Essential Concrete Repair Services for Ocala, Florida Properties

 

Maintaining the strength and appearance of your property’s concrete surfaces is vital. In Ocala, Florida, many homes and businesses rely on sturdy concrete for driveways, walkways, patios, and foundations. Over time, concrete can show wear and tear, leading to cracks, uneven surfaces, and other problems. Professional Concrete Repair Services are essential to fix these issues. These services help keep your concrete safe, looking good, and lasting longer. Addressing concrete damage early prevents bigger, more costly problems later. Skilled repair teams use the right tools and knowledge to bring damaged concrete back to life, ensuring it remains a strong and reliable part of your property for years to come.

 

Why Concrete Repair Matters for Your Property

 

Concrete is a strong and durable material, but it is not immune to damage. Many factors can affect it, from weather to heavy use. When concrete gets damaged, it can cause several problems. Understanding why concrete repair is so important helps property owners make smart choices.

 

Ensuring Safety and Preventing Accidents

 

Cracked or uneven concrete creates tripping hazards. A small crack in a sidewalk might seem minor, but it can cause someone to trip and fall, leading to serious injuries. This is especially true for families with children or elderly members. Businesses also need to be careful, as uneven concrete can lead to accidents for customers or employees. Professional concrete repair fixes these hazards. It makes sure all walking surfaces are smooth and safe. This protects everyone who uses your property and can also help avoid legal problems that come from accidents.

 

Improving Property Appearance and Curb Appeal

 

Damaged concrete can make your property look old and uncared for. Cracks, stains, and crumbling edges reduce the beauty of your home or business. A neat and well-maintained exterior adds to a property’s curb appeal. When concrete surfaces are smooth and clean, they make a good first impression. This is important if you plan to sell your property, as buyers often judge a home by its exterior. Even if you are not selling, a nice-looking property makes you feel better about where you live or work. Concrete repair services can fix ugly damage, making your property look fresh and inviting again.

 

Extending the Lifespan of Your Concrete Investment

 

Concrete installations are a significant investment. Driveways, foundations, and other concrete structures are built to last many years. However, if small problems like cracks are not fixed, they can grow. Water can get into cracks, freeze, and expand, making the cracks even bigger. This process can quickly break down the concrete. Regular maintenance and timely concrete repair stop these small problems from becoming huge ones. By fixing damage as it appears, you protect your initial investment. This helps your concrete surfaces last for their full expected lifespan, saving you money in the long run by avoiding early replacement.

 

Cost-Effectiveness: Repair Versus Full Replacement

 

Many property owners think that if concrete is damaged, it must be completely replaced. This is often not true. Most concrete problems can be fixed with professional repair services. Repairing concrete is usually much cheaper than tearing out old concrete and pouring new. Replacement involves a lot of work: breaking up the old concrete, hauling it away, preparing the ground, and then pouring new concrete. Repair, on the other hand, targets only the damaged areas. This saves on labor, materials, and disposal costs. Choosing repair is a smart financial decision that keeps your property in good shape without breaking the bank.

 

Common Concrete Problems and Their Causes

 

Concrete is tough, but it can still suffer from many types of damage. Knowing what these problems are and why they happen helps you understand when to call for concrete repair. Different problems need different solutions.

 

Cracks in Concrete Surfaces

 

Cracks are one of the most common concrete problems. They can be small, like hairline cracks, or very large, running deep into the concrete. Cracks happen for several reasons. Sometimes, the ground under the concrete settles unevenly, causing stress on the slab. Heavy weights, like large vehicles, can also put too much pressure on concrete, leading to cracks. Changes in temperature, like freezing and thawing cycles, can make concrete expand and shrink, which also causes cracks. Poor mixing of the concrete or improper curing when it was first poured can also make it weaker and more likely to crack. Fixing cracks quickly is important to stop them from getting worse and letting water get in.

 

Spalling and Pitting: Surface Damage

 

Spalling and pitting refer to the surface of the concrete flaking off or developing small holes. Spalling is when a thin layer of concrete peels away, while pitting is when small, shallow holes form. These problems often happen because of water. When water gets into the concrete and then freezes, it expands and pushes pieces of concrete off the surface. Using de-icing salts in winter can also cause spalling because these salts draw moisture out of the concrete. Sometimes, a poor concrete mix or finishing the concrete too early can make the surface weak, leading to spalling and pitting over time. This kind of damage not only looks bad but can also make the concrete weaker overall.

