Why Polyjacking is a Much Better Option than Mudjacking

Looking to get your concrete at home repaired? Check out which method is better!

One of the first things that people notice when walking up to a house is it’s concrete – the patio, pool deck, sidewalks, and driveway. Most homeowners keep a close eye on their properties’ concrete and make sure that it is in great condition because aside from being the first thing that people notice, poorly maintained concrete in a home can greatly affect its market value. 

Aside from deciding which kind of concrete to be used, homeowners are also faced with the decision between two different methods: Polyjacking and Mudjacking. 

Both are well-known solutions for lifting and leveling uneven concrete on sidewalks, driveways, and patio stairways. How do we know which one is more effective?

What is Mudjacking?

Mudjacking is the most common concrete leveling method used. It is done by pumping a mud mix using a specialized hydraulic pump under a building, driveway, or other sunken concrete to lift it. The specialized pump pushes the mud into holes drilled in the slabs and to fill cracks and crevices that cause uneven concrete.

This kind of concrete repair can be dated back to the early 1900s and has evolved in terms of materials used, but retains the same general process.

In mudjacking, there will be 1” to 2” holes that are about the size of golf balls drilled and placed according to the necessary lift type. After all holes are drilled in place, the material or slurry will be pumped through to fill the spaces under the sunken concrete.

Once the drilled holes are filled, the concrete will begin to lift. The pumping process makes sure that there will not be any holes left without filling in them to avoid the concrete above it from sinking again. 

What is PolyJacking?

Polyjacking is a newer alternative to the usual Mudjacking used for concrete leveling. It has been around for some time, but has seen the spotlight only within the last ten years. Today, it is one of the most popular and desired choices by property owners because of its flexibility. 

The holes that are drilled for this concrete leveling method are done in the same pattern, but have a significant difference in sizes. The used holes for polyjacking are much smaller and are about 5/8” in diameter – similar to the size used for termite mitigation, about as small as a penny. 

After all holes are drilled in place, instead of pushing mud in, a mix of polyurethane material is then pumped into them to fill the spaces where the concrete has fallen. This works better than mudjacking because the polyurethane foam expands and gets into all the cracks and crevices after it is pushed into the holes and lifts the concrete slabs.

The material used in polyjacking contains high density polyurethane that fills all the spaces with the proper heat mix and application.  

It is a process that gained popularity mostly because of the smaller holes that are drilled into the concrete that helps strengthen the concrete. Polyjacking, very much like mudjacking, can also be done in several, minimal parts to match the exact amount needed for the uneven concrete to straighten up. 

Why Choose Polyjacking Over Mudjacking?

When you go back to the definitions and the processes listed above, mudjacking and polyjacking can appear quite similar to one another. What breaks the tie? 

Check out these top reasons to choose polyjacking for your concrete leveling over mudjacking:

Appearance

Comparing these two similar methods, the one that would give you the most pleasant results would be polyjacking because of the smaller holes that are drilled into the concrete slabs. Mudjacking requires bigger holes, which could affect the overall aesthetic of your concrete. 

Polyjacking also requires fewer resources and minimal equipment to be used, so your landscaping would not be compromised unlike with mudjacking, where heavy duty equipment is needed.

You get a cleaner finished job on top of even concrete. 

Expedited Time

Mudjacking can take up to 72 hours to cure. That means you would need to wait about 3 days before anyone can use the areas that were worked on. 

The polyurethane foam that’s used for polyjacking on the other hand cures in minutes. Aside from faster application, your concrete can instantly be walked and driven on as soon as the job is done. 

It is more convenient! 

Longevity

Mudjacking will be dependent on the soil underneath the concrete to be able to support the slabs that are going to be lifted. When the seasons change and the soil goes through damage such as a dramatic freeze and thaw cycle, setting from decaying tree roots, or water damage from heavy rains, the soil that your concrete rests on will become unreliable and will become more prone to shifting, cracking, and falling apart.

Polyjacking on the other hand, yields a different result. The soil under the concrete also plays a big part, but this time, in curing the chemicals. Polyurethane foam will harden once pumped along with the soil, so it will not cause any shifting and cracking above. It stabilizes both the soil and concrete, and would last many years.

Moisture and Water Resistance

Mudjacking is not water resistant. It is not safe from water damage and it has the tendency to weaken as it gets moist or wet. This means you could be redoing your concrete repairs very often. 

Polyjacking is hydrophobic. This means that the polyurethane foam that is used for the process is water resistant and can be used in wet conditions and even underwater. It produces a moisture barrier that will not be penetrated by water, keeping your concrete level, including everything that lies beneath it. 

Weight

Most of the time, when concrete falls, it is because the soil underneath it is in poor condition. This is another reason for polyjacking’s popularity among many property owners in the past few years.

Polyjacking is not heavy on the existing soil. It is very lightweight and would typically weigh only about 2 to lbs per cubic foot. It keeps concrete level and does not put too much pressure on the soil under it.

Mudjacking, being a mixture of many different materials, can weigh up to 100 lbs per cubic foot. As the mud mix combines with the old soil, it also puts a lot of pressure even without external force and could cause more damage in the long run.

Polyjacking with the Experts

Aside from being an eyesore, uneven concrete can also become harmful to pedestrians and vehicles. Do not wait until there’s too much damage to be repaired. Get your concrete lifted and leveled now. 

Get in touch with the professionals from Extreme Spray Foam today and get your polyurethane concrete raising services taken care of. We proudly serve all properties in Northeast Georgia and Upstate South Carolina.

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