
Sunken and uneven sidewalks are a common problem that can create trip hazards. Luckily, there's a fast and effective solution: sidewalk leveling using high-strength polyurethane foam. This innovative technique can raise sidewalks back to their proper height with minimal disruption and downtime compared to concrete replacement.
The Problems with Sunken Sidewalks
Sidewalk slabs can sink and settle over time due to various factors. For instance, poor drainage or leaking pipes can cause soil erosion and instability. Additionally, construction crews may poorly compact soil and backfill, leading to settling. Furthermore, buried organic material can biologically decay, also contributing to the problem. Consequently, these issues ultimately result in uneven, hazardous walking surfaces that endanger pedestrians. Traditionally, fixing sunken sidewalks required demolishing and re-pouring the concrete - a costly, time-consuming process.
How Sidewalk Leveling with Polyurethane Works
However, polyurethane concrete leveling contractors offer a much simpler alternative. The process involves several steps. First, contractors drill small holes in the sunken slabs. Next, they inject expandable polyurethane foam underneath. As the foam expands, it raises and levels the slabs. Finally, they patch the drill holes for a seamless appearance.
The injected foam fills any voids, compacts loose soil, and provides a stable base to support the concrete. Moreover, contractors can achieve precise lifting for a perfectly level slab. The foam reaches 90% strength within 15 minutes, allowing contractors to put sidewalks back into service on the same day in most cases.
The Advantages of Polyurethane Concrete Leveling
Compared to tearing out and replacing concrete, polyurethane slab leveling offers numerous advantages. Firstly, it is faster, with contractors completing many jobs in a day or two. Secondly, it is more affordable, providing significant savings versus replacement. Thirdly, it is less disruptive, requiring no heavy equipment or excavation. Additionally, the cured foam is stronger than bedrock, ensuring a longer-lasting solution. Lastly, Alchatek is NSF-certified to comply with strict environmental standards.
Fill out this form or call 404-618-0438 for a contractor referral today!



When fixing sunken or uneven concrete slabs, homeowners have a few options: repair with polyurethane, repair with mudjacking material, or replace the slab. Both polyurethane and mudjacking material lift and stabilize affected slabs without the need for complete demolition and replacement. However, notable differences exist between these approaches in price, effectiveness, and longevity. The cost of concrete leveling depends on these factors. 
Essential Details

Sunken concrete slabs in your driveway can be a frustrating and unsightly problem. Not only do they detract from your home's curb appeal, but they can also create safety hazards for vehicles and pedestrians. Fortunately, there are effective ways to repair sunken slabs and restore your driveway to its original smooth, level surface. It’s essential to understand how to repair a sunken driveway properly.
Essential Details



Each ground stabilization project is unique. The Alchatek support team is skilled in assessing different challenges and devising solutions tailored to specific requirements, whether for residential, commercial, or industrial purposes.

Choosing the right contractor for ground stabilization using polyurethane is a critical decision that directly impacts the success and longevity of your project. This guide provides essential tips to help you select the most qualified professional for your needs.
Ground stabilization extends beyond soil to include rock and gravel, crucial for various construction and infrastructure projects. Polyurethane foam, with its expansive and adhesive properties, is an extremely effective solution in these challenging environments.
Polyurethane ground stabilization is a proven solution that has been successfully applied in countless real-world scenarios. From fixing residential driveways to supporting the foundations of commercial and municipal buildings, polyurethane foam offers a versatile and dependable approach to ground stabilization.