[header] How to adjust a storm door [title] Open the door from the outside and move it up and down. [step] This will show you if the frame or trim of the door needs to be secured. Focus your attention on the hinge side of the door frame to see if there's any movement of the wooden trim or frame. 
[title] Secure the wooden trim with extra nails. [step] You can use a hammer and nails to secure the top of the trim if it's sagging.