Used the uretek system about 18 months ago and it worked amazing. Had a double storey town house in melb. where the outside bearing wall sunk 30mm and needed to be raised and underpinned. Instead of underpinning, i contacted uretek and they came in for one day and injected the two part mix and it lifted the slab back to the original possition. It cost about 15K to lift 10m of outside slab. After they had finished, i had to repair a small amount of brick work which had cracked from sinking. Highly recommended. No mess and quick
