I really doubt if a shop is really ever finished but with the heating, insulating, and lighting finished I can work on equipment and also find some liesure time to work on the facility. I should have built this 20 years ago. 40X46X15 with both sliding and overhead doors allows me to enter with the top up on the 2388 and the 1083 head attached. I am using a lB White heater and it seems to work great. I did install a couple ceiling fans to keep the air moving. Before I installed them your girlfriend could be comfortably naked on top of the cab while you were in flannels on the floor. Now I work in May comfort and the girlfriend, well--- that thought was just for this post. My grandkids are awaiting Christmas and the goodies my wife has for them. Now to the rest of the story----I used good 1_8 flat stock and as wide as the lip would tolerate, maybe 2 inches or so without going out for a look. Don't skimp on the bolts- a foot or so apart and use the ones you have also with fender washers. If you have access to a little wire welder patch it up, but it is not necessary. Don't forget to have the hose ready with plenty water if you cut or weld. I really think the damage was done to mine, and since we seem to be twins with our combine episodes, when the corner broke off the bottom rail last year and let the chaffer get of whack and beat on the bottom of the auger bed. I am not doubting the twisting and torquing of the machine did not add to the trouble. Good luck, safe skating, and for a price I could build the branch shop. Perhaps a spot of tea or a cold Red would bring that discussion in line. $30K or so would be a good number to start with.