Nissen Slabjacking Services In addition to raising concrete, we can also seal around edges of house and garage aprons to prevent water damage. RESIDENTIAL Driveways, Patios, Sidewalks, Garage Aprons & Garage Floors COMMERCIAL Customer Sidewalks, Curbs, Concrete Shop Floors & Entryways AGRICULTURE Livestock Barns, Shelters, Machinery & Supply Storage Buildings MUNICIPAL Handicap Ramps, City Sidewalks, & Maintenance Garages Front door concrete steps sunken and unleveled, slanting towards the left before Slabjacking services located in Kandiyohi Minnesota. Front door concrete steps raised and leveled, after Nissen Slabjacking services located in Kandiyohi Minnesota. Sunken concrete to the front door entrance of a shed before Nissen Slabjacking services located in Spicer Minnesota. Raised and leveled concrete to the front door entrance of a shed before Nissen Slabjacking services located in Spicer Minnesota. Before After Before image of unleveled concrete sidewalk slabs in Willmar Minnesota. After image of leveled concrete sidewalk slabs in Willmar Minnesota. Before After Before After Before After Before After Before After Previous Next "Thank you so much for fixing our sidewalk! It looks SO much better" "Terry, I am very happy with the results of the driveway leveling!Thank you!" "Terry, Thanks again for the great job of raising the concrete for my friend Denny and daughter Cynthia. They love it. " Previous Next We have been raising and leveling concrete in Central Minnesota for over 10 years. Call us today and let us fix your sunken and broken concrete! Our Mission to You Nissen Slabjacking Inc. is committed to providing honest and efficient service in a responsible manner to all our customers.