I'm building a deck as the floor of a 30' yurt. Construction is 4" x 6" joists on 4" x 4" posts, on pre-cast concrete pier blocks, on tamped gravel footings. Posts are 20" - 30" long. Lumber is ...
How out-of-level or out-of-plane does a floor need to be before it is noticeable? Many of the houses I've lived in have floors that are out-of-level, visible to the naked eye. At what point does that ...