Concrete Skim Coat: DIY Guide & Cost for US Homes

A concrete skim coat is the answer for US homeowners aiming to revitalize surfaces, ranging from worn patios to interior floors. The process involves applying a thin cement-based layer, typically under 1/8 inch, to rejuvenate existing concrete. Professionals like those trained by the American Concrete Institute (ACI) often recommend surface preparation using tools from brands such as Quikrete to ensure optimal adhesion. Proper application not only enhances aesthetics but also extends the lifespan of the underlying structure, providing a cost-effective alternative to complete concrete replacement, impacting both the value and appeal of homes across various locations in the United States.

Concrete, while durable, isn't immune to the ravages of time and daily wear. Unsightly imperfections can detract from its appearance and potentially compromise its integrity. This is where the transformative power of a concrete skim coat comes into play.

A skim coat is a thin layer of cementitious material applied over existing concrete surfaces. It acts as a resurfacing treatment, offering a fresh start for tired, worn concrete.

This DIY guide is tailored for US homeowners seeking to rejuvenate their concrete surfaces. We will explore how to apply a concrete skim coat with confidence.

What is a Concrete Skim Coat?

At its core, a concrete skim coat is a mixture of cement, sand, and additives. These are designed to create a smooth, workable compound that can be applied in thin layers.

Its primary purpose is twofold: repairing minor surface defects and beautifying the overall appearance of concrete. Think of it as a cosmetic treatment and protective layer all in one.

Addressing Common Concrete Imperfections

Concrete surfaces often fall victim to a range of imperfections. These can affect appearance and longevity. Skim coats excel at concealing and mitigating these issues:

• Hairline Cracks: These tiny fissures can be easily filled and concealed, preventing further damage.

• Spalling: This refers to the flaking or chipping of the concrete surface. A skim coat can create a new, uniform surface after spalling is addressed.

• Pitting: Small surface holes or indentations can be smoothed over, creating a seamless finish.

Key Benefits of Using Skim Coats

Applying a skim coat offers a trifecta of benefits: aesthetic enhancement, lifespan extension, and surface preparation.

• Improved Aesthetics: A skim coat creates a smooth, uniform surface, instantly enhancing the visual appeal of concrete. This is especially useful for floors, walls, and patios.

• Extended Lifespan: By addressing surface imperfections and protecting the underlying concrete, a skim coat can help extend the life of the concrete structure.

• Preparation for Other Finishes: A smooth skim coated surface provides an ideal base for paints, coatings, or even decorative overlays, opening up a world of design possibilities.

Who This Guide is For

This comprehensive guide is specifically designed for DIY enthusiasts in US homes. It focuses on common residential applications such as:

• Floors
• Walls
• Decks
• Patios

The goal is to empower you with the knowledge and skills to successfully tackle your own concrete skim coat projects.

Important Disclaimer

While this guide provides detailed instructions and helpful tips, it's crucial to remember that it is intended for general informational purposes only. Concrete repair can be complex, and structural issues require professional attention.

If you suspect any structural damage or are unsure about any aspect of the project, it is essential to consult with a qualified concrete professional or structural engineer. They can assess the situation and provide tailored advice.

Project Prep: Setting the Stage for a Successful Skim Coat

Before diving into the application of a concrete skim coat, meticulous preparation is non-negotiable. Think of it as laying the foundation for success – a poorly prepared surface can compromise adhesion, leading to premature failure and wasted effort. This section outlines the critical steps involved in prepping your concrete surface, ensuring your skim coat adheres properly and provides long-lasting results.

Assessing the Existing Concrete

The first step is a thorough assessment of the concrete surface. This involves identifying any existing damage and evaluating the overall condition.

Carefully inspect for cracks, spalling (flaking or chipping), and pitting (small holes). Note the size and extent of the damage, as this will influence the type and amount of materials you'll need.

Beyond visible damage, assess the surface cleanliness. Is it free of dirt, grease, and debris? Examine the levelness – are there any significant dips or uneven areas? Also, check for the presence of existing coatings, such as paint or sealers, which will need to be removed.

The Critical Role of Concrete Surface Preparation

Surface preparation is arguably the most important aspect of a successful skim coat application. Proper preparation ensures optimal adhesion and prevents future problems.

