The quick fix is to install a diagonal cable/turnbuckle assembly from the swinging lower corner (where the vertical lock stile meets the lower cross-rail) up to the opposite corner (where the hinge stile meets the top cross-rail) and tighten the turnbuckle until the door is more. The quick fix is to install a diagonal cable/turnbuckle assembly from the swinging lower corner (where the vertical lock stile meets the lower cross-rail) up to the opposite corner (where the hinge stile meets the top cross-rail) and tighten the turnbuckle until the door is more. Few things are as annoying as a sagging door. A sagging door tilts downwards and to one of the sides, scraping away at the jamb every time you open or close it. When the door is open, it's hard to tell there's a problem. However, when left untreated, this minor inconvenience turns into a big issue. Door sagging, where a door drops out of its square alignment within the frame, is a common household issue that affects both functionality and security. Addressing this problem requires. Is your door sagging, sticking, or just not closing right? Don't worry — Brian from That Fix It Guy is here to show you how to fix it the easy way! In this video, I'll walk you through step-by-step how to diagnose a sagging door, tighten loose hinges, and make quick adjustments that will have your. A sagging door may rub against the frame, drag across flooring, stick at the top corner, or refuse to latch properly. In many cases, the problem is caused by loose hinges or stripped screw holes—and can often be fixed without replacing the door. What can I do to make it not sag? Thanks.