08/07/2026
Replacing a door comes down to one question.
Keep the old frame, or replace the whole thing?
Swapping just the slab sounds simpler and cheaper.
But an old frame is often worn, out of square, or shifted from years of settling.
A new slab in a bad frame still sticks.
It still drafts.
It still fights the latch.
A pre-hung door replaces the whole unit. Frame, hinges, and slab are already fitted together.
You start square, instead of hoping the old frame still is.
The cheaper fix isn't always the one that lasts.