12
Mar
Raise Concrete Slab. A simple project to raise a slab of concrete will cost less than if there is a large void under the slab requiring more material. There are several reasons why you might want to raise the level of a concrete slab. A specialized grout mixture is pumped underneath the slab filling the voids stabilizing the sub-base and raising the slab. Drill 2-inch holes into the sunken concrete and pour a mixture of fly ash sand water and cement into the holes with a pump that produces 50 to 100 pounds of pressure.
So how do you raise a concrete slab with foam. All types of governmental industrial and residential structural applications can be raised or leveled. Pouring a new layer of concrete over an existing walkway patio or porch will raise the level by several inches. Disadvantages of pouring new concrete over existing concrete. We use an eco-friendly polyurethane material that is guaranteed to last the entire life of your concrete. Clean the floor thoroughly to remove any dirt or grease.
For the liquid use the bag recommendation but replace half of the water with Bonder and Fortifier.
Slabjacking is a major undertaking that shouldnt be done by an amateur. For the liquid use the bag recommendation but replace half of the water with Bonder and Fortifier. Apply a coat of the special latex primer if called for in the leveling compound instructions. Slab Rehab uses the DRILL PUMP PATCH method to effectively raise and level uneven concrete surfaces. We use an eco-friendly polyurethane material that is guaranteed to last the entire life of your concrete. A process used to raise concrete by drilling holes through the top surface of the concrete slab and pumping under hydraulic pressure a flowable cement or chemical grout underneath.