Thorough Cleaning

Begin by thoroughly cleaning the concrete surface. This involves removing all dirt, debris, grease, and contaminants. Several tools and cleaning agents can be used:

• Concrete Cleaner/Degreaser: Use a concrete cleaner or degreaser to remove stubborn grease and oil stains. Follow the manufacturer's instructions carefully.
• Pressure Washer: A pressure washer is excellent for removing loose debris and dirt. Use a wide fan nozzle to avoid damaging the concrete surface.
• Shop Vacuum: Use a shop vacuum to remove any remaining dust and debris after cleaning.
• Wire Brush: A wire brush can be used to scrub away any remaining stubborn dirt or debris.

Grinding for Smoothness

If the concrete surface is rough or has old coatings, grinding may be necessary. A concrete grinder can smooth out the surface and remove any existing coatings.

When grinding, be sure to wear appropriate safety gear, including a dust mask and eye protection.

Profiling for Adhesion

Profiling refers to roughening the concrete surface to create better adhesion for the skim coat. This can be achieved through several methods.

Check the skim coat manufacturer's recommendations for their preferred method.

Gathering Materials and Tools

Having the right materials and tools on hand is essential for a smooth and efficient skim coat application.

Skim Coat Mixes

Several types of skim coat mixes are available, each with its own ideal applications:

• ARDEX Feather Finish: Ideal for ultra-thin applications and patching minor imperfections.
• Rapid Set Cement All: A fast-setting option suitable for quick repairs.
• Custom Building Products SpeedFinish: A good general-purpose skim coat for various applications.
• QUIKRETE Concrete Patching Compound: Primarily used for patching and repairing larger imperfections before applying a skim coat.
• Polymer-modified cement: A versatile option that offers enhanced adhesion and durability.
• Pre-mixed skim coat: A convenient, ready-to-use option for smaller projects.

Additives, Primers, and Sealers

Consider these supplemental products to enhance the skim coat’s performance and longevity:

• Helpful Additives: SikaLatex can be added to the skim coat mix to improve adhesion and durability.
• Concrete Primer (Acrylic, Epoxy): Promotes adhesion between the concrete surface and the skim coat.
• Bonding Agent: An alternative to primer, also used to ensure proper adhesion.
• Concrete Sealer (Acrylic, Epoxy, Polyurethane): Protects the finished skim coat surface from moisture, stains, and wear.

Essential Tools

Gather these tools to ensure a professional-looking skim coat application:

• Steel Trowel
• Magnesium Float
• Rubber Float
• Margin Trowel
• Mixing Buckets
• Drill with Mixing Paddle
• Scraper (Putty Knife, Floor Scraper)
• Hawk
• Spray Bottle

Necessary Safety Gear

Protect yourself by wearing appropriate safety gear:

• Safety Glasses
• Dust Mask / Respirator
• Gloves
• Knee Pads

Estimating Material Needs

Accurately estimating your material needs will save you time and money. First, measure the square footage of the area you'll be skim coating. Then, consult the manufacturer's recommendations for the skim coat mix to determine the amount needed per square foot at the desired thickness.

Don’t forget to factor in waste. Add 5-10% extra to your calculation to account for spills and inconsistencies.

Visit local home improvement stores and concrete supply stores to compare prices and seek expert advice on choosing the right materials for your project. Also, consider the cost of renting tools like a concrete grinder if you don't already own one.

Skim Coat Application: Achieving a Flawless Surface

With the prep work behind you, the application of the skim coat is where the magic happens. This section provides detailed, step-by-step instructions on how to mix, apply, and finish a concrete skim coat, ensuring a smooth, professional-looking result that will transform your concrete surface.

Mixing the Skim Coat: The Foundation of a Smooth Finish

The mixing stage is crucial for achieving the desired consistency and workability of your skim coat. Improper mixing can lead to a lumpy, difficult-to-apply mixture, ultimately affecting the final result.

Always refer to the manufacturer's instructions on the skim coat packaging for precise mixing ratios. This is the single most important factor in achieving optimal workability and preventing issues like cracking or premature drying.

For most skim coat mixes, you'll need a drill equipped with a mixing paddle. Start by adding the recommended amount of water to your mixing bucket, then gradually add the powdered skim coat mix while continuously mixing with the drill.

