top of page

Blog Post

Specialist in all aspects of Concrete Waterproofing,  Basement Tanking and Roofing Repairs. 

How to Seal Concrete Steps: A Comprehensive DIY Guide

Updated: Jul 4

For sealing concrete steps, make sure to clean the surface well before applying a concrete sealer with a brush or roller. Let it dry fully.

Sealing concrete steps is essential to protect them from weather damage and wear. It helps to extend the lifespan of the steps and maintain their appearance. Begin by cleaning the surface to remove any dirt, debris, or stains. Use a pressure washer or a scrub brush with a concrete cleaner.

After the steps are dry, apply a high-quality concrete sealer evenly with a brush or roller. Ensure complete coverage, especially in corners and edges. Let the sealer dry according to the manufacturer's instructions. Then, use the steps. Regular sealing helps to keep your concrete steps in excellent condition.

For centuries, Mastic Asphalt has been widely recognised as the most effective method of waterproofing steps. Its enduring and adaptable characteristics have earned it the title of the 'King of Waterproofing'.


Sealing concrete steps is essential to maintain their durability and appearance. Proper preparation ensures the sealant adheres well and lasts longer. Let’s dive into the steps needed for effective preparation.

Cleaning The Steps

Start by cleaning the concrete steps thoroughly. This removes dirt, grime, and any contaminants that could prevent the sealant from adhering. Follow these steps:

  • Sweep the steps to remove loose dirt and debris.

  • Use a power washer for deep cleaning. Ensure the water pressure is not too high to avoid damaging the concrete.

  • Mix a cleaning solution of water and mild detergent. Apply it to the steps with a stiff-bristled brush.

  • Scrub the steps to loosen any stubborn dirt and stains.

  • Rinse the steps thoroughly with clean water.

  • Allow the steps to dry completely before moving on to the next step.

Inspecting For Damage

After cleaning, inspect the steps for any damage. This ensures the sealant will be effective and that the steps are safe. Follow these steps:

  • Look for cracks and chips on the surface of the steps.

  • Check for loose or broken pieces that could pose a hazard.

  • If you find any small cracks, use a concrete patching compound to fill them.

  • For larger cracks or damage, consider consulting a professional to ensure proper repair.

  • Make sure all repairs are completely dry before applying the sealant.

Proper preparation is crucial for sealing concrete steps effectively. Cleaning and inspecting for damage are the first steps in this process. Follow these guidelines to ensure a durable and long-lasting seal.

Choosing The Right Sealer

A door at the top of grey stairs, with a sealed concrete step.
Newly Asphalted Steps with solar reflective paint

Sealing concrete steps enhances their appearance and prolongs their life. Choosing the right sealer is crucial for achieving the best results. The right sealer protects your steps from weather damage, stains, and wear and tear. Let's explore the different types of sealers available and the considerations for selecting the best one for your needs.

Types Of Sealers Available

Various sealers are available on the market, each with unique properties. Understanding the differences helps in making an informed choice.

  • Penetrating Sealers: These sealers penetrate the concrete surface, forming a protective barrier within. They are ideal for exterior steps as they offer excellent protection against water and stains.

  • Acrylic Sealers: Acrylic sealers form a thin layer on the surface, providing a glossy finish. These are suitable for both indoor and outdoor steps. They are easy to apply and dry quickly.

  • Epoxy Sealers: Known for their durability, epoxy sealers form a thick, hard layer on the concrete. They are best used for indoor steps due to their tendency to yellow under UV light.

  • Polyurethane Sealers: These sealers offer superior resistance to abrasion and chemicals. They are ideal for high-traffic areas and provide a glossy or matte finish.

Sealer Type

Best For


Penetrating Sealers

Exterior steps


Acrylic Sealers

Indoor and outdoor steps


Epoxy Sealers

Indoor steps


Polyurethane Sealers

High-traffic areas

Glossy or matte

Advanced Liquid Waterproof Coating

Considerations For Selection

Choosing the right sealer depends on several factors. Consider these aspects to make the best choice:

  1. Location: Determine if the steps are indoors or outdoors. Penetrating sealers work best for outdoor steps, while epoxy and acrylic sealers are suitable for indoor steps.

  2. Traffic: Assess the foot traffic on the steps. Polyurethane sealers are ideal for high-traffic areas due to their durability.

  3. Appearance: Decide on the desired finish. Acrylic sealers provide a glossy look, while penetrating sealers offer an invisible finish.

  4. Climate: For areas with harsh weather, choose a sealer that offers superior protection against moisture and UV rays. Penetrating sealers are excellent for such conditions.

  5. Application Ease: Some sealers are easier to apply than others. Acrylic sealers are user-friendly and dry quickly, making them a good choice for DIY projects.

By considering these factors, you can select the right sealer that ensures long-lasting protection and enhances the aesthetic appeal of your concrete steps.

