I have a covered porch on the front of my house with a concrete slab over a compacted fill that is sagging against the house. The brick veneer on the wall is applied over the top of the concrete slab. It has fallen apprx.1.25" in the center and I have some cracks in the mortar joints now that will have to be tuck pointed after the slab is repaired. My question is there a way to repair the slab and float the floor back to level without removeing the old slab and damaging the brick veneer any further than it is already. I have been unsuccessful in acquiring a contractor to do the work.