Maintain a consistent speed to avoid introducing air bubbles into the mixture. Mix until you achieve a smooth, lump-free consistency, similar to a thick pancake batter. Let the mixture sit for a few minutes (slake time) as directed by the manufacturer, then mix again briefly before applying.

Applying the Skim Coat: Building the Foundation Layer

Proper application is essential for achieving a smooth, even surface. The key is to work in thin, consistent layers, building up the desired thickness gradually.

Before applying the skim coat, lightly dampen the concrete surface with a spray bottle. This improves adhesion and prevents the dry concrete from prematurely drawing moisture from the skim coat, which can lead to cracking.

Using a Steel Trowel, scoop a small amount of the skim coat mixture and apply it to the dampened concrete surface. Spread the mixture in a thin, even layer, using smooth, overlapping strokes.

Apply consistent pressure to ensure a uniform thickness. For the first coat, focus on filling any small imperfections or pinholes in the concrete.

Feather the edges of the applied area to blend seamlessly with the surrounding concrete. This prevents the formation of ridges or hard lines that can be difficult to smooth out later.

Achieving a Smooth Finish: Refining the Surface

Once the first coat has been applied, it's time to focus on achieving a smooth, flawless finish. This may involve applying multiple thin coats and using various finishing tools.

While the skim coat is still wet, use a Magnesium Float to smooth the surface. Work the float in overlapping strokes, applying gentle pressure to eliminate any trowel marks or imperfections.

For an exceptionally smooth finish, consider applying multiple thin coats of skim coat, allowing each coat to partially dry before applying the next. This allows you to gradually build up the desired thickness while minimizing the risk of imperfections.

Use a level tool to ensure the surface is level, especially for floors and horizontal surfaces. Identify high and low spots using a straight edge. Fill low spots with additional skim coat and feather the edges. Remove excess material from high spots by carefully scraping with the edge of your trowel.

Curing and Sealing: Protecting Your Investment

Curing and sealing are the final steps in the skim coat application process, ensuring the longevity and durability of your finished surface.

Allow the skim coat to cure according to the manufacturer's instructions. Curing time varies depending on the specific product and environmental conditions, but typically ranges from 24 to 72 hours. Keep the surface damp during this period to prevent cracking.

Once the skim coat is fully cured, apply a Concrete Sealer (Acrylic, Epoxy, or Polyurethane) to protect the surface from moisture, stains, and wear. Choose a sealer that is appropriate for your specific application and follow the manufacturer's instructions carefully.

A sealed skim coat surface will not only look better but will also withstand the rigors of daily use for years to come.

Beyond the Basics: Advanced Techniques and Tips

While a standard skim coat application can revitalize many concrete surfaces, some projects require more nuanced approaches. This section delves into advanced techniques for handling deeper damage, adding integral color, and adapting to diverse environmental conditions, ensuring a professional finish even in challenging situations.

Addressing Deeper Cracks and Damage

Hairline cracks and minor surface imperfections are easily remedied with a skim coat. However, deeper cracks, spalls (flaking concrete), or extensive pitting necessitate a more robust repair before applying the skim coat. Ignoring these underlying issues will lead to premature failure of the skim coat and a recurring problem.

Utilizing Concrete Patching Compounds

Concrete patching compounds are specifically formulated to fill larger voids and restore structural integrity to damaged concrete. These compounds are typically cement-based and may include additives like polymers or fibers for enhanced strength and adhesion.

Before applying a patching compound, thoroughly clean the damaged area, removing any loose debris, dirt, or unsound concrete. A wire brush, chisel, or even a concrete grinder may be necessary to prepare the surface adequately. Lightly dampen the area before applying the patching compound, following the manufacturer's instructions for mixing and application.

Pack the patching compound firmly into the crack or void, ensuring it completely fills the space. Overfill slightly, as the compound may shrink slightly as it cures. Use a trowel to smooth the surface flush with the surrounding concrete. Allow the patching compound to cure fully, as directed by the manufacturer, before proceeding with the skim coat application. This may involve keeping the area damp to prevent rapid drying and cracking.

Adding Color to Concrete: Stains and Dyes

A skim coat provides an excellent base for adding color to concrete. While the skim coat itself is typically a neutral gray or white, you can achieve a wide range of aesthetics through the application of concrete stains or dyes after the skim coat has fully cured.

