Looks like you decided to go bigger after all. That's a smart move and you'll thank yourself later. I've always found that you can never have enough room to store stuff!!:thumbsup:
Now let's see if I can talk you into a two story building.....LOL
I wanted to put a second floor on my garage but the county said no. Should have listened when others said to make the garage bigger! I am going to put a loft in here. The building size is 12×24