Jack wants to know just how a door frame is made, so that he can take his apart. The sill is rotten.
Usually, but not always, the sill goes right under the vertical framing. Sometimes the vertical piece is notched into the sill. In either case, you have to either cut out all the rotten wood, or ...
Wood Restoration is the process of using a very liquid penetrating epoxy mix to saturate wood, strengthening the fibers at the same time killing fungi. This is not an epoxy adhesive, but a penetrating liquid that changes the structure of wood. Then a thick putty like epoxy is used to fill in...
