| CPC E06B 1/6015 (2013.01) [E06B 1/12 (2013.01); E06B 1/52 (2013.01); E06B 5/003 (2013.01)] | 20 Claims |

|
1. A method of installing a combination door unit within a threshold opening of a house, the method comprising:
placing a preassembled combination door unit within a threshold opening of a house, the combination door unit comprising a door frame having at least two parallel jambs and a head extending between the two parallel jambs, a threshold door hingedly coupled to the door frame, components of a mounting frame formed separate from the door frame and fixedly coupled to the at least two parallel jambs, and a secondary door;
securing the combination door unit within the threshold opening of the house; and
after securing the combination door unit, installing the secondary door on the combination door unit.
|