 

Uneven Slabs and Settlement Issues

 

When concrete slabs sink or become uneven, it creates a very noticeable problem. This often happens because the soil underneath the concrete changes. Soil can wash away due to poor drainage, leaving empty spaces under the slab. Or, if the soil was not packed down enough before the concrete was poured, it can settle over time. Tree roots growing under a slab can also push it up, making it uneven. Uneven slabs are serious trip hazards and can also cause water to pool in certain areas, leading to more damage. Fixing these issues usually involves lifting the concrete back into place or stabilizing the soil underneath.

 

Discoloration and Stains

 

Concrete is usually a uniform gray color, but it can become discolored or stained. Oil spills from cars, rust from metal objects, or mold and mildew growth can all leave ugly marks on concrete. Sometimes, the discoloration comes from inside the concrete itself, due to minerals in the water used to mix it or chemicals in the soil. Even sunlight can fade concrete over many years. While not usually a structural problem, discoloration makes concrete look old and dirty. Cleaning and sealing can help, but sometimes resurfacing is needed to restore a uniform look. Addressing the source of stains, like fixing a leaky pipe that causes rust, is also important.

 

Abrasion and Wear from Heavy Use

 

In areas with a lot of foot traffic or vehicle movement, concrete can wear down. This is called abrasion. The constant rubbing and grinding action slowly grinds away the surface of the concrete, making it rough and sometimes exposing the aggregate (the small stones inside the concrete). This is common in commercial buildings, warehouses, or busy driveways. While concrete is hard, it’s not indestructible. Over time, heavy use will take its toll. Abrasion can also make the concrete more likely to absorb water or chemicals, leading to other problems. Repairing worn-down concrete often involves resurfacing to create a new, durable top layer.

 

Comprehensive Types of Concrete Repair Services

 

When concrete shows signs of damage, different repair methods can fix specific problems. Professional concrete repair services offer a range of solutions, each designed to address a particular type of wear or damage. Understanding these options helps property owners make informed decisions about their concrete’s health.

 

Crack Repair Techniques

 

Cracks in concrete are common, but the way they are fixed depends on their size and cause. It’s important to choose the right method to ensure a lasting repair.

 

Epoxy Injection for Structural Cracks

 

When cracks are deep and affect the strength of the concrete, epoxy injection is a powerful solution. Epoxy is a very strong adhesive that can glue cracked concrete back together. First, technicians clean the crack thoroughly. Then, they drill small holes along the crack and install ports. Epoxy resin is then injected under pressure, filling every part of the crack. This method not only seals the crack but also restores the concrete’s original strength. It’s often used for foundations, structural slabs, or industrial floors where strength is critical. The epoxy cures to be stronger than the concrete itself, making the repair incredibly durable.

 

Polyurethane Injection for Active Leaks

 

Some cracks, especially in basements or retaining walls, might be actively leaking water. For these situations, polyurethane injection is the ideal repair. Polyurethane is a flexible material that reacts with water to expand and form a watertight seal. Technicians inject the polyurethane into the crack, and as it meets the water, it expands to fill the entire void. This stops the leak immediately and creates a flexible barrier that can handle future movement in the concrete without re-cracking. It’s an excellent choice for stopping water intrusion and protecting areas from moisture damage.

 

Routing and Sealing for Non-Structural Cracks

 

For cracks that are not structural, meaning they don’t affect the strength of the concrete but are still unsightly or allow water in, routing and sealing is a common method. This involves using a special saw to widen the crack slightly into a V-shape. Then, the crack is thoroughly cleaned to remove all loose debris. Finally, a flexible sealant, often made of silicone or polyurethane, is poured or injected into the routed crack. This sealant forms a protective barrier, preventing water, dirt, and weeds from entering the crack. It also allows for some movement of the concrete, which helps prevent the crack from reopening. This method is popular for driveways, sidewalks, and patios.

 

Slab Jacking and Concrete Leveling

 

When concrete slabs sink or become uneven, they create trip hazards and can lead to drainage problems. Slab jacking, also known as concrete leveling, is a way to lift these slabs back into their correct position without replacing them.

