Alchatek Blog

Do you have sinking or uneven concrete slabs around your home? Not only can they be an eyesore, but uneven walkways, driveways, and patios can also create tripping hazards and lead to costly accidents. Many homeowners assume their only option is to rip out the old concrete and pour new slabs. However, professional slab lifting offers a much better solution. Lifting concrete is a precise, permanent fix without the chaos and cost of ripping out and replacing old slabs. Keep reading to discover why slab lifting with polyurethane foam is the smart choice.

Concrete Leveling with Pinpoint Accuracy

The latest slab lifting techniques utilize expanding polyurethane foam to raise concrete slabs. Technicians drill small holes in the slab and inject the foam underneath. As the foam expands, it fills all the gaps and voids under the slab, providing stability and support as it gently lifts the slab back into place. Experienced technicians can control the process to within 1/8 inch of the desired height, ensuring you get a slab that is level, smooth, and seamlessly matches the surrounding concrete. In contrast, old-fashioned mudjacking is far less precise.

A Permanent Fix That Lasts for Decades

In addition to being more accurate, slab lifting with polyurethane is also more durable. The special polymers used are lightweight yet incredibly strong. They lock into place, providing permanent stability that won't sink, sag, or wash out over time. In fact, polyurethane is stronger than the bedrock underneath your home! On the other hand, the heavy cement-based slurry used in mudjacking is prone to erosion, shrinkage, and cracking which can cause your slab to become uneven again. Rather than settling for a temporary fix, choose a permanent solution.

Fast, Clean, and Environmentally-Friendly

Moreover, slab lifting with polyurethane foam is less disruptive than pouring new concrete. You won't have to wait for days as the concrete hardens since the foam cures to 90% strength in just 15 minutes. This means your slab can be back in service the same day. The holes needed for injecting foam are also much smaller than those for pumping heavy cement, resulting in a cleaner and less intrusive process. Furthermore, you can feel good knowing that Alchatek's polyurethane foams are NSF-certified to meet strict environmental standards.

Find a Qualified Slab Lifting Contractor

Ultimately, the key to a successful concrete lifting project is hiring experienced professionals. At Alchatek, we work with experienced slab lifting contractors across the world. Our partners use industry-leading products and techniques to deliver outstanding results for homeowners like you.

Fill out this form or call 404-618-0438 for a contractor referral today!

Want more information on lifting slabs with polyurethane?

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. 

Polyurethane Concrete Leveling vs Mudjacking

Polyurethane concrete leveling contractors inject a liquid resin beneath the sunken slab. The resin expands into a foam, solidifies the soil, and lifts the slab. As a result, polyurethane forms a strong bond with the concrete underside, creating a durable support base that prevents future erosion.

On the other hand, mudjacking contractors pump a cement slurry under the sunken slab to push it back up. While the dried cement provides support, it doesn't adhere to the concrete as effectively as polyurethane. Over time, the cement may settle or wash away, requiring repeated applications. Furthermore, mudjacking requires heavier equipment and longer curing times.

Concrete Leveling vs Replacement

The choice between polyurethane leveling and full replacement depends on your slab's condition. Multiple cracked sections across the entire surface may call for replacement. Conversely, isolated sinking of mostly intact slabs may suit lifting better. In general, polyurethane concrete leveling is less invasive and less expensive than complete replacement.

The Cost of Concrete Leveling

When estimating concrete leveling job costs, contractors consider a few key factors:

• Size of the Slab: Larger areas may require more material and labor. In contrast, smaller areas may be more straightforward.
  
  
• Extent of the Damage: The level of cracking and sinking determines the most appropriate repair method. Minor issues may suit polyurethane leveling, while extensive damage might require additional repairs or replacement.
  
  
• Condition of the Soil: A thorough evaluation of the soil beneath sunken slabs will reveal underlying issues contributing to the problem. These findings help determine the best action for a stable, long-lasting repair.

A professional contractor can provide options and help you make an informed decision. They will find an effective and efficient solution for your specific situation.

Fill out this form or call 404-618-0438 for a contractor referral today!

Want more information on concrete leveling?

