Method and apparatus for repairing a jamb of a door or window

A method for reinforcing a portion of a jamb, defining an opening for a door or window, or for repairing the portion of the jamb after the portion of the jamb has been damaged, wherein the jamb includes an inside surface thereof adjacent the opening, an outside surface thereof opposite the inside surface and facing supporting structure around the jamb, and an inside edge of the jamb joining the inside and outside surfaces of the jamb, the method comprising, sliding an elongated U-shaped channel, having first and second spaced legs thereof joined by a bight section, over the portion of the jamb in such a manner that the U-shaped channel encompasses the portion of the jamb, and attaching the U-shaped channel to the jamb at one or more locations disposed about the portion of the jamb with one of the legs disposed adjacent the outside surface of the jamb, the other of the legs disposed adjacent the inside surface of the jamb and the U-shaped bight disposed adjacent the inside edge of the jamb;

• wherein, the portion of the jamb includes a sagging section thereof, and the method further comprises, at least partially removing the sag from the sagging section through installation of the U-shaped channel.