As Soon as the door is in place, use a degree to check Should the strike-side edge is plumb. If it’s not, make slight adjustments by pulling the hinge rail out of your jamb a bit at the highest or bottom. There’s generally about 50 % an inch of adjustment https://webtagdirectory.com/listings13070972/shower-door-installation-in-needham-ma-things-to-know-before-you-buy