I have never liked keeping any vehicle outdoors rather it be an automobile or an RV. In the past we kept our fiver in our shop, but with space being a premium we decided to have an RV barn put up. We ...
I notice you put your "barn" on dirt. Make sure it is anchored very, very well as I have seen more than one of them lifted completely up and away by high winds, especially gusty winds. In one instance, considerable damage was done the RV as well as destroying the "barn". Best to pour a slab and anchor the barn to the slab. When you think you have enough anchors, put in some more.