INSTA-RAISE CONCRETE provides Concrete mudjacking services in the Edmonton Alberta area. Mudjacking is the a cost effective way to lift sunken concrete by doing so we can fix a trip hazard, or repair uneven surface. We drill a hole and fill in the void under your slab with a mixture of sand, clay and cement this will raise your concrete slab to the right height. The cost is a small fraction compared to tearing out and replacing your concrete.