 

Mudjacking: Traditional Slab Leveling

 

Mudjacking is a traditional method for leveling sunken concrete. It involves drilling small holes, typically about one inch in diameter, through the sunken concrete slab. Then, a specialized grout mixture, often called “mud,” is pumped under the slab through these holes. This mixture fills any voids and creates upward pressure, slowly lifting the concrete slab back to its original level. Once the slab is level, the holes are filled with concrete. Mudjacking is effective for various concrete surfaces, including driveways, patios, and sidewalks. It is a cost-effective alternative to replacement, and the concrete can usually be used again within a day.

 

Polyurethane Foam Injection: Modern Concrete Lifting

 

A more modern and often preferred method for concrete leveling is polyurethane foam injection. Similar to mudjacking, small holes are drilled into the sunken slab. However, instead of a heavy mud mixture, a lightweight, expanding polyurethane foam is injected. This foam expands rapidly, filling voids and gently lifting the concrete slab. The advantages of polyurethane foam are significant: the holes drilled are much smaller (often less than half an inch), the foam is much lighter than mud, which puts less stress on the underlying soil, and it cures very quickly, often allowing the concrete to be used within minutes to hours. It’s also more resistant to washing away, offering a longer-lasting solution. This method is highly effective for residential and commercial properties in Ocala, Florida.

 

Surface Resurfacing and Overlays

 

Sometimes, the surface of concrete is damaged, but the slab itself is still sound. In these cases, resurfacing or applying an overlay can restore its appearance and add a new layer of protection.

 

Micro-toppings for Aesthetic Enhancement

 

Micro-toppings are very thin layers of polymer-modified cement that are applied over existing concrete. They are used to create a new, smooth, and uniform surface, hiding minor imperfections, stains, and discoloration. Micro-toppings can be applied with a trowel, squeegee, or sprayer, creating a fresh canvas for decorative finishes. They can be colored, stained, or even stenciled to mimic different patterns. This method is excellent for refreshing old patios, pool decks, or interior floors that need a facelift without the expense of a full replacement. It provides a durable, new surface that significantly improves the concrete’s look.

 

Stamped Overlays for Decorative Finishes

 

If you want to give your concrete a completely new look, a stamped overlay is a fantastic option. This involves applying a thicker layer of polymer-modified concrete over the existing slab. While the overlay is still wet, special stamps are pressed into it to create patterns that mimic natural materials like brick, stone, slate, or wood. Once stamped, the overlay can be colored and sealed to further enhance the realistic appearance. Stamped overlays are incredibly versatile and durable, transforming plain concrete into a beautiful, high-end surface. This is a popular choice for homeowners looking to upgrade their outdoor living spaces or businesses wanting to add visual appeal.

 

Self-Leveling Compounds for Smooth Surfaces

 

For severely uneven or rough concrete floors, self-leveling compounds are used to create a perfectly smooth and flat surface. These compounds are liquid mixtures that, once poured onto the floor, spread out and level themselves due to gravity. They fill in low spots and create a uniform plane, making them ideal for preparing a floor for new coverings like tile, laminate, or epoxy coatings. Self-leveling compounds dry quickly and provide a strong, durable base. They are often used in commercial settings, warehouses, or residential basements where a perfectly flat floor is essential.

 

Joint Repair and Sealing

 

Joints are intentional cuts in concrete slabs that help control where cracks form. They are a critical part of concrete design, but they also need proper maintenance.

 

Understanding the Importance of Joints

 

Concrete naturally expands and contracts with temperature changes. Without joints, this movement would cause uncontrolled cracking. Expansion joints allow concrete slabs to move freely, while control joints are cut into the concrete to create weakened planes where cracks are encouraged to form in a straight line, rather than randomly. Over time, these joints can fill with dirt, debris, or weeds, or their sealant can break down. This prevents the concrete from moving as it should, leading to new cracks or damage to the slab edges. Proper joint maintenance ensures the concrete performs as designed.

 

Sealant Application for Joint Protection

 

Once joints are cleaned, applying a high-quality sealant is crucial. Joint sealants are flexible materials that fill the gap, preventing water, ice, and debris from entering. They also protect the edges of the concrete from chipping and spalling. Common sealants include silicone, polyurethane, and polyurea, each with different properties regarding flexibility, cure time, and durability. Regular inspection and re-sealing of joints are vital maintenance steps. This simple process protects the integrity of the entire concrete slab, extending its life and preventing costly repairs down the road.

