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from what i read online it doesn't require much pressure to lift up the concrete. 10psi

So why couldn't i drill a 1 inch hole and put a steal pipe into it. make some kind of cylinder to hold my slurry of grout. hook up the air compressor and pump it under the concrete to lift it up?

or am i missing something?
 

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didn't abe lincoln post something about mudjacking/pressure grouting ? IF it were all that easy, many of the pro's wouldn't be in biz,,, they use push/pull pumps air or hydraulic powered !
 

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I would be delighted if this was an option. I have more time than money.
 
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