Sealcoating is a crucial maintenance task that extends the life of your asphalt surfaces by protecting them from the elements and daily wear and tear. Proper preparation before applying sealcoat is essential for achieving a smooth, durable finish. We at Andersen Asphalt & Striping would like to offer a step-by-step guide to help you prepare your asphalt for sealcoating today.
Inspect & Repair Surface
Before you begin, thoroughly inspect your asphalt surface for any damage. Look for cracks, potholes, and other imperfections. Small cracks can be repaired with a crack filler, while larger issues may require patching. Addressing these problems before sealcoating ensures that the sealcoat adheres properly and prevents future damage. For extensive repairs, consider consulting a professional.
Clean the Surface
Cleaning is a critical step in the preparation process. Remove all dirt, debris, leaves, and other foreign materials from the asphalt. A leaf blower or broom works well for this task. For a more thorough clean, use a power washer to remove oil stains, grime, and other contaminants. Ensure the surface is completely dry before proceeding to the next step.
Remove Oil & Grease Stains
Oil and grease stains can prevent sealcoat from adhering properly. Use a commercial degreaser or a mixture of water and detergent to treat these stains. Apply the cleaning solution, scrub with a stiff brush, and rinse thoroughly with water. Allow the area to dry completely before moving on.
Address Vegetation & Overgrowth
If you have any grass or weeds growing along the edges or cracks, remove them. Vegetation can interfere with the sealcoating process and lead to uneven application. Use a weed killer or manually pull out the weeds and grass, ensuring the area is clear and smooth.
Check for Proper Drainage
Good drainage is essential for the effectiveness of sealcoating. Ensure that your asphalt surface has adequate drainage to prevent water from pooling. If you notice any areas where water tends to accumulate, consider improving the drainage with proper grading or installing drainage solutions.
Edge Preparation
Use a wire brush or a high-pressure cleaner to remove any loose asphalt or debris from the edges of your driveway or parking lot. This step is crucial for achieving a clean, sharp edge and ensuring that the sealcoat adheres properly along the edges.
Apply a Primer (If Needed)
Some sealcoating products may require a primer to enhance adhesion, especially if the asphalt surface is very porous. Check the manufacturer’s recommendations for your specific sealcoat product. If a primer is needed, apply it according to the instructions and allow it to dry before applying the sealcoat.
Ensure Proper Weather Conditions
Sealcoating should be done in favorable weather conditions. Ideally, the temperature should be between 50°F and 90°F (10°C and 32°C), and there should be no rain in the forecast for at least 24 hours after application. Check the weather forecast and choose a day when conditions are ideal for sealcoating.
Protect Adjacent Areas
Cover any adjacent surfaces that you do not want to be coated, such as curbs, sidewalks, and buildings, with plastic sheeting or painter’s tape. This protection helps prevent accidental splashes and ensures a clean application.
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By following these steps, you can ensure that your asphalt is properly prepared for sealcoating, leading to a smoother finish and longer-lasting protection. Proper preparation not only enhances the appearance of your asphalt but also maximizes the benefits of sealcoating, ultimately saving you time and money on future repairs. To ensure your sealcoating treatment is superior, call Andersen Asphalt & Striping and let our pros take care of the rest.
