Using polyurethane to lift concrete slabs is not a new concept. It was first introduced in Europe in 1989 and quickly spread to the United States. The process was initially patented here in the US and was primarily used on large DOT projects. The big news is that the patent expired in

HMI’s pumps are the highest quality slabjacking equipment in the world, HMI introduced the Raiserite system for polyurethane concrete raising as a way to grow one’s business, and our customer support/ training is second to none.

We are on our way to the World of Concrete 2010!  I remember when we would wait to get the notice for the next year's conference and hope it would be somewhere exciting.  Houston, Atlanta, Orlando, it was like winning

The question today is...how do you survive in Today's economy?  The answer is

The equipment is costly and the material is 4 to 5 times more expensive than mudjacking.  Why would polyurethane concrete raising be used instead of traditional mudjacking? Four major questions need to be answered. 

I’ve been in the mudjacking and mudpump manufacturing business for over 35 years. I figure it’s time to “give back” and share my knowledge with other entrepreneurs on how to successfully start a profitable mudjacking business.