Use 6 waterproofing membrane before you install the j mount on the roof the length of the membrane roll in the link provided above is 75 feet.
Install antenna on the roof.
Not sure where else you may be able to use it but you only needs a piece of about 6 x 8.
Many people use their chimney as a mounting base for their antenna.
I ve used channel master cm 9025 3 heavy.
It s easy to set up there.
Whatever you do do not put holes in your roof to attach your antenna.
You can also buy non penetrating mounts that use weights rather than screws to hold them in place.
Mount the antenna wall installations.
You use wall mount brackets to hold the mast in place.
Once you connect the control unit box a port on the box named ant to your antenna with a cable you should see the red light is on your antenna main unit.