Garden shed foundation

My wife has purchased a 12×12′ wooden garden shed, including assembly on-site. We’re responsible for ground preparation, which they specified to be removal of top soil and 3″ of levelled,… My wife has purchased a 12×12′ wooden garden shed, including assembly on-site. We’re responsible for ground preparation, which they specified to be removal of top soil and 3″ of levelled,…Read MoreGreenBuildingAdvisor