Soil Erosion under Patio, Garage, etc.
I've noticed that some of the soil is starting to wash out from underneath my patio slab. Obviously, my concern is that if this continues, the slab will settle and crack. How can I improve its support, seal it and prevent further erosion?
SECOND ISSUE, check out the last two pics and tell me your thoughts - is this soil erosion, or snake holes?
