
12.12
21-31/32
19-7/8
3.03
No
0.4
0.6
24
66
29-1/2
68-7/16
24
24
36
9.26
3.58
14.02
25-31/32
19-7/8
3.58
No
0.4
0.6
28
66
33-1/2
68-7/16
28
24
36
10.88
4.14
15.92
29-31/32
19-7/8
4.14
No
0.4
0.6
32
66
37-1/2
68-7/16
32
24
36
12.49
4.69
17.82
33-31/32
19-7/8
4.69
No
0.4
0.6
36
66
41-1/2
68-7/16
36
24
36
14.1
5.24
19.72
37-31/32
19-7/8
5.24
No
0.4
0.6
40
66
45-1/2
68-7/16
40
24
36
15.71
5.79
21.62
41-31/32
19-7/8
5.79
No
0.4
0.6
44
66
Ultra Series Sterling Double Hung
Sterling Cottage Style DH with Class 5 Balances Standard Performance (Standard or Reverse Cottage)
Frame Size
Glass Size
Area Size
Clear Opening
Cottage-Style
Sash Opening
Additional Details
Width (in.)
Height (in.)
Width (in.)
Height (in.)
Bottom Sash Height
Daylight (ft²)
Vent (ft²)
Frame (ft²)
Width (in.)
Height (in.)
Area (ft²)
Meets Most EER Codes
Top Sash Glass %
Bottom Sash Glass %
Width (in.)
Height (in.)
21-1/2
68-7/16
16
24
36
6.04
2.54
10.22
17-31/32
20-3/8
2.54
No
0.4
0.6
20
66
25-1/2
68-7/16
20
24
36
7.65
3.11
12.12
21-31/32
20-3/8
3.11
No
0.4
0.6
24
66
29-1/2
68-7/16
24
24
36
9.26
3.67
14.02
25-31/32
20-3/8
3.67
No
0.4
0.6
28
66
31-1/2
68-7/16
26
24
36
10.07
3.96
14.97
27-31/32
20-3/8
3.96
No
0.4
0.6
30
66
33-1/2
68-7/16
28
24
36
10.88
4.24
15.92
29-31/32
20-3/8
4.24
No
0.4
0.6
32
66
35-1/2
68-7/16
30
24
36
11.68
4.52
16.87
31-31/32
20-3/8
4.52
No
0.4
0.6
34
66
37-1/2
68-7/16
32
24
36
12.49
4.81
17.82
33-31/32
20-3/8
4.81
No
0.4
0.6
36
66
41-1/2
68-7/16
36
24
36
14.1
5.37
19.72
37-31/32
20-3/8
5.37
No
0.4
0.6
40
66
45-1/2
68-7/16
40
24
36
15.71
5.94
21.62
41-31/32
20-3/8
5.94
No
0.4
0.6
44
66
Ultra Series Sterling Double Hung
Sterling DH High and Impact Performance
Frame Size
Glass Size
Clear Opening
Sash Size
Additional Details
Width (in.)
Height (in.)
Width (in.)
Height (in.)
Daylight Area (ft²)
Vent Area (ft²)
Frame Area (ft²)
Width (in.)
Height (in.)
Area (ft²)
Meets Most EER Codes
Width (in.)
Height (in.)
21-1/2
36-7/16
16
14
2.71
1.48
5.44
17-31/32
11-7/8
1.48
No
20
34
21-1/2
40-7/16
16
16
3.12
1.73
6.04
17-31/32
13-7/8
1.73
No
20
38
21-1/2
48-7/16
16
20
3.96
2.23
7.23
17-31/32
17-7/8
2.23
No
20
46
21-1/2
52-7/16
16
22
4.38
2.48
7.83
17-31/32
19-7/8
2.48
No
20
50
21-1/2
56-7/16
16
24
4.79
2.73
8.43
17-31/32
21-7/8
2.73
No
20
54
21-1/2
60-7/16
16
26
5.21
2.98
9.02
17-31/32
23-7/8
2.98
No
20
58
21-1/2
64-7/16
16
28
5.62
3.23
9.62
17-31/32
25-7/8
3.23
No
20
62
21-1/2
68-7/16
16
30
6.04
3.48
10.22
17-31/32
27-7/8
3.48
No
20
66
21-1/2
72-7/16
16
32
6.46
3.73
10.82
17-31/32
29-7/8
3.73
No
20
70
21-1/2
76-7/16
16
34
6.88
3.98
11.41
17-31/32
31-7/8
3.98
No
20
74
21-1/2
80-7/16
16
36
7.29
4.23
12.01
17-31/32
33-7/8
4.23
No
20
78
25-1/2
36-7/16
20
14
3.43
1.81
6.45
21-31/32
11-7/8
1.81
No
24
34
25-1/2
40-7/16
20
16
3.96
2.12
7.16
21-31/32
13-7/8
2.12
No
24
38
25-1/2
48-7/16
20
20
5.01
2.73
8.58
21-31/32
17-7/8
2.73
No
24
46
25-1/2
52-7/16
20
22
5.54
3.03
9.29
21-31/32
19-7/8
3.03
No
24
50
25-1/2
56-7/16
20
24
6.07
3.34
9.99
21-31/32
21-7/8
3.34
No
24
54
25-1/2
60-7/16
20
26
6.6
3.64
10.7
21-31/32
23-7/8
3.64
No
24
58
25-1/2
64-7/16
20
28
7.12
3.95
11.41
21-31/32
25-7/8
3.95
No
24
62
25-1/2
68-7/16
20
30
7.65
4.25
12.12
21-31/32
27-7/8
4.25
No
24
66
25-1/2
72-7/16
20
32
8.18
4.56
12.83
21-31/32
29-7/8
4.56
No
24
70
25-1/2
76-7/16
20
34
8.71
4.86
13.54
21-31/32
31-7/8
4.86
No
24
74
25-1/2
80-7/16
20
36
9.24
5.17
14.24
21-31/32
33-7/8
5.17
No
24
78
29-1/2
36-7/16
24
14
4.15
2.14
7.46
25-31/32
11-7/8
2.14
No
28
34
29-1/2
40-7/16
24
16
4.79
2.5
8.28
25-31/32
13-7/8
2.5
No
28
38
29-1/2
48-7/16
24
20
6.07
3.22
9.92
25-31/32
17-7/8
3.22
No
28
46
29-1/2
52-7/16
24
22
6.71
3.58
10.74
25-31/32
19-7/8
3.58
No
28
50
29-1/2
56-7/16
24
24
7.35
3.94
11.56
25-31/32
21-7/8
3.94
No
28
54
29-1/2
60-7/16
24
26
7.99
4.31
12.38
25-31/32
23-7/8
4.31
No
28
58
29-1/2
64-7/16
24
28
8.62
4.67
13.2
25-31/32
25-7/8
4.67
No
28
62
29-1/2
68-7/16
24
30
9.26
5.03
14.02
25-31/32
27-7/8
5.03
No
28
66
29-1/2
72-7/16
24
32
9.9
5.39
14.84
25-31/32
29-7/8
5.39
No
28
70
29-1/2
76-7/16
24
34
10.54
5.75
15.66
25-31/32
31-7/8
5.75
Yes
28
74
29-1/2
80-7/16
24
36
11.18
6.11
16.48
25-31/32
33-7/8
6.11
Yes
28
78
31-1/2
36-7/16
26
14
4.51
2.31
7.97
27-31/32
11-7/8
2.31
No
30
34
31-1/2
40-7/16
26
16
5.21
2.69
8.85
27-31/32
13-7/8
2.69
No
30
38
31-1/2
48-7/16
26
20
6.6
3.47
10.6
27-31/32
17-7/8
3.47
No
30
46
31-1/2
52-7/16
26
22
7.29
3.86
11.47
27-31/32