Concrete Stains

Concrete stains penetrate the surface of the concrete, creating a permanent color that won't peel or fade. Acid-based stains react chemically with the concrete, producing mottled, variegated tones. Water-based stains offer more consistent color and a wider range of options.

Apply concrete stain after the skim coat has cured completely and has been properly cleaned. Follow the manufacturer's instructions carefully, as application techniques can vary depending on the type of stain. Typically, stain is applied with a brush, roller, or sprayer, and excess stain is wiped away to achieve the desired color intensity. A sealer is essential to protect the stained surface.

Concrete Dyes

Concrete dyes are similar to stains but are typically smaller in molecular size. This allows for deeper penetration and more vibrant colors. Dyes are often solvent-based or water-based and are available in a wide array of hues.

As with stains, apply concrete dye after the skim coat has cured and has been properly cleaned. Dyes typically require a sealer to protect the color and prevent fading. Always follow the manufacturer's instructions for application and safety precautions.

Adapting to Different Environments

Concrete work is heavily influenced by environmental conditions. Temperature and humidity play critical roles in the curing process and the workability of concrete mixes. Understanding these factors is essential for successful skim coat application.

Regional Climate Considerations

The United States boasts a diverse range of climates, from the arid deserts of the Southwest to the humid subtropical regions of the Southeast and the cold, snowy landscapes of the Northeast. These regional variations significantly impact concrete work.

In hot, dry climates, concrete dries rapidly, increasing the risk of cracking. Therefore, additional measures must be taken to prevent rapid water loss, such as misting the surface regularly or using a curing compound. In humid climates, drying times are extended, which can delay the project timeline.

Adjusting Working and Curing Times

High temperatures accelerate the setting time of concrete, reducing the working time available for application and finishing. Conversely, low temperatures slow down the setting time, extending the curing period.

When working in hot weather, consider using a concrete mix with a slower setting time or adding a retarding admixture. In cold weather, use a concrete mix with an accelerating admixture or provide supplemental heat to maintain the concrete's temperature above freezing. Always follow the manufacturer’s recommendations for adjusting mixing and curing practices based on ambient conditions.

DIY or Pro? Making the Right Choice

Deciding whether to tackle a concrete skim coat project yourself or hire a professional is a critical decision that hinges on a careful evaluation of your skills, budget, and the specific demands of the project. While a DIY approach can offer significant cost savings and a sense of accomplishment, it's crucial to honestly assess your capabilities and the potential risks involved.

DIY vs. Professional Installation: A Balanced Perspective

The allure of DIY projects often lies in the perceived cost savings. Eliminating labor costs can significantly reduce the overall expense, but this must be weighed against the investment in tools, materials, and, most importantly, your time. Renting equipment like concrete grinders and mixers can quickly add up, and the cost of materials can vary widely depending on the chosen skim coat mix and any necessary additives.

Moreover, consider the potential for mistakes. An improperly applied skim coat can lead to cracking, delamination, or an uneven finish, potentially requiring costly repairs or even a complete re-do. These mistakes could ultimately negate any initial cost savings, making professional installation a more prudent choice.

On the other hand, professional installation guarantees expertise and experience. Skilled concrete contractors possess the knowledge and tools to handle complex situations and ensure a flawless finish. However, their services come at a premium, with labor costs often representing a significant portion of the overall project budget.

Factors to Consider Before Deciding

• Skill Level: Are you comfortable working with concrete? Have you tackled similar projects before? If you lack experience with troweling, mixing, and finishing concrete, a DIY approach may be overly ambitious.

• Project Complexity: Is the area to be skim coated small and easily accessible, or is it a large, intricate surface with multiple angles and obstacles? Complex projects often require specialized skills and equipment, making professional installation a more sensible option.

• Budget: How much are you willing to spend on the project? Carefully compare the estimated costs of DIY versus professional installation, factoring in the cost of tools, materials, and potential repairs.

• Time Commitment: Do you have the time and patience to dedicate to the project? Applying a skim coat can be a time-consuming process, especially for beginners. Professional installers can complete the job much faster, minimizing disruption to your daily routine.

Finding the Right Professional for Your Project

If you decide that professional installation is the best option, it's essential to find a qualified and reputable concrete contractor or flooring installer. Don't simply settle for the lowest bid.

Vetting Potential Contractors

• Check Credentials: Verify that the contractor is licensed and insured in your state. This protects you from liability in case of accidents or property damage.

