本帖最后由 APORO 于 2012-2-29 00:16 编辑 . r$ C/ S3 l+ k! W& }$ p : R/ K4 t5 S6 h- R6 zmeasure 2 inchs away from inside face of window fram, there must be a jack stud/ king stud. " c8 {; C' G0 Y0 r, ^( M6 D" n. W2 a # I# D: \2 ?6 R% fOr go as close as you can to the ceiling, and try to hit the double top plates.( m+ {- A# Y5 M