Re: Removing Particle Board from Wood Door
You work slowly and carefully.
You might be able to use a router to cut just shy of the original surface, or, you could make kerf cuts just shy of the PB thickness and chisel off the big stuff, then sand the remaining down to original wood, or, you could carefully work with a hammer and chisel.
It's possible the PB was installed because the door was beginning to sag, so be prepared for a weak door structure once the PB is removed.
I suffer from CDO ... Its like OCD, but in alphabetical order, LIKE IT SHOULD BE!!!