Essential Details

Dates/Pricing

Slab Lifting Masterclass: April 15th & 16th, 2024 – $685.00
Public Works Infrastructure Repair: April 18th & 19th, 2024 – $685.00

Location

Spray Foam Systems
1502 Airport Rd.
Greensboro, GA 30642
Click Here for Directions

Discount

Register for both classes and get a 25% discount

Slab Lifting Masterclass: April 15th & 16th, 2024 – $685.00

The concrete lifting master is an intensive opportunity to learn what it takes to start a concrete lifting business and then take it to the next level. The training you will receive will include Safety, Site Evaluation, Estimating, Product Selection, Sales, Equipment, Concrete Lifting Techniques, and Deep Lift / Deep Lock. You will also learn about taking your concrete lifting business to the next level. You will learn about other tools we have to help you land bigger jobs and how to engage the engineering community to gain access to unique markets. Join the industry’s top team of concrete lifting professionals for training, learning, and fun.

Public Works: April 18th & 19th, 2024 – $685.00

The public works course is two days dedicated to training and teaching Public Works professionals and specialty grouting contractors. You will learn how to utilize polyurethane technology to solve problems that municipalities and public works departments commonly face and how to do it at a fraction of the cost of traditional methods. There will be a heavy emphasis on sealing underground infrastructure and stabilizing and lifting roads. We will cover the full spectrum of our product line including Leak Seal, Permeation, Soil Stabilization, and Slab Lifting. Join the industry’s top team of infrastructure specialists for training, learning, and fun.

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.

Understanding the Problem

Sunken concrete slabs occur when the ground beneath the driveway settles or erodes over time. This can be due to a variety of factors, including:

• The weight of vehicles repeatedly driving over the same area
• Water seeping underneath and washing away the soil
• Poor soil compaction or preparation during the original installation

As the support below the concrete deteriorates, sections of the driveway begin to sink, dip, and crack. If left unaddressed, the problem will only worsen, leading to further damage and potential trip hazards.

Repair Options: Concrete Leveling vs. Replacement

When faced with sunken driveway slabs, homeowners have two main options: level the affected concrete or replace the entire driveway. The best approach depends on the extent and severity of the sinking, as well as budget and timeline considerations.

For isolated areas where the slabs are still mostly intact, concrete leveling using polyurethane foam injection can be an effective solution. This process involves pumping expanding polyurethane beneath the sunken sections to lift and stabilize them back to their original position. The foam fills any voids, solidifies the soil, and adheres to the underside of the concrete for support.

Polyurethane leveling offers several advantages vs. replacement, including:

• Minimal equipment needed, minimizing disruption to your property
• Fast curing time, allowing for a quick return to use
• Resistance to water and further erosion, helping to prevent future sinking

On the other hand, if the sinking is widespread and the concrete is severely cracked or deteriorated, a full driveway replacement may be necessary. This involves demolishing and removing the old slabs, preparing a new stable base, and pouring fresh concrete. Replacement is typically more expensive than polyurethane leveling and requires more extensive equipment and labor. The process also takes longer, which can be an inconvenience for homeowners. 

Ultimately, the decision between polyurethane leveling and replacement depends on the specific condition of your driveway and your individual needs. It's important to consult with a professional contractor who can assess your situation and provide guidance on the most appropriate solution for your home.

Hiring a Professional Concrete Leveling Contractor

• It’s important to hire an experienced contractor who specializes in concrete repair. Look for a company with:
• Extensive experience using polyurethane injection for leveling
• Manufacturer-trained technicians who follow safety protocols
• Positive references and reviews from past customers
• The ability to provide before and after photos of successful projects

A reliable professional will have the expertise to assess your specific situation and recommend the best course of action for your driveway.

How to Repair a Sunken Driveway: Getting Started

If you're ready to tackle your sunken driveway slabs, Alchatek is here to help. As a leading manufacturer in the construction industry, Alchatek specializes in innovative solutions for concrete leveling and repair. Our expert team can provide guidance on your project and connect you with a qualified local contractor.

Fill out this form or call 404-618-0438 for a contractor referral today!

Want more information on slab lifting with polyurethane?