19-7/8
3.86
No
30
50
31-1/2
56-7/16
26
24
7.99
4.25
12.35
27-31/32
21-7/8
4.25
No
30
54
31-1/2
60-7/16
26
26
8.68
4.64
13.22
27-31/32
23-7/8
4.64
No
30
58
31-1/2
64-7/16
26
28
9.38
5.03
14.1
27-31/32
25-7/8
5.03
No
30
62
31-1/2
68-7/16
26
30
10.07
5.41
14.97
27-31/32
27-7/8
5.41
No
30
66
31-1/2
72-7/16
26
32
10.76
5.8
15.85
27-31/32
29-7/8
5.8
Yes
30
70
31-1/2
76-7/16
26
34
11.46
6.19
16.72
27-31/32
31-7/8
6.19
Yes
30
74
31-1/2
80-7/16
26
36
12.15
6.58
17.6
27-31/32
33-7/8
6.58
Yes
30
78
33-1/2
36-7/16
28
14
4.88
2.47
8.48
29-31/32
11-7/8
2.47
No
32
34
33-1/2
40-7/16
28
16
5.62
2.89
9.41
29-31/32
13-7/8
2.89
No
32
38
33-1/2
48-7/16
28
20
7.12
3.72
11.27
29-31/32
17-7/8
3.72
No
32
46
33-1/2
52-7/16
28
22
7.88
4.14
12.2
29-31/32
19-7/8
4.14
No
32
50
33-1/2
56-7/16
28
24
8.62
4.55
13.13
29-31/32
21-7/8
4.55
No
32
54
33-1/2
60-7/16
28
26
9.38
4.97
14.06
29-31/32
23-7/8
4.97
No
32
58
33-1/2
64-7/16
28
28
10.12
5.39
14.99
29-31/32
25-7/8
5.39
No
32
62
33-1/2
68-7/16
28
30
10.88
5.8
15.92
29-31/32
27-7/8
5.8
Yes
32
66
33-1/2
72-7/16
28
32
11.62
6.22
16.85
29-31/32
29-7/8
6.22
Yes
32
70
33-1/2
76-7/16
28
34
12.38
6.63
17.78
29-31/32
31-7/8
6.63
Yes
32
74
33-1/2
80-7/16
28
36
13.12
7.05
18.71
29-31/32
33-7/8
7.05
Yes
32
78
35-1/2
36-7/16
30
14
5.24
2.64
8.98
31-31/32
11-7/8
2.64
No
34
34
35-1/2
40-7/16
30
16
6.04
3.08
9.97
31-31/32
13-7/8
3.08
No
34
38
35-1/2
48-7/16
30
20
7.65
3.97
11.94
31-31/32
17-7/8
3.97
No
34
46
35-1/2
52-7/16
30
22
8.46
4.41
12.93
31-31/32
19-7/8
4.41
No
34
50
35-1/2
56-7/16
30
24
9.26
4.86
13.91
31-31/32
21-7/8
4.86
No
34
54
35-1/2
60-7/16
30
26
10.07
5.3
14.9
31-31/32
23-7/8
5.3
No
34
58
35-1/2
64-7/16
30
28
10.88
5.74
15.89
31-31/32
25-7/8
5.74
Yes
34
62
35-1/2
68-7/16
30
30
11.68
6.19
16.87
31-31/32
27-7/8
6.19
Yes
34
66
35-1/2
72-7/16
30
32
12.49
6.63
17.86
31-31/32
29-7/8
6.63
Yes
34
70
35-1/2
76-7/16
30
34
13.29
7.08
18.84
31-31/32
31-7/8
7.08
Yes
34
74
35-1/2
80-7/16
30
36
14.1
7.52
19.83
31-31/32
33-7/8
7.52
Yes
34
78
37-1/2
36-7/16
32
14
5.6
2.8
9.49
33-31/32
11-7/8
2.8
No
36
34
37-1/2
40-7/16
32
16
6.46
3.27
10.53
33-31/32
13-7/8
3.27
No
36
38
37-1/2
48-7/16
32
20
8.18
4.22
12.61
33-31/32
17-7/8
4.22
No
36
46
37-1/2
52-7/16
32
22
9.04
4.69
13.66
33-31/32
19-7/8
4.69
No
36
50
37-1/2
56-7/16
32
24
9.9
5.16
14.7
33-31/32
21-7/8
5.16
No
36
54
37-1/2
60-7/16
32
26
10.76
5.63
15.74
33-31/32
23-7/8
5.63
No
36
58
37-1/2
64-7/16
32
28
11.62
6.1
16.78
33-31/32
25-7/8
6.1
Yes
36
62
37-1/2
68-7/16
32
30
12.49
6.58
17.82
33-31/32
27-7/8
6.58
Yes
36
66
37-1/2
72-7/16
32
32
13.35
7.05
18.86
33-31/32
29-7/8
7.05
Yes
36
70
37-1/2
76-7/16
32
34
14.21
7.52
19.91
33-31/32
31-7/8
7.52
Yes
36
74
37-1/2
80-7/16
32
36
15.07
7.99
20.95
33-31/32
33-7/8
7.99
Yes
36
78
41-1/2
36-7/16
36
14
6.32
3.13
10.5
37-31/32
11-7/8
3.13
No
40
34
41-1/2
40-7/16
36
16
7.29
3.66
11.65
37-31/32
13-7/8
3.66
No
40
38
41-1/2
48-7/16
36
20
9.24
4.71
13.96
37-31/32
17-7/8
4.71
No
40
46
41-1/2
52-7/16
36
22
10.21
5.24
15.11
37-31/32
19-7/8
5.24
No
40
50
41-1/2
56-7/16
36
24
11.18
5.77
16.26
37-31/32
21-7/8
5.77
No
40
54
41-1/2
60-7/16
36
26
12.15
6.3
17.42
37-31/32
23-7/8
6.3
No
40
58
41-1/2
64-7/16
36
28
13.12
6.82
18.57
37-31/32
25-7/8
6.82
Yes
40
62
41-1/2
68-7/16
36
30
14.1
7.35
19.72
37-31/32
27-7/8
7.35
Yes
40
66
41-1/2
72-7/16
36
32
15.07
7.88
20.88
37-31/32
29-7/8
7.88
Yes
40
70
41-1/2
76-7/16
36
34
16.04
8.4
22.03
37-31/32
31-7/8
8.4
Yes
40
74
41-1/2
80-7/16
36
36
17.01
8.93
23.18
37-31/32
33-7/8
8.93
Yes
40
78
45-1/2
36-7/16
40
14
7.04
3.46
11.51
41-31/32
11-7/8
3.46
No
44
34
45-1/2
40-7/16
40
16
8.12
4.04
12.78
41-31/32
13-7/8
4.04
No
44
38
45-1/2
48-7/16
40
20
10.29
5.21
15.3
41-31/32
17-7/8
5.21
No
44
46
45-1/2
52-7/16
40
22
11.38
5.79
16.57
41-31/32
19-7/8
5.79
No
44
50
45-1/2
56-7/16
40
24
12.46
6.38
17.83
41-31/32
21-7/8
6.38
No
44
54
45-1/2
60-7/16
40
26
13.54
6.96
19.1
41-31/32
23-7/8
6.96
No
44
58
45-1/2
64-7/16
40
28
14.62
7.54
20.36
41-31/32
25-7/8
7.54
Yes
44
62
45-1/2
68-7/16
40
30
15.71
8.12
21.62
41-31/32
27-7/8
8.12
Yes
44
66
45-1/2
72-7/16
40
32
16.79
8.71
22.89
41-31/32
29-7/8
8.71
Yes
44
70
45-1/2
76-7/16
40
34
17.88
9.29
24.15
41-31/32
31-7/8
9.29
Yes
44
74
45-1/2
80-7/16
40
36
18.96
9.87
25.42
41-31/32
33-7/8
9.87
Yes
44
78
Ultra Series Sterling Double Hung
Sterling DH Standard Performance
Frame Size
Glass Size
Clear Opening
Sash Size
Additional Details
Width (in.)
