To install the door I had to remove the plywood inside to expose the studs. I only had to take off two pieces so it wasn't that bad. Next I moved one of the pressure treated studs I installed a few summers ago to support the wall. I bought a prehung metal door 30 x 80. It was for a rough opening two and a half inches bigger on height and width. With my new rough opening I had to cut the old wood sheathing from the inside out with a reciprocating saw. I removed the siding from that side just to make the cutting easier. The cutting of the opening was a little hard to do but I got it.
I made what could have been a huge mistake when I meaured. I measured and thought a standard size door would fix. I measured from inside the garage. Outside the garage, the eaves I built years ago extend lower than the walls inside the garage. Inside I had the room, but outside I was short almost two inches. The door with the brickmoulding would not fit vertically. I removed the brickmoulding and cut the sole plate out. This gave me the room I needed. I cut the moulding the fit.
I purchsed a lock set with dead bolt and that was a snap to install. Tomorrow I will repair the siding I took off and do some work in the L-screen I built last weekend (I got some real fencing--the boys are just pounding that metal every time they hit--real fence would be stronger).