After total slab replacement, the 2nd most common way to repair sinking/cracked slabs, is a process called MudJacking. Mudjacking not only doesn’t help the problem, it makes it worse!
The main concept of mudjacking, is to pump more wet concrete directly underneath your settling slab, popping it back into its original place.
Mudjacking FACT #1: Not unlike total slab replacement, wet cement is just that. Wet cement. Once new concrete has been pumped beneath the slab, it has to set. So be prepared to have yellow caution tape around the work area for up to 7 days. And go ahead and clear a spot out in the road, because all of your belongings and vehicles will have to be moved out there until the cement has hardened.
Mudjacking FACT #2: In order to get the wet concrete beneath the slab, Mudjackers will core large holes all over your driveway, front porch, sidewalks, etc., where their pump is then attached. Depending on the the contractor, the size will vary, but regardless, you’re stuck with large, noticeable patched holes all over the place. Which is often the first thing people see when walking up to your house.
Mudjacking FACT #3: It can be messy. VERY Messy. There’s not a significant amount of precision given when pumping cement from concrete mixers. If the contractor’s timing is off, if can result in spillage all over your slab, or even worse, inside your garage possible damaging personal items.
Mudjacking FACT #4: The most expensive part about mudjacking is the cost of the portland cement. Often times, Mudjackers will dilute their mixture with other items to cut the cost. Usually dirt or even sawdust!
Mudjacking FACT #5: Hardened cement is HEAVY. Averaging about 100 lbs. per cubic foot. That’s a lot of weight to be pressing on unstable soils.
Mudjacking FACT #6: WHY? Why is my slab sinking? Well, the magic word here is SETTLEMENT. But what causes settlement? The answer is a simple one. Soil. The problem is not your slab…it’s the soil. Whatever the soil does, your slab will just follow suit. Settling soils can be caused by poor compaction of the backfill dirt, drying & shrinking during drier seasons, and most commonly, the wetting & softening of the soil. So logically, if you’re not addressing the REASON your slab is settling, you’re not really addressing anything. You will pump expensive, HEAVY, cement underneath your slab — with the exact. Same. Soil. If the soil is the problem, then what is adding MORE weight (100 lbs per cubic ft) going to do? You do the math.
So what’s the best option? Call Peak Structural today to learn how PolyLEVEL can work for you!