How Do You Elevate A Sunken Concrete Patio?
A concrete patio can sink and crack over time. Concrete is subject to weather and ground changes. Freezing and thawing cycles cause concrete to crack, break, and in some cases, sink. Although this usually only occurs in sections, it’s important to level the entire patio for safety reasons and a more beautiful appearance. Step 1 Consider slabjacking as an alternative to removing cracked, sunken or uneven concrete. Slab jacking is a process where cement slurry is pumped under the concrete to lift it to its original grade. Slabjacking also fills in unseen gaps under the concrete which helps divert water away from the foundation. Step 2 Level small sections of sinking concrete by cutting away the sunken piece, lifting it out with a crow bar, filling the area with sand and replacing the slab you removed. Use a tamping machine to tamp the sand down to a hard, level surface before replacing the slab. Step 3 Use a veneering technique when sections can’t be leveled with sand. With a brick chise
