Why a door won't latch: how to find where the bolt hits the strike plate, check the pocket, hinges and weatherstripping, and when to call.

A leaking door threshold often needs a cap adjustment or a new sweep, not replacement. How to tell, what code allows, and when the sill has rotted.

A sliding patio door that drags, fogs or leaks usually needs a part, not a new door. What fixes each fault, and when replacement wins.

What exterior door repair costs in Wheaton, which jobs the city's permit list actually names, and the 2024 energy code a replacement door has to meet.

What exterior door repair costs in Naperville, which jobs need a permit under the city's 2024 codes, and when a new door is the cheaper answer.

What frame repair costs at each depth, why door frames fail at the sill first, and what makes a repaired frame come back.

What a new exterior door costs installed, what the opening does to that number, and the federal credit that ended in 2025.

Rot hides behind paint. The four signs on a door frame, the screwdriver test that confirms it, and the point where repair stops being worth it.

A door that will not close all the way is usually reporting movement elsewhere. How to read the gap, what to check first, and when the frame is at fault.

Soft wood at the foot of a jamb rarely means a new door. How to tell repairable rot from a failed frame, what each repair costs, and what the sill hides.

Most exterior doors get replaced when the frame was the problem. How to tell whether the door, the jamb or the sill is at fault, and what each costs.