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indoor stone

  1. Indoor flagstone slabs over crawl

    I'd like to put in a flagstone patio next spring and carry the flagstone right into the adjoining sunroom. The sunroom is on a hill, and while the door to the patio is flush, the room is over a crawl. I'm sure I'll need some beefy subfloor to pull this off, but I don't know to what extent. I...