Take the width of the door and layout a radius around the pivot point on both sides of the jamb to see how much space you ll need to allow.
Fitting french doors in place of a window.
Remove the old frame around the opening with a hammer and pry bars where you want to install french doors.
Standard door sizes start at 1 foot 6 inches and are offered at 2 inch increases up to 3 feet wide.
Use the long level and carpenter s square to make sure the inside of the opening is square and true.
Remove trim carefully so you don t damage it and label the pieces as you go to make putting them back up easier.