Height (in.)
Width (in.)
Height (in.)
Daylight Area (ft²)
Vent Area (ft²)
Frame Area (ft²)
Width (in.)
Height (in.)
Area (ft²)
Meets Most EER Codes
Width (in.)
Height (in.)
21-1/2
36-7/16
16
14
2.71
1.54
5.44
17-31/32
12-3/8
1.54
No
20
34
21-1/2
40-7/16
16
16
3.12
1.79
6.04
17-31/32
14-3/8
1.79
No
20
38
21-1/2
48-7/16
16
20
3.96
2.29
7.23
17-31/32
18-3/8
2.29
No
20
46
21-1/2
52-7/16
16
22
4.38
2.54
7.83
17-31/32
20-3/8
2.54
No
20
50
21-1/2
56-7/16
16
24
4.79
2.79
8.43
17-31/32
22-3/8
2.79
No
20
54
21-1/2
60-7/16
16
26
5.21
3.04
9.02
17-31/32
24-3/8
3.04
No
20
58
21-1/2
64-7/16
16
28
5.62
3.29
9.62
17-31/32
26-3/8
3.29
No
20
62
21-1/2
68-7/16
16
30
6.04
3.54
10.22
17-31/32
28-3/8
3.54
No
20
66
21-1/2
72-7/16
16
32
6.46
3.79
10.82
17-31/32
30-3/8
3.79
No
20
70
21-1/2
76-7/16
16
34
6.88
4.04
11.41
17-31/32
32-3/8
4.04
No
20
74
21-1/2
80-7/16
16
36
7.29
4.29
12.01
17-31/32
34-3/8
4.29
No
20
78
25-1/2
36-7/16
20
14
3.43
1.89
6.45
21-31/32
12-3/8
1.89
No
24
34
25-1/2
40-7/16
20
16
3.96
2.19
7.16
21-31/32
14-3/8
2.19
No
24
38
25-1/2
48-7/16
20
20
5.01
2.8
8.58
21-31/32
18-3/8
2.8
No
24
46
25-1/2
52-7/16
20
22
5.54
3.11
9.29
21-31/32
20-3/8
3.11
No
24
50
25-1/2
56-7/16
20
24
6.07
3.41
9.99
21-31/32
22-3/8
3.41
No
24
54
25-1/2
60-7/16
20
26
6.6
3.72
10.7
21-31/32
24-3/8
3.72
No
24
58
25-1/2
64-7/16
20
28
7.12
4.02
11.41
21-31/32
26-3/8
4.02
No
24
62
25-1/2
68-7/16
20
30
7.65
4.33
12.12
21-31/32
28-3/8
4.33
No
24
66
25-1/2
72-7/16
20
32
8.18
4.63
12.83
21-31/32
30-3/8
4.63
No
24
70
25-1/2
76-7/16
20
34
8.71
4.94
13.54
21-31/32
32-3/8
4.94
No
24
74
25-1/2
80-7/16
20
36
9.24
5.24
14.24
21-31/32
34-3/8
5.24
No
24
78
29-1/2
36-7/16
24
14
4.15
2.23
7.46
25-31/32
12-3/8
2.23
No
28
34
29-1/2
40-7/16
24
16
4.79
2.59
8.28
25-31/32
14-3/8
2.59
No
28
38
29-1/2
48-7/16
24
20
6.07
3.31
9.92
25-31/32
18-3/8
3.31
No
28
46
29-1/2
52-7/16
24
22
6.71
3.67
10.74
25-31/32
20-3/8
3.67
No
28
50
29-1/2
56-7/16
24
24
7.35
4.04
11.56
25-31/32
22-3/8
4.04
No
28
54
29-1/2
60-7/16
24
26
7.99
4.4
12.38
25-31/32
24-3/8
4.4
No
28
58
29-1/2
64-7/16
24
28
8.62
4.76
13.2
25-31/32
26-3/8
4.76
No
28
62
29-1/2
68-7/16
24
30
9.26
5.12
14.02
25-31/32
28-3/8
5.12
No
28
66
29-1/2
72-7/16
24
32
9.9
5.48
14.84
25-31/32
30-3/8
5.48
No
28
70
29-1/2
76-7/16
24
34
10.54
5.84
15.66
25-31/32
32-3/8
5.84
Yes
28
74
29-1/2
80-7/16
24
36
11.18
6.2
16.48
25-31/32
34-3/8
6.2
Yes
28
78
31-1/2
36-7/16
26
14
4.51
2.4
7.97
27-31/32
12-3/8
2.4
No
30
34
31-1/2
40-7/16
26
16
5.21
2.79
8.85
27-31/32
14-3/8
2.79
No
30
38
31-1/2
48-7/16
26
20
6.6
3.57
10.6
27-31/32
18-3/8
3.57
No
30
46
31-1/2
52-7/16
26
22
7.29
3.96
11.47
27-31/32
20-3/8
3.96
No
30
50
31-1/2
56-7/16
26
24
7.99
4.35
12.35
27-31/32
22-3/8
4.35
No
30
54
31-1/2
60-7/16
26
26
8.68
4.73
13.22
27-31/32
24-3/8
4.73
No
30
58
31-1/2
64-7/16
26
28
9.38
5.12
14.1
27-31/32
26-3/8
5.12
No
30
62
31-1/2
68-7/16
26
30
10.07
5.51
14.97
27-31/32
28-3/8
5.51
No
30
66
31-1/2
72-7/16
26
32
10.76
5.9
15.85
27-31/32
30-3/8
5.9
Yes
30
70
31-1/2
76-7/16
26
34
11.46
6.29
16.72
27-31/32
32-3/8
6.29
Yes
30
74
31-1/2
80-7/16
26
36
12.15
6.68
17.6
27-31/32
34-3/8
6.68
Yes
30
78
33-1/2
36-7/16
28
14
4.88
2.58
8.48
29-31/32
12-3/8
2.58
No
32
34
33-1/2
40-7/16
28
16
5.62
2.99
9.41
29-31/32
14-3/8
2.99
No
32
38
33-1/2
48-7/16
28
20
7.12
3.82
11.27
29-31/32
18-3/8
3.82
No
32
46
33-1/2
52-7/16
28
22
7.88
4.24
12.2
29-31/32
20-3/8
4.24
No
32
50
33-1/2
56-7/16
28
24
8.62
4.66
13.13
29-31/32
22-3/8
4.66
No
32
54
33-1/2
60-7/16
28
26
9.38
5.07
14.06
29-31/32
24-3/8
5.07
No
32
58