 

Patching and Partial Depth Repair

 

When concrete has localized damage, such as small potholes, shallow spalling, or chipped edges, patching is an effective solution. This involves repairing only the damaged section, rather than the entire slab.

 

Mortar Patches for Spalling and Potholes

 

Mortar patches are used to fill in smaller areas of damage like spalling, shallow potholes, or chipped edges. The repair process starts by cleaning the damaged area thoroughly, removing all loose concrete and debris. The edges of the damaged area are often cut straight to create a clean boundary. A bonding agent might be applied to help the new patch stick to the old concrete. Then, a high-strength repair mortar, specifically designed for concrete patching, is mixed and applied. The mortar is troweled smooth, matching the surrounding concrete surface. Proper curing of the patch is essential to ensure it bonds strongly and lasts. This method is great for quick, localized fixes.

 

Polymer-Modified Concrete for Enhanced Durability

 

For patches that need extra strength and durability, especially in high-traffic areas, polymer-modified concrete is often used. This material is a mixture of cement, sand, and a liquid polymer. The polymer makes the concrete much stronger, more flexible, and more resistant to water and chemicals than standard mortar. It also improves adhesion to the existing concrete, reducing the chances of the patch failing. Polymer-modified concrete patches are ideal for repairing damaged expansion joints, industrial floors, or areas exposed to harsh conditions. They provide a long-lasting and robust repair that can withstand significant wear.

 

Protective Coatings and Sealants

 

After concrete is repaired or even when it’s new, applying protective coatings and sealants is a wise step. These products add an extra layer of defense against various types of damage.

 

Purpose of Coatings and Sealants

 

Protective coatings and sealants serve several important purposes. They create a barrier that helps prevent water, chemicals, oil, and other substances from penetrating the concrete. This reduces the risk of staining, spalling, and deterioration caused by moisture or harsh elements. Sealants also make concrete easier to clean and can enhance its appearance, giving it a subtle sheen or a vibrant color. In some cases, they can improve the concrete’s resistance to abrasion, making it more durable in high-traffic areas. They are a crucial part of a long-term concrete maintenance plan.

 

Types of Coatings and Their Benefits

 

There are many types of protective coatings and sealants, each with specific benefits. Acrylic sealers are popular for their ease of application and ability to enhance color, providing good protection against water and UV rays. Epoxy coatings are extremely durable and chemical-resistant, making them ideal for garage floors, industrial settings, and commercial spaces. Urethane coatings offer excellent abrasion resistance and flexibility, often used over epoxy for added protection. Penetrating sealers, on the other hand, soak into the concrete to create a barrier from within, offering invisible protection without changing the surface appearance. Choosing the right type depends on the concrete’s location, expected use, and desired finish.

 

The Professional Concrete Repair Process

 

A successful concrete repair job follows a clear and careful process. Professional services ensure each step is done correctly, leading to a lasting and effective solution. Understanding these steps helps property owners know what to expect.

 

Thorough Assessment and Diagnosis

 

Every concrete repair project starts with a detailed assessment. Experts inspect the damaged concrete to understand the full extent of the problem. They look at the type of cracks, the degree of unevenness, and any other signs of wear. More importantly, they try to find the root cause of the damage. Is it soil settlement, water drainage issues, heavy loads, or poor initial installation? A correct diagnosis is critical because fixing only the visible damage without addressing the cause means the problem will likely return. This step might involve using specialized tools to check the concrete’s depth or the soil conditions underneath. This careful evaluation ensures the right repair method is chosen.

 

Preparation of the Damaged Area

 

Once the problem is diagnosed, the next crucial step is preparing the area for repair. This is not just about cleaning; it’s about making sure the new repair material can bond properly with the existing concrete. Preparation often involves several tasks. Loose concrete, dirt, and debris are removed from cracks and damaged surfaces. Sometimes, the edges of cracks are routed or cut to create a clean, stable surface for the repair material. For resurfacing, the entire surface might be ground or shot-blasted to create a rough profile, which helps the new overlay stick better. Any oil, grease, or paint must be completely removed, as these can prevent proper bonding. Proper preparation is key to a strong and long-lasting repair.

