Concrete lifting is not structural foundation repair
A settled slab and a building support problem are different things. Randy currently offers mudjacking for suitable concrete. This site does not advertise structural foundation repair, engineering, pier installation or a complete diagnosis from photographs.
Describe the whole situation
Mention wall changes, door operation, previous repairs, water conditions and recurring movement as well as the uneven floor. A qualified professional can help decide whether the issue is limited to the slab or needs structural or geotechnical investigation.
Ask who is responsible for each part
A clear scope should identify the concrete being addressed, the repair objective and any excluded work. Do not assume a proposal to raise a floor repairs foundation walls, footings, leaks or every cause of movement.