33-1/2
64-7/16
28
28
10.12
5.49
14.99
29-31/32
26-3/8
5.49
No
32
62
33-1/2
68-7/16
28
30
10.88
5.91
15.92
29-31/32
28-3/8
5.91
Yes
32
66
33-1/2
72-7/16
28
32
11.62
6.32
16.85
29-31/32
30-3/8
6.32
Yes
32
70
33-1/2
76-7/16
28
34
12.38
6.74
17.78
29-31/32
32-3/8
6.74
Yes
32
74
33-1/2
80-7/16
28
36
13.12
7.15
18.71
29-31/32
34-3/8
7.15
Yes
32
78
35-1/2
36-7/16
30
14
5.24
2.75
8.98
31-31/32
12-3/8
2.75
No
34
34
35-1/2
40-7/16
30
16
6.04
3.19
9.97
31-31/32
14-3/8
3.19
No
34
38
35-1/2
48-7/16
30
20
7.65
4.08
11.94
31-31/32
18-3/8
4.08
No
34
46
35-1/2
52-7/16
30
22
8.46
4.52
12.93
31-31/32
20-3/8
4.52
No
34
50
35-1/2
56-7/16
30
24
9.26
4.97
13.91
31-31/32
22-3/8
4.97
No
34
54
35-1/2
60-7/16
30
26
10.07
5.41
14.9
31-31/32
24-3/8
5.41
No
34
58
35-1/2
64-7/16
30
28
10.88
5.86
15.89
31-31/32
26-3/8
5.86
Yes
34
62
35-1/2
68-7/16
30
30
11.68
6.3
16.87
31-31/32
28-3/8
6.3
Yes
34
66
35-1/2
72-7/16
30
32
12.49
6.74
17.86
31-31/32
30-3/8
6.74
Yes
34
70
35-1/2
76-7/16
30
34
13.29
7.19
18.84
31-31/32
32-3/8
7.19
Yes
34
74
35-1/2
80-7/16
30
36
14.1
7.63
19.83
31-31/32
34-3/8
7.63
Yes
34
78
37-1/2
36-7/16
32
14
5.6
2.92
9.49
33-31/32
12-3/8
2.92
No
36
34
37-1/2
40-7/16
32
16
6.46
3.39
10.53
33-31/32
14-3/8
3.39
No
36
38
37-1/2
48-7/16
32
20
8.18
4.33
12.61
33-31/32
18-3/8
4.33
No
36
46
37-1/2
52-7/16
32
22
9.04
4.81
13.66
33-31/32
20-3/8
4.81
No
36
50
37-1/2
56-7/16
32
24
9.9
5.28
14.7
33-31/32
22-3/8
5.28
No
36
54
37-1/2
60-7/16
32
26
10.76
5.75
15.74
33-31/32
24-3/8
5.75
Yes
36
58
37-1/2
64-7/16
32
28
11.62
6.22
16.78
33-31/32
26-3/8
6.22
Yes
36
62
37-1/2
68-7/16
32
30
12.49
6.69
17.82
33-31/32
28-3/8
6.69
Yes
36
66
37-1/2
72-7/16
32
32
13.35
7.17
18.86
33-31/32
30-3/8
7.17
Yes
36
70
37-1/2
76-7/16
32
34
14.21
7.64
19.91
33-31/32
32-3/8
7.64
Yes
36
74
37-1/2
80-7/16
32
36
15.07
8.11
20.95
33-31/32
34-3/8
8.11
Yes
36
78
41-1/2
36-7/16
36
14
6.32
3.26
10.5
37-31/32
12-3/8
3.26
No
40
34
41-1/2
40-7/16
36
16
7.29
3.79
11.65
37-31/32
14-3/8
3.79
No
40
38
41-1/2
48-7/16
36
20
9.24
4.84
13.96
37-31/32
18-3/8
4.84
No
40
46
41-1/2
52-7/16
36
22
10.21
5.37
15.11
37-31/32
20-3/8
5.37
No
40
50
41-1/2
56-7/16
36
24
11.18
5.9
16.26
37-31/32
22-3/8
5.9
No
40
54
41-1/2
60-7/16
36
26
12.15
6.43
17.42
37-31/32
24-3/8
6.43
Yes
40
58
41-1/2
64-7/16
36
28
13.12
6.95
18.57
37-31/32
26-3/8
6.95
Yes
40
62
41-1/2
68-7/16
36
30
14.1
7.48
19.72
37-31/32
28-3/8
7.48
Yes
40
66
41-1/2
72-7/16
36
32
15.07
8.01
20.88
37-31/32
30-3/8
8.01
Yes
40
70
41-1/2
76-7/16
36
34
16.04
8.54
22.03
37-31/32
32-3/8
8.54
Yes
40
74
41-1/2
80-7/16
36
36
17.01
9.06
23.18
37-31/32
34-3/8
9.06
Yes
40
78
45-1/2
36-7/16
40
14
7.04
3.61
11.51
41-31/32
12-3/8
3.61
No
44
34
45-1/2
40-7/16
40
16
8.12
4.19
12.78
41-31/32
14-3/8
4.19
No
44
38
45-1/2
48-7/16
40
20
10.29
5.36
15.3
41-31/32
18-3/8
5.36
No
44
46
45-1/2
52-7/16
40
22
11.38
5.94
16.57
41-31/32
20-3/8
5.94
No
44
50
45-1/2
56-7/16
40
24
12.46
6.52
17.83
41-31/32
22-3/8
6.52
No
44
54
45-1/2
60-7/16
40
26
13.54
7.1
19.1
41-31/32
24-3/8
7.1
Yes
44
58
45-1/2
64-7/16
40
28
14.62
7.69
20.36
41-31/32
26-3/8
7.69
Yes
44
62
45-1/2
68-7/16
40
30
15.71
8.27
21.62
41-31/32
28-3/8
8.27
Yes
44
66
45-1/2
72-7/16
40
32
16.79
8.85
22.89
41-31/32
30-3/8
8.85
Yes
44
70
45-1/2
76-7/16
40
34
17.88
9.44
24.15
41-31/32
32-3/8
9.44
Yes
44
74
45-1/2
80-7/16
40
36
18.96
10.02
25.42
41-31/32
34-3/8
10.02
Yes
44
78
Ultra Series Sterling Double Hung
Sterling DH with Class 5 Balances High and Impact Performance
Frame Size
Glass Size
Clear Opening
Sash Size
Additional Details
Width (in.)
