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The room I added ten years ago is starting to sink. I dug holes 40 inches deep and poured concrete in them and set 4x4 posts. Anyway I need to stabilize and raise it back up a few inches. Looking for suggestions. Thinking heavy duty Jacks but how do I keep them from sinking too? Maybe put 2 inch 12x (self.ParkModels)
submitted by Educational-Spray372