Originally posted by PhotriusPyrelus:

My question is: does this only happen to plain wood (so building a dock out of, say, stone would work), or does it happen to ALL structures?

The answer is that yes, it only happens to wooden structures. It will not happen to stone or marble.

Fun fact, it does not happen to anything in the Furniture tab, either (tables, chests, chairs, etc.).


[EDIT] Not only wood, happens to Iron as well, I believe.