Polyurethane concrete lifting, also known as polyurethane foam injection or slab jacking, is a popular method for repairing and raising sunken concrete surfaces. From sidewalks and driveways to industrial floors and highways, this innovative technique offers a cost-effective and efficient solution for addressing uneven concrete. Here are some frequently asked questions about polyurethane concrete lifting:
1. What is polyurethane concrete lifting?
Polyurethane concrete lifting is a process used to raise and level concrete slabs that have settled or sunk due to soil erosion, poor compaction, or other factors. It involves injecting expanding polyurethane foam beneath the sunken slab, which fills voids, stabilizes the soil, and lifts the concrete back to its original position.
2. How does polyurethane concrete lifting work?
During the polyurethane concrete lifting process, small holes are drilled into the sunken concrete slab. A two-part polyurethane foam is then injected through these holes. As the foam expands, it fills voids and compacts loose soil beneath the slab, exerting pressure that lifts the concrete upwards.
3. What are the advantages of polyurethane concrete lifting?
Polyurethane concrete lifting offers several advantages over traditional methods such as mudjacking or concrete replacement. These include:
– Faster process: Polyurethane foam sets quickly, allowing for minimal downtime and faster completion of the repair.
– Lightweight material: Polyurethane foam is lightweight, reducing the stress on underlying soils and minimizing the risk of future settlement.
– Long-lasting results: The closed-cell structure of polyurethane foam makes it resistant to water and erosion, ensuring durable and lasting results.
– Minimal disruption: Polyurethane concrete lifting requires smaller injection holes compared to mudjacking, resulting in less mess and disruption to the surrounding area.
4. Is polyurethane concrete lifting suitable for all types of concrete surfaces?
Polyurethane concrete lifting is suitable for a wide range of concrete surfaces, including sidewalks, driveways, patios, pool decks, garage floors, warehouse floors, and more. It can be used on both residential and commercial properties.
5. How long does polyurethane concrete lifting last?
When performed by experienced professionals using high-quality materials, polyurethane concrete lifting can provide long-lasting results. The repaired concrete should remain stable and level for many years, often outlasting the lifespan of the surrounding concrete.
6. Is polyurethane concrete lifting environmentally friendly?
Polyurethane foam used in concrete lifting is an environmentally friendly material. It is non-toxic, non-hazardous, and inert once cured. Additionally, the process of polyurethane concrete lifting generates minimal waste and requires less energy compared to traditional repair methods.
7. Can polyurethane concrete lifting be done on sloped surfaces?
Yes, polyurethane concrete lifting can be effectively performed on sloped surfaces. Whether it’s a driveway with a slight incline or a patio with a more pronounced slope, the injection process can be tailored to address the specific requirements of sloped concrete surfaces. Professional contractors can adjust the injection depth and foam expansion rate to ensure uniform lifting and proper alignment, restoring both the functionality and aesthetics of sloped concrete areas.
8. How much does polyurethane concrete lifting cost?
The cost of polyurethane concrete lifting depends on various factors, including the extent of the damage, the size of the area to be repaired, and the accessibility of the site. Generally, polyurethane concrete lifting is more cost-effective than concrete replacement and can save property owners significant money in the long run.
Polyurethane concrete lifting is a proven and efficient method for restoring sunken concrete surfaces without the hassle and expense of traditional repair methods. By addressing the underlying causes of settlement and providing a durable solution, polyurethane concrete lifting offers property owners peace of mind and long-lasting results. If you’re dealing with uneven concrete, contact OC Concrete Lifting today to see if polyurethane concrete lifting is the right solution for you.
