DIY sliding door guides

Clear, step-by-step repairs for the most common sliding door problems, with the tools you need and when to stop and call a pro.

Clean the track the right way, which fixes most sticky doors in 20 minutes.

Raise or level a sagging panel so it rolls freely and the lock lines up again.

Safely lift the moving panel out of its frame, the first step for roller work.

The four measurements you need to match a replacement roller.

Swap worn rollers for new ones so the door glides again, step by step.

Measure, match and install a new handle set in about half an hour.

Clear the weep holes and replace worn weatherstrip to stop water and drafts.