What is Foam Jacking?
Foam Jacking is the process of correcting settled and uneven concrete through the use of spray foam. Also known as slabjacking, this process is typically utilized to address trip hazards in driveways, patios, walkways, foundations and all other concrete materials that have shifted over time. While many are familiar with its counterpart, mudjacking, foam jacking is not a relatively new process as this has been around for a decade already. It has been road tested for years and was found out to be as effective as the former, only more practical, economical and environment-friendly.
How it works
With foam jacking, two polyurethane liquid components are mixed and injected into drilled holes. These holes are strategically drilled into place to allow the foam to seep through voids and gaps underneath the uneven slab. Once it has been injected, the two substances react. It automatically doubles in volume thus rising the uneven slab and putting it back to its normal position.
If you’ve ever embarked on spray foam insulation for your walls or attics, the procedure is pretty much the same with foam jacking. The polyurethane foam, once injected stay as liquid for a few seconds so it can spread before expanding. Once it hardens, polyurethane foams used in foam jacking can provide more support and stability to the area where it is applied.
Benefits of Foam Jacking
While many would consider replacing the entire problem area rather than repairing it, some are keen enough to realize that replacing means more cost, hassle, and downtime on their part. That said, the benefits of foam jacking as compared to mudjacking and total replacement seals the deal with homeowners and building owners.
Here are some of the benefits of Foam Jacking:
Less Disturbance – the fact that the holes drilled in foam jacking are significantly smaller than that of mudjacking, it is less disturbing and the result is less unsightly as well. There is no noise in the injection process as the foam applied to the holes are carried by flexible hoses that are attached to a self-contained unit, parked away from the job location. Also, you will only deal with one or two crews as compared to an entire team should you choose a concrete replacement. That said, there will be less noise and less to attend to. You can do about your day while the job is ongoing.
Foam Jacking is Quicker – Foam jacking crews can lift up to 12 times faster than standard slab jacking or mud jacking crews in many situations. Because of the small hole size and ability to lift larger areas per hole, foam jacking is much quicker than slab jacking. Because of the equipment design, upon arriving on a job, foam jacking crews are typically actively lifting slabs within 10 minutes of arrival for typical repairs.
Cheaper – Tearing up concrete and initiating an entire replacement is a significant investment. Foam Jacking can be completed for a fraction of the cost, saving homeowners and businesses money.
Immediate foot traffic – If you decide to completely replace concrete, don’t expect to be able to use the surface for a couple of weeks. Concrete can take a month or more to cure. If you regularly drive or operate machinery on the surface, this can present a major inconvenience. Foam Jacking repairs have a much shorter wait time before you can resume use. You can begin walking or driving on the repaired concrete within a few hours after the project is complete.