Height (in.)
Width (in.)
Height (in.)
Daylight Area (ft²)
Vent Area (ft²)
Frame Area (ft²)
Width (in.)
Height (in.)
Area (ft²)
Meets Most EER Codes
Width (in.)
Height (in.)
21-1/2
36-7/16
16
14
2.71
1.23
5.44
17-31/32
9-7/8
1.23
No
20
34
21-1/2
40-7/16
16
16
3.12
1.48
6.04
17-31/32
11-7/8
1.48
No
20
38
21-1/2
48-7/16
16
20
3.96
1.98
7.23
17-31/32
15-7/8
1.98
No
20
46
21-1/2
52-7/16
16
22
4.38
2.23
7.83
17-31/32
17-7/8
2.23
No
20
50
21-1/2
56-7/16
16
24
4.79
2.48
8.43
17-31/32
19-7/8
2.48
No
20
54
21-1/2
60-7/16
16
26
5.21
2.73
9.02
17-31/32
21-7/8
2.73
No
20
58
21-1/2
64-7/16
16
28
5.62
2.98
9.62
17-31/32
23-7/8
2.98
No
20
62
21-1/2
68-7/16
16
30
6.04
3.23
10.22
17-31/32
25-7/8
3.23
No
20
66
21-1/2
72-7/16
16
32
6.46
3.48
10.82
17-31/32
27-7/8
3.48
No
20
70
21-1/2
76-7/16
16
34
6.88
3.73
11.41
17-31/32
29-7/8
3.73
No
20
74
21-1/2
80-7/16
16
36
7.29
3.98
12.01
17-31/32
31-7/8
3.98
No
20
78
25-1/2
36-7/16
20
14
3.43
1.51
6.45
21-31/32
9-7/8
1.51
No
24
34
25-1/2
40-7/16
20
16
3.96
1.81
7.16
21-31/32
11-7/8
1.81
No
24
38
25-1/2
48-7/16
20
20
5.01
2.42
8.58
21-31/32
15-7/8
2.42
No
24
46
25-1/2
52-7/16
20
22
5.54
2.73
9.29
21-31/32
17-7/8
2.73
No
24
50
25-1/2
56-7/16
20
24
6.07
3.03
9.99
21-31/32
19-7/8
3.03
No
24
54
25-1/2
60-7/16
20
26
6.6
3.34
10.7
21-31/32
21-7/8
3.34
No
24
58
25-1/2
64-7/16
20
28
7.12
3.64
11.41
21-31/32
23-7/8
3.64
No
24
62
25-1/2
68-7/16
20
30
7.65
3.95
12.12
21-31/32
25-7/8
3.95
No
24
66
25-1/2
72-7/16
20
32
8.18
4.25
12.83
21-31/32
27-7/8
4.25
No
24
70
25-1/2
76-7/16
20
34
8.71
4.56
13.54
21-31/32
29-7/8
4.56
No
24
74
25-1/2
80-7/16
20
36
9.24
4.86
14.24
21-31/32
31-7/8
4.86
No
24
78
29-1/2
36-7/16
24
14
4.15
1.78
7.46
25-31/32
9-7/8
1.78
No
28
34
29-1/2
40-7/16
24
16
4.79
2.14
8.28
25-31/32
11-7/8
2.14
No
28
38
29-1/2
48-7/16
24
20
6.07
2.86
9.92
25-31/32
15-7/8
2.86
No
28
46
29-1/2
52-7/16
24
22
6.71
3.22
10.74
25-31/32
17-7/8
3.22
No
28
50
29-1/2
56-7/16
24
24
7.35
3.58
11.56
25-31/32
19-7/8
3.58
No
28
54
29-1/2
60-7/16
24
26
7.99
3.94
12.38
25-31/32
21-7/8
3.94
No
28
58
29-1/2
64-7/16
24
28
8.62
4.31
13.2
25-31/32
23-7/8
4.31
No
28
62
29-1/2
68-7/16
24
30
9.26
4.67
14.02
25-31/32
25-7/8
4.67
No
28
66
29-1/2
72-7/16
24
32
9.9
5.03
14.84
25-31/32
27-7/8
5.03
No
28
70
29-1/2
76-7/16
24
34
10.54
5.39
15.66
25-31/32
29-7/8
5.39
No
28
74
29-1/2
80-7/16
24
36
11.18
5.75
16.48
25-31/32
31-7/8
5.75
Yes
28
78
31-1/2
36-7/16
26
14
4.51
1.92
7.97
27-31/32
9-7/8
1.92
No
30
34
31-1/2
40-7/16
26
16
5.21
2.31
8.85
27-31/32
11-7/8
2.31
No
30
38
31-1/2
48-7/16
26
20
6.6
3.08
10.6
27-31/32
15-7/8
3.08
No
30
46
31-1/2
52-7/16
26
22
7.29
3.47
11.47
27-31/32
17-7/8
3.47
No
30
50
31-1/2
56-7/16
26
24
7.99
3.86
12.35
27-31/32
19-7/8
3.86
No
30
54
31-1/2
60-7/16
26
26
8.68
4.25
13.22
27-31/32
21-7/8
4.25
No
30
58
31-1/2
64-7/16
26
28
9.38
4.64
14.1
27-31/32
23-7/8
4.64
No
30
62
31-1/2
68-7/16
26
30
10.07
5.03
14.97
27-31/32
25-7/8
5.03
No
30
66
31-1/2
72-7/16
26
32
10.76
5.41
15.85
27-31/32
27-7/8
5.41
No
30
70
31-1/2
76-7/16
26
34
11.46
5.8
16.72
27-31/32
29-7/8
5.8
Yes
30
74
31-1/2
80-7/16
26
36
12.15
6.19
17.6
27-31/32
31-7/8
6.19
Yes
30
78
33-1/2
36-7/16
28
14
4.88
2.06
8.48
29-31/32
9-7/8
2.06
No
32
34
33-1/2
40-7/16
28
16
5.62
2.47
9.41
29-31/32
11-7/8
2.47
No
32
38
33-1/2
48-7/16
28
20
7.12
3.3
11.27
29-31/32
15-7/8
3.3
No
32
46
33-1/2
52-7/16
28
22
7.88
3.72
12.2
29-31/32
17-7/8
3.72
No
32
50
33-1/2
56-7/16
28
24
8.62
4.14
13.13
29-31/32
19-7/8
4.14
No
32
54
33-1/2
60-7/16
28
26
9.38
4.55
14.06
29-31/32
21-7/8
4.55
No
32
58
33-1/2
64-7/16
28
28
10.12
4.97
14.99
29-31/32
23-7/8
4.97
No
32
62
33-1/2
