Metal Building

I have been looking to add on to a shed I already have.  It is metal and I have checking out all the different kinds of Metal Storage Buildings to see what kind of addition would work the best in the wierd space I need to put the addtion. I am going to put in cement flooring.  I think metal buildings are the best because I don’t have to paint them ever.  I hate to do outside maintenance on buildings.  This is going to almost be pie shaped towards the back but the front will be rectangular. I really can’t wait until its all done.