YOW 225/225 H Mullion Design Pressures Frame Width " A " Frame Width " B " Tributary Width is determined by the following: (Frame Width " A " + Frame Width " B " ) / 2 Refer to Florida Product Approvals for anchoring details and additional information. E9-4562 Clipped Stacking Mullion Design Pressure Chart Maximum Design Pressure Capacity (PSF) +/- (Up to and including Florida's HVHZ - Impact) Used on YOW 225 / YOW 225 H Mull Span [Inches] 68 72 76 80 84 88 92 93-1/8 Tributary Width [Inches] - Frame 12 150.0 150.0 150.0 150.0 150.0 150.0 150.0 150.0 18 150.0 150.0 150.0 150.0 150.0 150.0 137.9 134.5 24 150.0 150.0 150.0 150.0 143.9 130.6 119.2 116.2 See notes 1, 2, and 3 on previous page. E9-4579 Unclipped 'I' Mullion Design Pressure Chart Maximum Design Pressure Capacity (PSF) +/- (Up to and including Florida's WZ3 - Impact) Used on YOW 225 / YOW 225 H Mull Span [Inches] 47 49 51 53 56 59 62 66 70 74 *80 Tributary Width [Inches] - Frame 30 65.0 65.0 65.0 65.0 65.0 65.0 65.0 65.0 65.0 65.0 65.0 32 65.0 65.0 65.0 65.0 65.0 65.0 65.0 65.0 65.0 65.0 - 34 65.0 65.0 65.0 65.0 65.0 65.0 65.0 65.0 65.0 - - See notes 1, 2, and 3 on previous page. * 80 " Maximum Casement Frame Height 80-3/8 " Maximum Fixed Frame Height or Combination Window Height Page-58 05-1002-11 | Effective Date: June 2, 2021 36 65.0 65.0 65.0 65.0 65.0 65.0 65.0 65.0 - - - 38 65.0 65.0 65.0 65.0 65.0 65.0 65.0 - - - - 40 65.0 65.0 65.0 65.0 65.0 65.0 - - - - - 42 65.0 65.0 65.0 65.0 65.0 - - - - - - 44 65.0 65.0 65.0 65.0 - - - - - - - 46 65.0 65.0 65.0 - - - - - - - - 48 65.0 65.0 - - - - - - - - - 50 65.0 - - - - - - - - - - 36 150.0 150.0 150.0 140.6 127.4 115.5 105.3 102.7 42 150.0 148.1 137.9 127.4 114.8 104.0 94.7 92.3 48 150.0 143.0 133.0 121.7 109.6 99.2 90.2 87.9 56 150.0 138.5 128.6 116.6 104.9 94.9 86.3 84.1 60 142.3 130.9 121.2 108.1 97.0 87.6 79.6 77.5 Mullion Span