While Alchatek's Deep Lock® process is primarily used on deep soil stabilization jobs, there are specific situations in which deep soil stabilization may be needed to reinforce soil on slab lifting jobs. In cases where slabs are bearing heavy loads, have significantly loose soil underneath, or are located in areas where access is limited, incorporating the Deep Lock® process can help address the underlying soil stability issues. With the addition of the Deep Lock® soil stabilization process, contractors can achieve effective, minimally invasive slab lifting results while simultaneously improving the long-term stability of the foundation.

Slab Lifting for Heavy-Duty Environments

The Deep Lock® process is particularly well-suited for slabs that regularly bear heavy loads, such as:

• Factory floors
• Forklift ramps
• Loading areas
• Fire stations
• Airport runways
• Launchpads

In these high-traffic, heavy-duty environments, soil erosion, poor compaction, and biological decay can lead to slab settling and instability over time. Traditional methods of soil stabilization often fail to address deeper soil issues and can require extensive excavation, heavy equipment, and prolonged downtime.

Deep Lock®, on the other hand, gets to the root of the problem by stabilizing the soil at all levels beneath the slab. The process involves thorough site evaluation, saw cutting of joints if necessary, and the strategic injection of AP Lift structural polymers through small holes drilled in the slab. The expansive properties of the foam fill voids, compact loose soil, and lift the slab back to its original level position.

Soil Stabilization and Slab Lifting for Loose Soil Conditions

This process is also ideal for slabs with significantly loose soil underneath, where erosion or poor compaction has created unstable conditions. By permeating and densifying the soil with AP Lift polymers, contractors using this Deep Lock® process create a strong, stable substrate that can support the slab for decades to come.

Minimally Invasive Slab Lifting for Sensitive or Inaccessible Areas

Another key advantage of applying the Deep Lock® process is the ability to address slab issues in sensitive or inaccessible areas, such as in historical buildings where drilling from the inside is not possible. Because the process involves minimal drilling and can be performed entirely from the exterior, it offers a non-invasive solution for preserving and rehabilitating delicate structures.

Deep Soil Stabilization on Slab Lifting Jobs

Alchatek's Deep Lock® process provides a comprehensive solution for slab lifting and soil stabilization, with powerful results, painless procedures, and rapid return to service. For any slab that regularly bears heavy loads, has significantly loose soil underneath, or requires a minimally invasive approach, Deep Lock® offers a cutting-edge alternative to traditional repair methods. In addition, most Alchatek polymers are NSF-certified for contact with potable water. This approval verifies that the product complies with the strict environmental regulations established by the Safe Drinking Water Act (SDWA).

Want more information on the Deep Lock® process?

Essential Details

Dates/Pricing

Slab Lifting Masterclass: April 15th & 16th, 2024 – $685.00
Public Works Infrastructure Repair: April 18th & 19th, 2024 – $685.00

Location

Spray Foam Systems
1502 Airport Rd.
Greensboro, GA 30642
Click Here for Directions

Discount

Register for both classes and get a 25% discount

Slab Lifting Masterclass: April 15th & 16th, 2024 – $685.00

The concrete lifting master is an intensive opportunity to learn what it takes to start a concrete lifting business and then take it to the next level. The training you will receive will include Safety, Site Evaluation, Estimating, Product Selection, Sales, Equipment, Concrete Lifting Techniques, and Deep Lift / Deep Lock. You will also learn about taking your concrete lifting business to the next level. You will learn about other tools we have to help you land bigger jobs and how to engage the engineering community to gain access to unique markets. Join the industry’s top team of concrete lifting professionals for training, learning, and fun.

Public Works: April 18th & 19th, 2024 – $685.00

The public works course is two days dedicated to training and teaching Public Works professionals and specialty grouting contractors. You will learn how to utilize polyurethane technology to solve problems that municipalities and public works departments commonly face and how to do it at a fraction of the cost of traditional methods. There will be a heavy emphasis on sealing underground infrastructure and stabilizing and lifting roads. We will cover the full spectrum of our product line including Leak Seal, Permeation, Soil Stabilization, and Slab Lifting. Join the industry’s top team of infrastructure specialists for training, learning, and fun.

Alchatek, with its expertise in commercial property maintenance, stands ready to provide comprehensive support in addressing your concrete slab needs.