 

Application of Repair Materials

 

After thorough preparation, the specific repair materials are applied. This step varies greatly depending on the chosen repair method. For crack repair, technicians carefully inject epoxy or polyurethane into the cracks. For slab leveling, mud or polyurethane foam is pumped under the slab to lift it. When resurfacing, the overlay material is mixed precisely and spread evenly over the prepared concrete surface. Patching materials are applied to fill potholes or spalled areas. Each material has specific mixing ratios and application techniques that must be followed strictly to ensure optimal performance. Skilled technicians use their expertise to apply these materials correctly, ensuring a smooth and durable finish.

 

Curing and Finishing Touches

 

The final stage involves curing the repair materials and applying any necessary finishing touches. Curing is a critical process where the concrete or repair material hardens and gains its full strength. This often requires keeping the repaired area moist for a certain period or protecting it from extreme temperatures. Skipping or rushing the curing process can lead to a weaker repair that won’t last. Once cured, the repaired area might need sealing to protect it from water and stains. Finishing touches include cleaning up any excess material, ensuring the surface is smooth and matches the surrounding concrete, and applying protective coatings if desired. This final step ensures the repair is not only strong but also blends seamlessly with the existing concrete, restoring both its function and appearance.

 

Choosing the Right Concrete Repair Service in Ocala, Florida

 

Finding a reliable and skilled concrete repair service is essential for any property owner in Ocala, Florida. The quality of the repair depends heavily on the professionals you choose. Heres what to look for when making your decision.

 

Experience and Expertise in Concrete Solutions

 

When selecting a concrete repair service, prioritize companies with a proven track record and deep expertise. Look for professionals who have extensive experience specifically with concrete repair, not just general construction. They should understand the different types of concrete damage, from hairline cracks to significant slab settlement. Ask about their experience with various repair methods, such as epoxy injection, mudjacking, or decorative overlays. A knowledgeable team can accurately diagnose the problem and recommend the most effective and lasting solution. Their experience means they have faced similar challenges before and know how to handle complex situations, ensuring your project is in capable hands.

 

Licensing, Insurance, and Professional Credentials

 

Always choose a concrete repair service that is properly licensed and insured. A license shows that the company meets the required standards set by the state or local authorities. Insurance, specifically liability and worker’s compensation, protects you as the property owner. If an accident happens on your property or a worker gets injured, the company’s insurance will cover it, preventing you from being held responsible. Ask to see proof of both licensing and insurance before any work begins. This due diligence protects your financial interests and ensures you are working with a legitimate and responsible business.

 

Commitment to Quality Materials and Techniques

 

The durability of any concrete repair depends largely on the quality of the materials used and the techniques applied. A reputable service will use high-grade repair mortars, epoxies, sealants, and polyurethane foams. They should be able to explain why they choose certain products for your specific repair. Furthermore, they should follow industry best practices for preparation, application, and curing. Inquire about their process and the materials they intend to use. A commitment to quality materials and proper techniques ensures that your concrete repair will not only look good but will also stand the test of time, providing a long-lasting solution to your concrete problems.

 

Transparent Communication and Clear Explanations

 

Good communication is a sign of a professional and trustworthy service. The company should be transparent about the repair process, the estimated timeline, and the costs involved. They should provide a clear, detailed quote that outlines all services and materials. If you have questions, they should be able to provide clear, easy-to-understand explanations without using confusing jargon. A service that communicates openly and honestly builds trust and ensures you are fully informed throughout the project. This level of transparency helps avoid misunderstandings and ensures a smooth repair experience.

 

Local Knowledge and Understanding of Ocala’s Environment

 

Choosing a concrete repair service with local knowledge, especially in Ocala, Florida, offers significant advantages. Local contractors understand the specific environmental factors that affect concrete in the area, such as soil conditions, humidity levels, and common weather patterns. They are also familiar with local building codes and regulations, ensuring all work complies with necessary standards. This local expertise means they can anticipate potential issues and recommend solutions that are best suited for the Ocala climate. Their familiarity with the community also often translates to better responsiveness and a deeper commitment to serving local property owners.

 

Benefits of Investing in Professional Concrete Repair

 

Investing in professional concrete repair services offers a wide range of benefits that go beyond just fixing a crack. These advantages contribute to the overall value, safety, and longevity of your property.

