PERIMETER ANCHORAGE 3-1/2 " DEPTH WINDOW SILL FLASHINGS / OPTIONAL SILL EXTENDERS (YOW 350 T, YOW 350 TU, YOW 350 TUH, YOW 350 XT) YOW 350 XT 4-3/8 " [111.1mm] Optional Sill Extender 3-3/8 " [85.7mm] Optional Sill Extender E9-4557 E9-4556 E9-4559 3-1/2 " [88.9mm] 3-1/2 " SILL STARTER W/ STRAP ANCHOR (Pike & Rose Block, YOW 350 T) 3-1/2 " [88.9mm] SILL STARTER BY7-9034 TWIST ANCHOR E1-1970 Effective Date: July 18, 2024 | 05-1017-03 SCALE: 1/2 SIZE 1 2 Page-7 E9-4552 3/8 " [9.5mm] E9-4551 5/8 " [15.9mm] 1/2 " [12.7mm] 1-3/8 " [34.9mm]