Elevations Min-Max Sizing & Formulas ...................................................................................................2

Egress Chart ..........................................................................................................................3 Cottage & Reverse Cottage Charts ........................................................................................4 Single Units ............................................................................................................................5

Product Prefix Frame Width Frame Height

Builders Vinyl Double-Hung BLVDH WW HH

Rough Opening (Frame Width + 1/2") x (Frame Height + 1/2")

Daylight Opening - Upper Sash (Frame Width - 6 1/2") x ((Frame Height / 2) - 4 7/16")

Daylight Opening - Lower Sash (Frame Width - 5 5/8") x ((Frame Height / 2) - 3 9/16")

Clear Opening (Frame Width - 4") x ((Frame Height / 2) - 3 3/8")

Masonry Opening (Frame Width + 1/2") x (Frame Height + 1/2")

Formulas

17 1/2 19 1/2 21 1/2 23 1/2 25 1/2 27 1/2 29 1/2 31 1/2 33 1/2 35 1/2 37 1/2 39 1/2 41 1/2 43 1/2 45 1/2 47 1/2

29 1/2 1.07 1.23 1.39 1.54 1.70 1.86 2.02 2.18 2.34 2.49 2.65 2.81 2.97 3.13 3.29 3.44

35 1/2 1.35 1.55 1.75 1.95 2.15 2.35 2.55 2.75 2.95 3.15 3.35 3.55 3.75 3.95 4.15 4.35

36 1/2 1.40 1.60 1.81 2.02 2.22 2.43 2.64 2.85 3.05 3.26 3.47 3.67 3.88 4.09 4.29 4.50

37 1/2 1.44 1.66 1.87 2.09 2.30 2.51 2.73 2.94 3.15 3.37 3.58 3.80 4.01 4.22 4.44 4.65

40 1/2 1.58 1.82 2.05 2.29 2.52 2.76 2.99 3.23 3.46 3.70 3.93 4.17 4.40 4.64 4.87 5.11

41 1/2 1.63 1.87 2.11 2.36 2.60 2.84 3.08 3.32 3.56 3.81 4.05 4.29 4.53 4.77 5.01 5.26

45 1/2 1.82 2.09 2.36 2.63 2.90 3.17 3.44 3.70 3.97 4.24 4.51 4.78 5.05 5.32 5.59 5.86

47 1/2 1.91 2.20 2.48 2.76 3.05 3.33 3.61 3.90 4.18 4.46 4.75 5.03 5.31 5.60 5.88 6.16

48 1/2 1.96 2.25 2.54 2.83 3.12 3.41 3.70 3.99 4.28 4.57 4.86 5.15 5.44 5.73 6.02 6.31

49 1/2 2.01 2.30 2.60 2.90 3.19 3.49 3.79 4.09 4.38 4.68 4.98 5.28 5.57 5.87 6.17 6.46

52 1/2 2.15 2.46 2.78 3.10 3.42 3.74 4.06 4.37 4.69 5.01 5.33 5.65 5.96 6.28 6.60 6.92

53 1/2 2.19 2.52 2.84 3.17 3.49 3.82 4.14 4.47 4.79 5.12 5.44 5.77 6.09 6.42 6.74 7.07

56 1/2 2.33 2.68 3.03 3.37 3.72 4.06 4.41 4.76 5.10 5.45 5.79 6.14 6.48 6.83 7.18 7.52

57 1/2 2.38 2.73 3.09 3.44 3.79 4.14 4.50 4.85 5.20 5.56 5.91 6.26 6.61 6.97 7.32 7.67

59 1/2 2.47 2.84 3.21 3.57 3.94 4.31 4.67 5.04 5.41 5.77 6.14 6.51 6.87 7.24 7.61 7.98

61 1/2 2.57 2.95 3.33 3.71 4.09 4.47 4.85 5.23 5.61 5.99 6.37 6.75 7.14 7.52 7.90 8.28

63 1/2 2.66 3.06 3.45 3.85 4.24 4.63 5.03 5.42 5.82 6.21 6.61 7.00 7.40 7.79 8.18 8.58

64 1/2 2.71 3.11 3.51 3.91 4.31 4.72 5.12 5.52 5.92 6.32 6.72 7.12 7.53 7.93 8.33 8.73

65 1/2 2.76 3.16 3.57 3.98 4.39 4.80 5.21 5.61 6.02 6.43 6.84 7.25 7.66 8.06 8.47 8.88

67 1/2 2.85 3.27 3.69 4.12 4.54 4.96 5.38 5.81 6.23 6.65 7.07 7.49 7.92 8.34 8.76 9.18

68 1/2 2.90 3.33 3.75 4.18 4.61 5.04 5.47 5.90 6.33 6.76 7.19 7.62 8.05 8.48 8.91 9.33

71 1/2 3.04 3.49 3.94 4.39 4.84 5.29 5.74 6.19 6.64 7.09 7.54 7.99 8.44 8.89 9.34 9.79

73 1/2 3.13 3.59 4.06 4.52 4.99 5.45 5.91 6.38 6.84 7.31 7.77 8.23 8.70 9.16 9.63 10.09

76 1/2 3.27 3.76 4.24 4.73 5.21 5.70 6.18 6.66 7.15 7.63 8.12 8.60 9.09 9.57 10.06 10.54

Hei

gth

(Inch

es)

Width (Inches)

Indicates that the unit meets egress specifications. Clear opening must meet or exceed 20" width, 24" height, and 5.7 ft². The number inside indicates the clear opening square footage.

Frame Height Bottom Vent Height

29 1/2'' -35 1/2'' 21 5/8''36 1/2'' 22 3/16''37 1/2'' 22 13/16''40 1/2'' 24 5/8''41 1/2'' 25 3/16''45 1/2'' 27 5/8''47 1/2'' 28 13/16''48 1/2'' 29 3/8''49 1/2'' 30''52 1/2'' 31 13/16''53 1/2'' 32 3/8''56 1/2'' 34 3/16''57 1/2'' 34 13/16''59 1/2'' 36''61 1/2'' 37 3/16''63 1/2'' 38 3/8''64 1/2'' 39''65 1/2'' 39 5/8''67 1/2'' 40 13/16''68 1/2'' 41 3/8''71 1/2'' 43 3/16''73 1/2'' 44 3/8''76 1/2'' 46 3/16''

Frame Height Bottom Vent Height

29 1/2'' 12''35 1/2'' 14 3/8''36 1/2'' 14 13/16''37 1/2'' 15 3/16''40 1/2'' 16 3/8''41 1/2'' 16 13/16''45 1/2'' 18 3/8''47 1/2'' 19 3/16''48 1/2'' 19 5/8''49 1/2'' 20''52 1/2'' 21 3/16''53 1/2'' 21 5/8''56 1/2'' 22 13/16''57 1/2'' 23 3/16''59 1/2'' 24''61 1/2'' 24 13/16''63 1/2'' .25 5/8''64 1/2'' 26''65 1/2'' 26 3/8''67 1/2'' 27 3/16''68 1/2'' 27 5/8''71 1/2'' 28 13/16''73 1/2'' 29 5/8''76 1/2'' 30 13/16''