Newly completed Mastic Asphalt step renewal.

Application Process

Sealing concrete steps keeps them looking great and extends their life. The application process is essential for a durable and effective seal. In this section, we'll discuss the tools and materials you'll need and provide a step-by-step guide for applying the sealer.

Tools And Materials Required

Before you start, gather all the necessary tools and materials. Proper preparation ensures a smooth and efficient application. Here's a list of what you'll need:

  • Concrete sealer: Choose a high-quality sealer suitable for outdoor use.

  • Pressure washer: Clean the concrete steps thoroughly.

  • Scrub brush: For scrubbing away stubborn dirt and stains.

  • Painter's tape: To protect adjacent surfaces from the sealer.

  • Paint roller or sprayer: For applying the sealer evenly.

  • Paint tray: To hold the sealer while you work.

  • Protective gear: Gloves, goggles, and a mask to ensure safety.



Concrete sealer

Protects and seals the concrete surface.

Pressure washer

Removes dirt, debris, and stains from the steps.

Scrub brush

Helps clean stubborn spots.

Painter's tape

Prevents sealer from getting on unwanted areas.

Paint roller or sprayer

Applies the sealer evenly across the steps.

Paint tray

Holds the sealer for easy access.

Protective gear

Keeps you safe from harmful chemicals.

Step-by-step Application Guide

Follow these steps to ensure your concrete steps are sealed correctly. Each step is crucial for a lasting finish.

  1. Clean the steps: Use the pressure washer to remove dirt and debris. Scrub any stubborn areas with the scrub brush.

  2. Dry the surface: Allow the concrete to dry completely. This step ensures the sealer adheres properly.

  3. Tape off areas: Use painter's tape to protect any surfaces adjacent to the steps.

  4. Prepare the sealer: Pour the sealer into the paint tray. Stir it well to ensure an even consistency.

  5. Apply the sealer: Use a paint roller or sprayer to apply the sealer. Start at the top step and work your way down.

  6. Second coat (if needed): Allow the first coat to dry as per manufacturer's instructions. Apply a second coat if necessary.

  7. Remove tape: Carefully remove the painter's tape before the sealer dries completely.

  8. Let it cure: Allow the sealer to cure fully. This step is important for maximum protection.

By following these steps, you'll ensure your concrete steps are well-protected and look great for years.

Drying And Curing

Sealing concrete steps is essential for maintaining their durability and appearance. The sealing process has many steps. One of the most critical is drying and curing. Making the concrete dry and cure well is key. It greatly affects the sealant's effectiveness and longevity. Let's explore why proper drying is so crucial and the factors that influence curing time.

Importance Of Proper Drying

Proper drying is fundamental for a successful concrete sealing project. If the concrete does not dry adequately, the sealant may not adhere well, leading to peeling and reduced protection. Here are key reasons why proper drying is essential:

  • Adhesion: The sealant needs a dry surface to bond effectively. Moisture can interfere with this process, causing the sealant to fail prematurely.

  • Preventing Mold and Mildew: Moist environments promote the growth of mold and mildew, which can damage the concrete and affect its appearance.

  • Ensuring Strength: Proper drying helps the concrete achieve its full strength, making it more resistant to wear and tear.

Concrete drying times can vary based on several factors, but generally, it takes about 24 to 48 hours for the surface to be dry enough for sealing. During this period, it's important to keep the steps protected from rain and other sources of moisture. Covering the steps with a tarp or plastic sheet can help maintain a dry environment.

In summary, adequate drying time ensures that the sealant adheres well and provides long-lasting protection to your concrete steps.

Understanding these factors can help you plan your sealing project more effectively:

  1. Monitor Weather Conditions: Choose a time with moderate temperatures and low humidity to ensure optimal curing.

  2. Use Quality Mix: Ensure the concrete mix is appropriate for your climate and the specific requirements of your project.

  3. Provide Protection: Protect the curing concrete from elements like rain and direct sunlight to maintain a consistent curing environment.

By considering these factors, you can ensure that your concrete steps cure properly, resulting in a stronger, more durable surface ready for sealing.

Maintenance Tips

Sealing concrete steps keeps them looking new and protects them from damage. To keep your concrete steps in perfect shape, follow these maintenance tips. Regular cleaning and a reapplication schedule ensure long-lasting results and a beautiful appearance.

Regular Cleaning

Regular cleaning is essential to maintain the look and durability of your sealed concrete steps. Dust, dirt, and grime can accumulate and affect the sealer's performance. By keeping your steps clean, you extend the life of the sealant and prevent damage.

Follow these steps for effective cleaning:

  • Sweep Daily: Use a broom to remove loose dirt and debris.

  • Weekly Wash: Use a garden hose to rinse off accumulated dirt.

  • Stubborn Stains: Mix water and mild detergent to scrub away tough spots.

