I have a question about something that I already built. I am building a shop and for my man doors, I ran the jack stud down to the thresh hold of the door jam (It runs right along the stem wall) I am attaching a drawing to explain this. After more thought, of course, I have realized that this jack stud will be exposed to weather and it will eventually rot. What is the easiest fix for this without having to rip the header out and putting a longer one in. Can i just cut off the bottom two inches of the jack and attach/liquid nails a block of pvc to the bottom? Will this work? Please let me know your thoughts.

