Upgrading or designing your Amish built garage. Using our standard original garage to start you can change things to fit your ideas for a dream garage. 1. Higher walls, our standard height is 8’ but we can build up to 12’ walls (9,10,11 or 12) 2. Changing the truss. You can change the pitch or rise from our standard 4/12 to a 5/12, 6/12,