I have installed a New 36" service door, and now Iam in the process of adding a Larson Storm Door. I did away with the Brick molding and did a Custom trim job, My qustion is I dont need the Brick molding? To install this storm, I had planned to just attach it to the Trim, which is 2x6, Just as long as my rough opening is still within its range? I know this may sound confussing, I sure hope u understand what iam trying to say.
that should work just fine. the profile of brick mold is about 1" thick where it meets/nails to the door jamb and where the storm door rail mounts to the brick mold. your 2x6 would be 1 1/2" thick. as long as you followed the mounting profile of the brickmold as it mounted to the door frame and have about 35 1/2" to 35 3/4" between your 2x6 a 36" storm should work fine. it will stick out 1/2" more than it would with brick mold but no biggie there.