68-7/16
28
30
10.88
5.39
15.92
29-31/32
25-7/8
5.39
No
32
66
33-1/2
72-7/16
28
32
11.62
5.8
16.85
29-31/32
27-7/8
5.8
Yes
32
70
33-1/2
76-7/16
28
34
12.38
6.22
17.78
29-31/32
29-7/8
6.22
Yes
32
74
33-1/2
80-7/16
28
36
13.12
6.63
18.71
29-31/32
31-7/8
6.63
Yes
32
78
35-1/2
36-7/16
30
14
5.24
2.19
8.98
31-31/32
9-7/8
2.19
No
34
34
35-1/2
40-7/16
30
16
6.04
2.64
9.97
31-31/32
11-7/8
2.64
No
34
38
35-1/2
48-7/16
30
20
7.65
3.52
11.94
31-31/32
15-7/8
3.52
No
34
46
35-1/2
52-7/16
30
22
8.46
3.97
12.93
31-31/32
17-7/8
3.97
No
34
50
35-1/2
56-7/16
30
24
9.26
4.41
13.91
31-31/32
19-7/8
4.41
No
34
54
35-1/2
60-7/16
30
26
10.07
4.86
14.9
31-31/32
21-7/8
4.86
No
34
58
35-1/2
64-7/16
30
28
10.88
5.3
15.89
31-31/32
23-7/8
5.3
No
34
62
35-1/2
68-7/16
30
30
11.68
5.74
16.87
31-31/32
25-7/8
5.74
Yes
34
66
35-1/2
72-7/16
30
32
12.49
6.19
17.86
31-31/32
27-7/8
6.19
Yes
34
70
35-1/2
76-7/16
30
34
13.29
6.63
18.84
31-31/32
29-7/8
6.63
Yes
34
74
35-1/2
80-7/16
30
36
14.1
7.08
19.83
31-31/32
31-7/8
7.08
Yes
34
78
37-1/2
36-7/16
32
14
5.6
2.33
9.49
33-31/32
9-7/8
2.33
No
36
34
37-1/2
40-7/16
32
16
6.46
2.8
10.53
33-31/32
11-7/8
2.8
No
36
38
37-1/2
48-7/16
32
20
8.18
3.74
12.61
33-31/32
15-7/8
3.74
No
36
46
37-1/2
52-7/16
32
22
9.04
4.22
13.66
33-31/32
17-7/8
4.22
No
36
50
37-1/2
56-7/16
32
24
9.9
4.69
14.7
33-31/32
19-7/8
4.69
No
36
54
37-1/2
60-7/16
32
26
10.76
5.16
15.74
33-31/32
21-7/8
5.16
No
36
58
37-1/2
64-7/16
32
28
11.62
5.63
16.78
33-31/32
23-7/8
5.63
No
36
62
37-1/2
68-7/16
32
30
12.49
6.1
17.82
33-31/32
25-7/8
6.1
Yes
36
66
37-1/2
72-7/16
32
32
13.35
6.58
18.86
33-31/32
27-7/8
6.58
Yes
36
70
37-1/2
76-7/16
32
34
14.21
7.05
19.91
33-31/32
29-7/8
7.05
Yes
36
74
37-1/2
80-7/16
32
36
15.07
7.52
20.95
33-31/32
31-7/8
7.52
Yes
36
78
41-1/2
36-7/16
36
14
6.32
2.6
10.5
37-31/32
9-7/8
2.6
No
40
34
41-1/2
40-7/16
36
16
7.29
3.13
11.65
37-31/32
11-7/8
3.13
No
40
38
41-1/2
48-7/16
36
20
9.24
4.19
13.96
37-31/32
15-7/8
4.19
No
40
46
41-1/2
52-7/16
36
22
10.21
4.71
15.11
37-31/32
17-7/8
4.71
No
40
50
41-1/2
56-7/16
36
24
11.18
5.24
16.26
37-31/32
19-7/8
5.24
No
40
54
41-1/2
60-7/16
36
26
12.15
5.77
17.42
37-31/32
21-7/8
5.77
No
40
58
41-1/2
64-7/16
36
28
13.12
6.3
18.57
37-31/32
23-7/8
6.3
No
40
62
41-1/2
68-7/16
36
30
14.1
6.82
19.72
37-31/32
25-7/8
6.82
Yes
40
66
41-1/2
72-7/16
36
32
15.07
7.35
20.88
37-31/32
27-7/8
7.35
Yes
40
70
41-1/2
76-7/16
36
34
16.04
7.88
22.03
37-31/32
29-7/8
7.88
Yes
40
74
41-1/2
80-7/16
36
36
17.01
8.4
23.18
37-31/32
31-7/8
8.4
Yes
40
78
45-1/2
36-7/16
40
14
7.04
2.88
11.51
41-31/32
9-7/8
2.88
No
44
34
45-1/2
40-7/16
40
16
8.12
3.46
12.78
41-31/32
11-7/8
3.46
No
44
38
45-1/2
48-7/16
40
20
10.29
4.63
15.3
41-31/32
15-7/8
4.63
No
44
46
45-1/2
52-7/16
40
22
11.38
5.21
16.57
41-31/32
17-7/8
5.21
No
44
50
45-1/2
56-7/16
40
24
12.46
5.79
17.83
41-31/32
19-7/8
5.79
No
44
54
45-1/2
60-7/16
40
26
13.54
6.38
19.1
41-31/32
21-7/8
6.38
No
44
58
45-1/2
64-7/16
40
28
14.62
6.96
20.36
41-31/32
23-7/8
6.96
No
44
62
45-1/2
68-7/16
40
30
15.71
7.54
21.62
41-31/32
25-7/8
7.54
Yes
44
66
45-1/2
72-7/16
40
32
16.79
8.12
22.89
41-31/32
27-7/8
8.12
Yes
44
70
45-1/2
76-7/16
40
34
17.88
8.71
24.15
41-31/32
29-7/8
8.71
Yes
44
74
45-1/2
80-7/16
40
36
18.96
9.29
25.42
41-31/32
31-7/8
9.29
Yes
44
78
Ultra Series Sterling Double Hung
Sterling DH with Class 5 Balances Standard Performance
Frame Size
Glass Size
Clear Opening
Sash Size
Additional Details
Width (in.)
Height (in.)
Width (in.)
Height (in.)
Daylight Area (ft²)
Vent Area (ft²)
Frame Area (ft²)
Width (in.)
Height (in.)
Area (ft²)
Meets Most EER Codes
Width (in.)
Height (in.)
