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Home My WebLink AboutJW W2500 DH 7-14-2020Elevations Min-Max Sizing & Formulas ...................................................................................................2 Egress Chart ..........................................................................................................................3 Single Units: Standard Sizing ...............................................................................................................4 Nominal Sizing .................................................................................................................6 Geometric Insash Transom: Standard Sizing ...............................................................................................................8 Nominal Sizing .................................................................................................................9 Product Prefix Suffix Frame Width Frame Height W-2500 Clad-Wood Double-Hung - W-2500 Clad-Wood Double-Hung - Nominal N W-2500 Clad-Wood Geometric Insash Transom - W-2500 Clad-Wood Geometric Insash Transom - Nominal N 25CDH 25CDHT WW HH Rough Opening (Frame Width + 3/4") x (Frame Height + 3/4") Daylight Opening per Sash ft2 ((Frame Width - 5 5/16") x (Frame Height / 2 - 3 5/16")) / 144 Clear Opening ft2 ((Frame Width - 3 9/16") x (Frame Height / 2 - 3 5/8")) / 144 Masonry Opening (Frame Width + 1/2") x (Frame Height + 1/2") Formulas 21 3/8'' 25 3/8'' 29 3/8'' 33 3/8'' 37 3/8'' 41 3/8'' 36'' 1.77 ft² 2.17 ft² 2.57 ft² 2.97 ft² 3.37 ft² 3.77 ft² 40'' 2.02 ft² 2.48 ft² 2.93 ft² 3.38 ft² 3.84 ft² 4.29 ft² 48'' 2.52 ft² 3.08 ft² 3.65 ft² 4.21 ft² 4.78 ft² 5.34 ft² 52'' 2.76 ft² 3.39 ft² 4.01 ft² 4.63 ft² 5.25 ft² 5.87 ft² 56'' 3.01 ft² 3.69 ft² 4.36 ft² 5.04 ft² 5.72 ft² 6.39 ft² 60'' 3.26 ft² 3.99 ft² 4.72 ft² 5.46 ft² 6.19 ft² 6.92 ft² 64'' 3.51 ft² 4.29 ft² 5.08 ft² 5.87 ft² 6.66 ft² 7.44 ft² 68'' 3.75 ft² 4.60 ft² 5.44 ft² 6.28 ft² 7.13 ft² - 72'' 4.00 ft² 4.90 ft² 5.80 ft² 6.70 ft² 7.60 ft² - 76'' 4.25 ft² 5.20 ft² 6.16 ft² 7.11 ft² 8.07 ft² - Single Units 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. Width He i g h t 19 1/4'' 23 1/4'' 27 1/4'' 31 1/4'' 35 1/4'' 35 1/4'' 1.52 ft² 1.91 ft² 2.30 ft² 2.69 ft² 3.07 ft² 41 1/4'' 1.85 ft² 2.32 ft² 2.79 ft² 3.26 ft² 3.73 ft² 47 1/4'' 2.18 ft² 2.73 ft² 3.29 ft² 3.84 ft² 4.39 ft² 53 1/4'' 2.50 ft² 3.14 ft² 3.78 ft² 4.42 ft² 5.06 ft² 59 1/4'' 2.83 ft² 3.55 ft² 4.27 ft² 4.99 ft² 5.72 ft² 65 1/4'' 3.16 ft² 3.96 ft² 4.77 ft² 5.57 ft² 6.38 ft² 71 1/4'' 3.48 ft² 4.37 ft² 5.26 ft² 6.15 ft² 7.04 ft² Single Units - Nominal 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 Width He i g h t