I have a house tralier and added a 2nd one to it moved the slilde out of the old one. want to move to the back side. the walls to remove not the problem. just how to hook it up to the frame work. This old house and rails are 4 ft center to center. and add on is 12×10 . 12′ across back 10′ out. 4′ off the ground .
Thanks Lenny