21-1/2
36-7/16
16
14
2.71
1.29
5.44
17-31/32
10-3/8
1.29
No
20
34
21-1/2
40-7/16
16
16
3.12
1.54
6.04
17-31/32
12-3/8
1.54
No
20
38
21-1/2
48-7/16
16
20
3.96
2.04
7.23
17-31/32
16-3/8
2.04
No
20
46
21-1/2
52-7/16
16
22
4.38
2.29
7.83
17-31/32
18-3/8
2.29
No
20
50
21-1/2
56-7/16
16
24
4.79
2.54
8.43
17-31/32
20-3/8
2.54
No
20
54
21-1/2
60-7/16
16
26
5.21
2.79
9.02
17-31/32
22-3/8
2.79
No
20
58
21-1/2
64-7/16
16
28
5.62
3.04
9.62
17-31/32
24-3/8
3.04
No
20
62
21-1/2
68-7/16
16
30
6.04
3.29
10.22
17-31/32
26-3/8
3.29
No
20
66
21-1/2
72-7/16
16
32
6.46
3.54
10.82
17-31/32
28-3/8
3.54
No
20
70
21-1/2
76-7/16
16
34
6.88
3.79
11.41
17-31/32
30-3/8
3.79
No
20
74
21-1/2
80-7/16
16
36
7.29
4.04
12.01
17-31/32
32-3/8
4.04
No
20
78
25-1/2
36-7/16
20
14
3.43
1.58
6.45
21-31/32
10-3/8
1.58
No
24
34
25-1/2
40-7/16
20
16
3.96
1.89
7.16
21-31/32
12-3/8
1.89
No
24
38
25-1/2
48-7/16
20
20
5.01
2.5
8.58
21-31/32
16-3/8
2.5
No
24
46
25-1/2
52-7/16
20
22
5.54
2.8
9.29
21-31/32
18-3/8
2.8
No
24
50
25-1/2
56-7/16
20
24
6.07
3.11
9.99
21-31/32
20-3/8
3.11
No
24
54
25-1/2
60-7/16
20
26
6.6
3.41
10.7
21-31/32
22-3/8
3.41
No
24
58
25-1/2
64-7/16
20
28
7.12
3.72
11.41
21-31/32
24-3/8
3.72
No
24
62
25-1/2
68-7/16
20
30
7.65
4.02
12.12
21-31/32
26-3/8
4.02
No
24
66
25-1/2
72-7/16
20
32
8.18
4.33
12.83
21-31/32
28-3/8
4.33
No
24
70
25-1/2
76-7/16
20
34
8.71
4.63
13.54
21-31/32
30-3/8
4.63
No
24
74
25-1/2
80-7/16
20
36
9.24
4.94
14.24
21-31/32
32-3/8
4.94
No
24
78
29-1/2
36-7/16
24
14
4.15
1.87
7.46
25-31/32
10-3/8
1.87
No
28
34
29-1/2
40-7/16
24
16
4.79
2.23
8.28
25-31/32
12-3/8
2.23
No
28
38
29-1/2
48-7/16
24
20
6.07
2.95
9.92
25-31/32
16-3/8
2.95
No
28
46
29-1/2
52-7/16
24
22
6.71
3.31
10.74
25-31/32
18-3/8
3.31
No
28
50
29-1/2
56-7/16
24
24
7.35
3.67
11.56
25-31/32
20-3/8
3.67
No
28
54
29-1/2
60-7/16
24
26
7.99
4.04
12.38
25-31/32
22-3/8
4.04
No
28
58
29-1/2
64-7/16
24
28
8.62
4.4
13.2
25-31/32
24-3/8
4.4
No
28
62
29-1/2
68-7/16
24
30
9.26
4.76
14.02
25-31/32
26-3/8
4.76
No
28
66
29-1/2
72-7/16
24
32
9.9
5.12
14.84
25-31/32
28-3/8
5.12
No
28
70
29-1/2
76-7/16
24
34
10.54
5.48
15.66
25-31/32
30-3/8
5.48
No
28
74
29-1/2
80-7/16
24
36
11.18
5.84
16.48
25-31/32
32-3/8
5.84
Yes
28
78
31-1/2
36-7/16
26
14
4.51
2.02
7.97
27-31/32
10-3/8
2.02
No
30
34
31-1/2
40-7/16
26
16
5.21
2.4
8.85
27-31/32
12-3/8
2.4
No
30
38
31-1/2
48-7/16
26
20
6.6
3.18
10.6
27-31/32
16-3/8
3.18
No
30
46
31-1/2
52-7/16
26
22
7.29
3.57
11.47
27-31/32
18-3/8
3.57
No
30
50
31-1/2
56-7/16
26
24
7.99
3.96
12.35
27-31/32
20-3/8
3.96
No
30
54
31-1/2
60-7/16
26
26
8.68
4.35
13.22
27-31/32
22-3/8
4.35
No
30
58
31-1/2
64-7/16
26
28
9.38
4.73
14.1
27-31/32
24-3/8
4.73
No
30
62
31-1/2
68-7/16
26
30
10.07
5.12
14.97
27-31/32
26-3/8
5.12
No
30
66
31-1/2
72-7/16
26
32
10.76
5.51
15.85
27-31/32
28-3/8
5.51
No
30
70
31-1/2
76-7/16
26
34
11.46
5.9
16.72
27-31/32
30-3/8
5.9
Yes
30
74
31-1/2
80-7/16
26
36
12.15
6.29
17.6
27-31/32
32-3/8
6.29
Yes
30
78
33-1/2
36-7/16
28
14
4.88
2.16
8.48
29-31/32
10-3/8
2.16
No
32
34
33-1/2
40-7/16
28
16
5.62
2.58
9.41
29-31/32
12-3/8
2.58
No
32
38
33-1/2
48-7/16
28
20
7.12
3.41
11.27
29-31/32
16-3/8
3.41
No
32
46
33-1/2
52-7/16
28
22
7.88
3.82
12.2
29-31/32
18-3/8
3.82
No
32
50
33-1/2
56-7/16
28
24
8.62
4.24
13.13
29-31/32
20-3/8
4.24
No
32
54
33-1/2
60-7/16
28
26
9.38
4.66
14.06
29-31/32
22-3/8
4.66
No
32
58
33-1/2
64-7/16
28
28
10.12
5.07
14.99
29-31/32
24-3/8
5.07
No
32
62
33-1/2
68-7/16
28
30
10.88
5.49
15.92
29-31/32
26-3/8
5.49
No
32
66
33-1/2
72-7/16
28
32
11.62
5.91
16.85
29-31/32
28-3/8
5.91
Yes
32
70
33-1/2
76-7/16
28
34
12.38
6.32
17.78
29-31/32
30-3/8
6.32
Yes
32
74
33-1/2
80-7/16
28
36
13.12
6.74
18.71
29-31/32
32-3/8
6.74
Yes
32
78
35-1/2
36-7/16
30
14
5.24
2.3
8.98
31-31/32
10-3/8
2.3
No
34
34
35-1/2
40-7/16
30
16
6.04
2.75
9.97
31-31/32
12-3/8
2.75