• Request References: Ask for a list of previous clients and contact them to inquire about their experience with the contractor. Pay close attention to their comments on the quality of the work, communication, and overall professionalism.

• Review Online Reviews: Check online review sites like Yelp, Google Reviews, and the Better Business Bureau for feedback from other customers. Be wary of contractors with consistently negative reviews.

Obtaining Multiple Quotes

• Get at Least Three Bids: Contact several contractors and request detailed written quotes for the project. Make sure the quotes include a breakdown of all costs, including labor, materials, and any applicable fees.
• Compare Apples to Apples: When comparing quotes, ensure that each contractor is bidding on the same scope of work and using comparable materials.
• Don't Be Afraid to Negotiate: Once you've received multiple quotes, don't hesitate to negotiate with the contractors to get the best possible price.

By carefully weighing the pros and cons of DIY versus professional installation and thoroughly vetting potential contractors, you can make an informed decision that ensures a successful and long-lasting concrete skim coat project.

Troubleshooting: Overcoming Common Skim Coat Challenges

No concrete skim coat project is entirely immune to potential hiccups. Recognizing these challenges and understanding how to address them effectively is crucial for achieving a durable and aesthetically pleasing result. This section outlines common problems encountered during and after skim coat application and provides practical solutions to resolve them.

Addressing Cracking

Cracking is among the most frequent concerns in skim coat applications. These imperfections can manifest in various forms, from hairline fractures to more extensive fissures, compromising the integrity and appearance of the surface.

Causes of Cracking

Several factors contribute to cracking in skim coats:

• Improper mixing: Incorrect water-to-mix ratios or inadequate mixing can result in a weak and brittle skim coat, prone to cracking.
• Inadequate surface preparation: A poorly prepared surface with dirt, debris, or existing coatings hinders proper adhesion, leading to cracking as the skim coat dries and shrinks.
• Excessive drying: Rapid drying, often caused by high temperatures or low humidity, can cause the skim coat to shrink unevenly, resulting in cracks.

Solutions for Cracking

The approach to resolving cracking depends on the severity and extent of the damage:

• Hairline Cracks: For minor hairline cracks, apply a flexible concrete sealant designed for crack repair. Follow the manufacturer's instructions for application.

• Larger Cracks: Widen the crack slightly with a chisel or grinder to create a clean, V-shaped groove. Thoroughly clean the groove and apply a concrete patching compound specifically designed for crack repair. Feather the edges of the patch to blend seamlessly with the surrounding surface.

• Preventative Measures: To prevent future cracking, ensure meticulous mixing of the skim coat, thorough surface preparation, and controlled drying conditions. Dampen the concrete surface before application and protect the skim coat from direct sunlight and excessive heat during curing.

Resolving Delamination

Delamination, the separation of the skim coat from the underlying concrete, is a serious issue that can compromise the longevity and aesthetics of the repair.

Causes of Delamination

Delamination is often triggered by:

• Poor adhesion: Insufficient surface preparation, the presence of contaminants, or the use of an incompatible bonding agent can all lead to poor adhesion and subsequent delamination.
• Contamination: Dirt, grease, oil, or other contaminants on the concrete surface can prevent the skim coat from properly bonding.
• Improper curing: Failure to properly cure the skim coat can weaken its bond to the concrete substrate.

Solutions for Delamination

Addressing delamination requires a systematic approach:

• Removal: Carefully remove the delaminated area using a chisel, scraper, or grinder. Ensure that all loose material is removed down to a sound, well-bonded surface.

• Preparation: Thoroughly clean and prepare the exposed concrete surface. This may involve grinding, etching, or applying a bonding agent to promote adhesion.

• Reapplication: Reapply the skim coat according to the manufacturer's instructions, paying close attention to mixing ratios, application techniques, and curing procedures.

• Prior to reapplication, consider applying a concrete primer or bonding agent to enhance adhesion, especially in areas prone to moisture or contamination.

Correcting an Uneven Finish

An uneven finish detracts from the overall appearance of the skim coat and can create tripping hazards or functional problems.

Causes of an Uneven Finish

Several factors can contribute to an uneven finish:

• Inconsistent application: Variations in the thickness of the skim coat can result in an uneven surface.
• Improper leveling: Failure to properly level the skim coat during application can create high and low spots.
• Inadequate smoothing: Insufficient smoothing with a trowel or float can leave behind ridges, bumps, and other imperfections.

