I have read some conflicting opinions on whether this is a good practice or not. In an area where heaving is probable, is it a wise decision to drill rebar in to the house foundation? This was the practice of my previous employer, but some of what I have read is that this could cause the foundation to crack from the heaving of the pad. Some suggestions say that the pad should be completely seperate with expansion joint between the foundation. Assume also, that the grade has a good slope off, the clear base is very well compacted, the concrete is 6" thick and is very well enforced. I am starting on my own this year and do not want to be building pads for flagstone installation incorrectly Opinions? Experiences?