 

Enhanced Safety for Residents and Visitors

 

The most immediate and critical benefit of concrete repair is improved safety. Uneven surfaces, deep cracks, and crumbling edges are serious tripping hazards. Professional repair eliminates these dangers, creating smooth and stable walking surfaces. This is especially important for areas with high foot traffic, such as sidewalks, driveways, and patios. By removing trip hazards, you protect family members, guests, employees, and customers from accidents and potential injuries. This peace of mind is invaluable, ensuring everyone can move safely around your property.

 

Improved Aesthetics and Property Curb Appeal

 

Beyond safety, professional concrete repair significantly enhances the visual appeal of your property. Damaged concrete makes a property look neglected and reduces its overall attractiveness. Fixing cracks, spalling, and discoloration restores the clean, uniform look of your concrete surfaces. This immediately boosts curb appeal, making your home or business more inviting and well-maintained. A beautiful exterior leaves a positive impression, which is beneficial whether you are living there, running a business, or preparing to sell the property.

 

Increased Property Value and Marketability

 

A well-maintained property with intact concrete surfaces is more valuable. Buyers are often willing to pay more for homes or commercial buildings that do not require immediate repairs. Addressing concrete issues through professional repair signals that you care for your property and invest in its upkeep. This can lead to a higher selling price and a quicker sale if you decide to put your property on the market. Even if you are not selling, the increased property value is a tangible benefit of your investment in professional repair.

 

Long-Term Savings by Avoiding Costly Replacements

 

While repair costs money, it is almost always more cost-effective than full concrete replacement. Small problems, if ignored, can quickly escalate into major damage that eventually requires tearing out and repouring entire sections of concrete. This process is expensive, time-consuming, and disruptive. Professional repair addresses issues early, preventing them from worsening and extending the life of your existing concrete. By choosing repair, you save a substantial amount of money in the long run, avoiding the high costs associated with demolition, disposal, and new concrete installation.

 

Maintaining Structural Integrity and Foundation Health

 

For concrete that is part of a foundation or a load-bearing structure, timely repair is crucial for maintaining structural integrity. Cracks in foundations can lead to water intrusion, further damage, and even compromise the stability of the entire building. Uneven slabs can put stress on connecting structures. Professional concrete repair, especially methods like epoxy injection for structural cracks or slab leveling, reinforces the concrete and prevents further degradation. This protects the core structure of your property, ensuring its stability and preventing much more severe and costly problems down the line.

 

Environmental Considerations: Repair Reduces Waste

 

Choosing to repair rather than replace concrete also offers environmental benefits. Tearing out old concrete creates a significant amount of waste that ends up in landfills. By repairing existing concrete, you reduce the amount of construction debris generated. This is a more sustainable approach to property maintenance. It conserves resources, reduces landfill burden, and lessens the environmental impact associated with manufacturing and transporting new concrete materials. Opting for repair is an eco-friendly choice that benefits the planet.

 

Essential Maintenance Tips for Your Concrete Surfaces

 

Once your concrete is repaired or if you want to keep your existing concrete in top condition, regular maintenance is key. Simple steps can greatly extend the life and beauty of your concrete surfaces, preventing future damage and reducing the need for extensive repairs.

 

Regular Cleaning to Prevent Build-up

 

Keeping your concrete clean is one of the easiest and most effective ways to maintain it. Regularly sweep away dirt, leaves, and other debris that can accumulate on the surface. Periodically wash your concrete with water and a mild detergent. A pressure washer can be effective for stubborn dirt, but use it carefully to avoid damaging the surface. Regular cleaning prevents grime, mold, and mildew from building up, which can not only make concrete look dirty but also contribute to surface degradation over time. Clean concrete is less likely to stain and easier to inspect for new damage.

 

Prompt Cleanup of Spills and Stains

 

Accidents happen, and spills on concrete are common, especially in driveways and garages. Oil, grease, rust, and chemical spills should be cleaned up as quickly as possible. The longer a spill sits, the deeper it can penetrate the concrete, making it much harder to remove and potentially causing permanent stains. Use appropriate cleaners for different types of spills. For oil and grease, absorb as much as possible with cat litter or sawdust, then scrub with a degreaser. For rust, use a rust remover designed for concrete. Prompt action can save your concrete from unsightly and stubborn marks.

 

Re-sealing Concrete Periodically

 

Applying a high-quality concrete sealer is like putting a protective shield on your concrete. Sealers