Experts In Rochester Hills, Michigan, For Window Installation If these dimensions are within 1/4 inch of each various other, the frame is plumb. If the frame is not plumb, you might need to get rid of the trim and change the frame's size with shims, or thin items of wood. https://energy-efficient-window-i58147.yomoblog.com/29768039/replacement-of-windows-in-rochester-hills-michigan-is-affordable-and-effective