I extended the jamb with lumber and used this to extend the threshold to match. M-D Building Products M-D 0 Dual U-Shape Door Bottom, /4 in W X.
Buy products related to door extender products and see what customers say M-D Building Products M-D 0 Dual U-Shape Door Bottom, /4 in W X 36 in 8-Inch and Inch Extension, 4 Pack of Pressure Mounts and 4 Pack of Wall .
There are several ways to extend interior door: · Add an extension (or filler piece) to the bottom of the door. Make sure the old door and the new extension match.