Technical Guidance from Alchatek

• Expert Consultations: Alchatek offers technical consultations to help you understand the specific needs of your property. These experienced technicians can guide you through the process of assessing slab conditions and determining the most effective repair solutions.
• Customized Solutions: Understanding that each property is unique, Alchatek provides tailored recommendations that align with your specific requirements and budget considerations.

Referrals to Expert Contractors

• Trusted Introductions: Alchatek can refer you to professional contractors skilled in concrete slab repair. By reaching out to Alchatek, you gain access to a vetted pool of experts who can efficiently address your slab issues.
• Quality Assurance: With a focus on quality and reliability, Alchatek ensures that the contractors they refer are not only experienced but also adhere to the highest standards of workmanship and safety.

Ensuring a Safe and Efficient Commercial Space

Partnering with Alchatek for your concrete slab maintenance needs means leveraging their expertise, accessing quality contractors, and making the most of the quieter business period for long-term property benefits.

Call 404-618-0438 or fill out this form to contact Alchatek today!

Want more information on lifting slabs with polyurethane?

After identifying issues with concrete slabs in your commercial property, the next step is choosing the right repair method. The post-holiday slowdown offers the perfect timing for such repairs, and understanding the available solutions is key to making an informed decision.

Mudjacking

Traditionally, one common method of repairing unlevel concrete is mudjacking. This process involves drilling holes into the concrete slab and pumping cement slurry beneath it. This process gradually raises the slab back to its original level. While effective to an extent, mudjacking has its drawbacks. The process can be messy, and the weight of the slurry can cause further soil displacement over time.

Polyurethane Concrete Leveling

A more modern approach is the use of polyurethane foam injection. This method also involves drilling holes in the slab, but instead of a heavy cement mixture, a lightweight high-strength polyurethane foam is injected. The foam expands, filling voids and lifting the slab to the desired level. Once cured, the foam is extremely durable. This technique has several advantages:

• Speed and Efficiency: Polyurethane foam cures rapidly, often within minutes, allowing the area to be used almost immediately after the repair.
• Less Invasive: The foam injection process is less disruptive and cleaner than traditional methods.
• Durability: Polyurethane is resistant to water and soil erosion, providing a long-lasting solution.

Making the Right Choice in the Quiet Season

The quieter post-holiday period is an ideal time to carry out these repairs with minimal impact on your business operations. Assessing the specific needs of your property and weighing the pros and cons of each method will help you choose the most effective solution for your slab issues.

Want more information on lifting slabs with polyurethane?

After a bustling holiday season, commercial properties may be left with more than just the usual wear and tear. One critical but often overlooked aftermath is the potential damage to concrete slabs. One thing is certain, ignoring the problem is a lot more expensive than doing something about it.

Safety Hazards

Unlevel and unstable slabs pose significant safety risks, especially in high-traffic areas. Imagine a busy retail store where a slight unevenness in the flooring, unnoticed during the holiday rush, becomes a tripping hazard for customers and staff alike. In warehouse settings, uneven floors can be even more hazardous. For example, a forklift operator might encounter an unexpected dip or rise in the concrete slab, risking not just the forklift or the merchandise but also their safety.

Legal and Financial Implications

Beyond safety, there are legal and financial risks. Consider a gas station where a customer trips due to a sunken slab and sustains an injury. This incident can lead to a lawsuit, not to mention the negative impact on the business's reputation. In commercial settings, the responsibility for ensuring a safe environment falls heavily on the property owners and managers. Failure to address these issues promptly can result in costly legal battles and increased insurance premiums.

Operational Disruptions

Uneven slabs can also lead to operational inefficiencies. For instance, in a factory with unlevel flooring, machinery might require more frequent repairs due to uneven stress and wear. This not only increases maintenance costs but can also lead to unplanned downtimes, affecting overall productivity.

Prioritizing Slab Maintenance for a Safer Year Ahead

Understanding and addressing the risks associated with unstable concrete slabs is crucial for the safety, legal standing, and operational efficiency of commercial properties. The post-holiday period offers an opportune moment to undertake these essential maintenance tasks.

Want more information on lifting slabs with polyurethane?