Solutions for an Uneven Finish

Correcting an uneven finish may require additional coats or refinement of techniques:

• Additional Coats: Apply additional thin coats of skim coat to fill in low spots and level the surface. Allow each coat to dry completely before applying the next.

• Leveling Tools: Use a level or straightedge to identify high and low spots. Feather the edges of high spots with a grinder or scraper to blend them with the surrounding surface. Fill low spots with additional skim coat.

• Refined Smoothing Techniques: Practice proper troweling and floating techniques to achieve a smooth, even finish. Use a magnesium float to smooth the surface while the skim coat is still wet, and a steel trowel to create a polished finish once the skim coat has begun to harden.

• Sanding: For minor imperfections, consider lightly sanding the cured skim coat with fine-grit sandpaper to achieve a smoother, more uniform surface. Ensure you wear a dust mask during sanding.

Resources: Expanding Your Skim Coat Knowledge

Beyond this guide, a wealth of information exists to deepen your understanding and refine your concrete skim coating skills. Leveraging these resources can significantly enhance your project outcomes, providing access to expert advice, detailed product information, and a supportive community of fellow DIY enthusiasts. Exploring these avenues will help you navigate challenges, learn advanced techniques, and ultimately achieve professional-quality results.

Manufacturer Websites: Your First Stop for Product Mastery

The websites of skim coat manufacturers are invaluable repositories of information. They are the primary source for product data sheets, application guides, and safety information. Always consult the manufacturer's instructions before beginning any skim coat project.

These resources typically provide detailed specifications, including:

• Mixing ratios.
• Application techniques.
• Curing times.
• Safety precautions.

These official guides often include troubleshooting tips specific to the product. By carefully reviewing this information, you can minimize errors and maximize the performance of your chosen skim coat material. Some manufacturers also offer video tutorials or webinars demonstrating proper application techniques, which can be incredibly helpful for visual learners.

Online Forums & Communities: Tapping into Collective Wisdom

Online forums and communities dedicated to DIY projects and concrete work offer a unique opportunity to learn from the experiences of others. These platforms bring together a diverse group of individuals, from seasoned professionals to first-time DIYers, who are eager to share their knowledge and offer support.

Engaging in these communities can provide several benefits:

• Problem-solving assistance: When encountering a specific issue during your project, you can post questions and receive tailored advice from experienced members.
• Technique refinement: Learn alternative techniques and best practices that may not be covered in standard guides.
• Product recommendations: Get unbiased opinions and recommendations on different skim coat products and tools based on real-world experiences.
• Inspiration and motivation: Browse completed projects and success stories to gain inspiration and stay motivated throughout your own project.

Popular forums and communities include those on platforms like Reddit (subreddits dedicated to home improvement and concrete), Houzz, and DIY-specific websites. When participating in these communities, remember to verify the credibility of the advice and consider multiple perspectives.

Blogs & Articles: A Deep Dive into Techniques and Project Ideas

A vast array of blogs and articles provide in-depth information on concrete skim coats, covering topics ranging from basic techniques to advanced applications. These resources often feature step-by-step tutorials, project showcases, and expert insights.

Well-written blogs and articles offer:

• Detailed instructions: Clear and concise instructions with accompanying photos or videos can make complex tasks easier to understand and execute.
• Technique demonstrations: Visual demonstrations of specific techniques, such as feathering edges or achieving a smooth finish, can be incredibly valuable.
• Project ideas and inspiration: Explore different ways to use skim coats to enhance the aesthetics and functionality of your home.
• Product reviews and comparisons: Unbiased reviews and comparisons of different skim coat products can help you make informed decisions.
• Troubleshooting tips: Learn how to identify and address common problems that can arise during or after skim coat application.

Look for blogs and articles written by experienced contractors, DIY experts, or reputable home improvement websites. Be sure to cross-reference information from multiple sources to ensure accuracy and completeness. Many manufacturers also maintain blogs that provide valuable tips and insights into their products.

So, there you have it! Applying a concrete skim coat isn't rocket science, and with a little patience and elbow grease, you can definitely tackle it yourself. Just remember to take your time, prep well, and don't be afraid to experiment. Good luck giving your surfaces a fresh, new look!