  • Avoid Harsh Chemicals: Avoid bleach or strong cleaners as they can degrade the sealant.

Reapplication Schedule

Sealed concrete steps need periodic reapplication to maintain their protective layer. Over time, the sealer wears off due to weather conditions and foot traffic. A reapplication schedule helps ensure the steps remain protected and visually appealing.

Here is a recommended reapplication timeline:

  • Light Traffic Areas: Reapply every 2-3 years.

  • Moderate Traffic Areas: Reapply every 1-2 years.

  • Heavy Traffic Areas: Reapply annually.

Signs that indicate the need for reapplication include:

  1. Fading Color: The steps look dull or faded.

  2. Water Absorption: Water no longer beads on the surface.

  3. Visible Wear: Scratches or worn spots appear.

By following a reapplication schedule, you ensure your concrete steps stay protected and look great for years to come.

Benefits of Sealing Concrete Steps

Sealing concrete steps is crucial for maintaining their longevity and appearance. By applying a sealant, you can protect your steps from wear and tear, weather damage, and stains. Here, we will explore the key benefits of sealing concrete steps, focusing on enhanced durability and improved aesthetics.

Enhanced Durability

Sealing concrete steps significantly enhances their durability. Unsealed concrete is porous, which allows water, oil, and other substances to seep in, causing damage over time. Sealing creates a protective barrier, preventing these issues.

Key benefits of enhanced durability include:

  • Water Resistance: A sealed surface repels water, preventing cracks and erosion caused by freeze-thaw cycles.

  • Stain Prevention: Sealing prevents oil, grease, and other stains from penetrating the surface.

  • Reduced Wear: Sealed concrete resists abrasion from foot traffic and other impacts, extending the life of your steps.

Improved Aesthetics

Enhancing the appearance of concrete steps by sealing them can significantly improve their look. A sealed surface appears cleaner, brighter, and well-kept, ultimately contributing to the overall curb appeal of your home.

Key benefits of improved aesthetics include:

  • Enhanced Colour: Sealants can bring out the natural color of the concrete, making it look vibrant and fresh.

  • Gloss and Shine: Some sealants add a glossy finish, giving the steps a polished and sophisticated look.

  • Stain Resistance: A sealed surface resists stains, keeping the steps looking clean and new.

Sealing concrete steps not only makes them durable but also keeps them looking beautiful for years.

Contact Us Today

Sealing your concrete steps is essential for both durability and appearance. Follow these steps for a lasting finish. Good preparation and the right sealant keep concrete safe. Regular maintenance keeps it looking great. Enjoy the benefits of well-sealed steps with minimal effort and cost.

For professional help, contact Bell Asphalt Co. We specialise in sealing concrete steps and provide top-notch service in London. Reach out to us for expert solutions and exceptional results. Your satisfaction is our priority. Contact us today. Ensure your concrete steps stay strong and looking good for years.

Common questions about how to seal concrete steps

Why seal concrete steps?

Sealing concrete steps is important for several reasons. First, it protects the surface from damage by water, oil, and other substances. These can penetrate the concrete and cause deterioration over time. By sealing the steps, you create a barrier. It stops these substances from seeping into the concrete. That seeping causes cracks or stains.

How often should I seal concrete steps?

You must seal concrete steps. This protects them from damage by weather, foot traffic, and other factors. You need to seal concrete steps often. How often depends on factors like your local climate, foot traffic, and the type of sealer used. Seal concrete steps every 1-3 years. This keeps their durability and appearance.

What type of sealer is best?

The best type of sealer depends on the specific surface or material you're trying to seal. For example, for outdoor concrete, a sealer can let it breathe. It also protects against water and stains. But, for kitchen countertops or bathroom tiles, a sealer adds a protective layer. This type may be more suitable.

Can I seal old concrete steps?

Yes, you can seal old concrete steps to protect them from weathering and damage. Before sealing, clean the steps well. Remove any dirt, debris, or stains. You may need to use a pressure washer or a concrete cleaner for this step. Once the steps are clean and dry, you can apply a concrete sealer. Use a brush or roller as the manufacturer instructs.

Should I seal concrete steps?

Yes, it's generally recommended to seal concrete steps. This protects them from damage by weather, moisture, and other external factors. Sealing the concrete will help stop water from getting in. This can cause cracks, spalling, and other damage over time. Also, sealing the surface can improve the look of the steps. It can also make them easier to clean and maintain.

How to seal concrete stepping stones?

To seal concrete stepping stones, use a sealer made for outdoor concrete. Before applying the sealer, make sure the stepping stones are clean and dry. Apply sealer in even layers using a brush or roller. Allow the sealer to dry completely according to the manufacturer's instructions.

6 views0 comments


Noté 0 étoile sur 5.
Pas encore de note

Ajouter une note
bottom of page