Give Your Concrete a Boost
At PolyTech Lifting LLC, we understand that there are likely a lot of questions that people have about what we do. That’s why we’ve taken the time to answer some of the most common. Read on to find out more. If your question isn’t answered, then please give us a call; we’d be happy to answer any question you have.
The two are actually very similar in function and will help you get the same results: they raise and support concrete slabs that have sunken or become unstable. Both do this by drilling holes and pumping material underneath the concrete.
For one, the holes made are smaller. There are less of them needed to complete the job, and they can be fixed so that they’re almost unnoticeable. For another, the foam used is strong, light weight, and will fill in all the gaps underneath the concrete. Additionally, the foam is environmentally friendly, which means you have to worry less about having a negative impact.
This is the material used to raise the concrete. It’s injected underneath the slab as a liquid. When its materials combine, the reaction causes it to expand into foam and solidify. The material is incredibly lightweight and durable, and has become popular for concrete raising because it doesn’t shrink or lose its density.
There are actually next to no similarities between polyurethane foam and what comes out of the can—in fact, the only similarity is that they’re both expanding foams. Unlike foams from a can, our system is made by HMI, which is the only company that uses recycled materials for their foam. In addition, polyurethane is more durable than other types of foams.
In order to raise and stabilize the concrete, then you generally need to have solid slabs that aren’t too badly damaged. Other areas—such as blacktop—may need to be replaced instead. If you’re uncertain about whether or not your concrete can be raised, however, you can always call and ask.
While many types of polyurethanes use certain chemicals, the foams we use do not. We take special care to make sure our foams are safe and environmentally friendly.
Generally speaking, it’ll be about half the price you’d pay for replacing the concrete. Usually it will be between $2—$5 per square foot. Certain things—such as large voids—may increase the price of repair. That said, the durability often makes it an excellent long-term investment.
No; we will park on the street and run a hose from the truck to the repair site. This way, you don’t have to worry about damage being done to your lawn.
We use a high-density type of grout to fill in the holes. This will be finished so that it matches the concrete around it, making the holes basically unnoticeable.
There are certain suggested steps that you’ll need to take to make sure your cement stays in good condition. First, you’ll need to caulk the seams for the sections that were repaired. We recommend using a silicone-based, self-leveling caulk, though if the crack is particularly large, you can put sand into the crack first. Second, you’ll need to make sure that your downspouts are correctly place; otherwise water may go under the slab, which can cause further problems down the line. Provided these directions are adhered to, however, your repair job should last for a relatively long time.