No
34
38
35-1/2
48-7/16
30
20
7.65
3.64
11.94
31-31/32
16-3/8
3.64
No
34
46
35-1/2
52-7/16
30
22
8.46
4.08
12.93
31-31/32
18-3/8
4.08
No
34
50
35-1/2
56-7/16
30
24
9.26
4.52
13.91
31-31/32
20-3/8
4.52
No
34
54
35-1/2
60-7/16
30
26
10.07
4.97
14.9
31-31/32
22-3/8
4.97
No
34
58
35-1/2
64-7/16
30
28
10.88
5.41
15.89
31-31/32
24-3/8
5.41
No
34
62
35-1/2
68-7/16
30
30
11.68
5.86
16.87
31-31/32
26-3/8
5.86
Yes
34
66
35-1/2
72-7/16
30
32
12.49
6.3
17.86
31-31/32
28-3/8
6.3
Yes
34
70
35-1/2
76-7/16
30
34
13.29
6.74
18.84
31-31/32
30-3/8
6.74
Yes
34
74
35-1/2
80-7/16
30
36
14.1
7.19
19.83
31-31/32
32-3/8
7.19
Yes
34
78
37-1/2
36-7/16
32
14
5.6
2.45
9.49
33-31/32
10-3/8
2.45
No
36
34
37-1/2
40-7/16
32
16
6.46
2.92
10.53
33-31/32
12-3/8
2.92
No
36
38
37-1/2
48-7/16
32
20
8.18
3.86
12.61
33-31/32
16-3/8
3.86
No
36
46
37-1/2
52-7/16
32
22
9.04
4.33
13.66
33-31/32
18-3/8
4.33
No
36
50
37-1/2
56-7/16
32
24
9.9
4.81
14.7
33-31/32
20-3/8
4.81
No
36
54
37-1/2
60-7/16
32
26
10.76
5.28
15.74
33-31/32
22-3/8
5.28
No
36
58
37-1/2
64-7/16
32
28
11.62
5.75
16.78
33-31/32
24-3/8
5.75
Yes
36
62
37-1/2
68-7/16
32
30
12.49
6.22
17.82
33-31/32
26-3/8
6.22
Yes
36
66
37-1/2
72-7/16
32
32
13.35
6.69
18.86
33-31/32
28-3/8
6.69
Yes
36
70
37-1/2
76-7/16
32
34
14.21
7.17
19.91
33-31/32
30-3/8
7.17
Yes
36
74
37-1/2
80-7/16
32
36
15.07
7.64
20.95
33-31/32
32-3/8
7.64
Yes
36
78
41-1/2
36-7/16
36
14
6.32
2.74
10.5
37-31/32
10-3/8
2.74
No
40
34
41-1/2
40-7/16
36
16
7.29
3.26
11.65
37-31/32
12-3/8
3.26
No
40
38
41-1/2
48-7/16
36
20
9.24
4.32
13.96
37-31/32
16-3/8
4.32
No
40
46
41-1/2
52-7/16
36
22
10.21
4.84
15.11
37-31/32
18-3/8
4.84
No
40
50
41-1/2
56-7/16
36
24
11.18
5.37
16.26
37-31/32
20-3/8
5.37
No
40
54
41-1/2
60-7/16
36
26
12.15
5.9
17.42
37-31/32
22-3/8
5.9
No
40
58
41-1/2
64-7/16
36
28
13.12
6.43
18.57
37-31/32
24-3/8
6.43
Yes
40
62
41-1/2
68-7/16
36
30
14.1
6.95
19.72
37-31/32
26-3/8
6.95
Yes
40
66
41-1/2
72-7/16
36
32
15.07
7.48
20.88
37-31/32
28-3/8
7.48
Yes
40
70
41-1/2
76-7/16
36
34
16.04
8.01
22.03
37-31/32
30-3/8
8.01
Yes
40
74
41-1/2
80-7/16
36
36
17.01
8.54
23.18
37-31/32
32-3/8
8.54
Yes
40
78
45-1/2
36-7/16
40
14
7.04
3.02
11.51
41-31/32
10-3/8
3.02
No
44
34
45-1/2
40-7/16
40
16
8.12
3.61
12.78
41-31/32
12-3/8
3.61
No
44
38
45-1/2
48-7/16
40
20
10.29
4.77
15.3
41-31/32
16-3/8
4.77
No
44
46
45-1/2
52-7/16
40
22
11.38
5.36
16.57
41-31/32
18-3/8
5.36
No
44
50
45-1/2
56-7/16
40
24
12.46
5.94
17.83
41-31/32
20-3/8
5.94
No
44
54
45-1/2
60-7/16
40
26
13.54
6.52
19.1
41-31/32
22-3/8
6.52
No
44
58
45-1/2
64-7/16
40
28
14.62
7.1
20.36
41-31/32
24-3/8
7.1
Yes
44
62
45-1/2
68-7/16
40
30
15.71
7.69
21.62
41-31/32
26-3/8
7.69
Yes
44
66
45-1/2
72-7/16
40
32
16.79
8.27
22.89
41-31/32
28-3/8
8.27
Yes
44
70
45-1/2
76-7/16
40
34
17.88
8.85
24.15
41-31/32
30-3/8
8.85
Yes
44
74
45-1/2
80-7/16
40
36
18.96
9.44
25.42
41-31/32
32-3/8
9.44
Yes
44
78
Ultra Series XL Sterling Double Hung
XL Sterling DH Standard and Impact Performance (Standard or Reverse Cottage)
Frame Size
Glass Size
Area Size
Clear Opening
Cottage-Style
Sash Opening
Additional Details
Width (in.)
Height (in.)
Width (in.)
Height (in.)
Bottom Sash Height
Daylight (ft²)
Vent (ft²)
Frame (ft²)
Width (in.)
Height (in.)
Area (ft²)
Meets Most EER Codes
Top Sash Glass %
Bottom Sash Glass %
Width (in.)
Height (in.)
21-1/2
68-7/16
16
24
36
6.04
2.34
10.22
16-9/16
20-3/8
2.34
No
0.4
0.6
25-1/2
68-7/16
20
24
36
7.65
2.91
12.12
20-9/16
20-3/8
2.91
No
0.4
0.6
29-1/2
68-7/16
24
24
36
9.26
3.48
14.02
24-9/16
20-3/8
3.48
No
0.4
0.6
33-1/2
68-7/16
28
24
36
10.88
4.04
15.92
28-9/16
20-3/8
4.04
No
0.4
0.6
37-1/2
68-7/16
32
24
36
12.49
4.61
17.82
32-9/16
20-3/8
4.61
No
0.4
0.6
41-1/2
68-7/16
36
24
36
14.1
5.17
19.72
36-9/16
20-3/8
5.17
No
0.4
0.6
45-1/2
68-7/16
40
24
36
15.71
5.74
21.62
40-9/16
20-3/8
5.74
No
0.4
0.6