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If you have an older asphalt driveway that needs to be completely replaced, but you do not currently have the money to invest in a full driveway replacement, then you may try to extend the life of your driveway for a few more years with the application of a sealant. If you see multiple potholes in the driveway, then you will need to hire someone who can complete asphalt patching services first. Once multiple cracks remain, like when you see a great deal of alligator cracks, you can cover the surface of the asphalt with a sealer. Keep reading to learn about some tricks that will help you to cover the remaining cracks.
Clean Away Dirt And Debris
Asphalt sealers create an impenetrable film over driveway surfaces to protect them from sun and weather damage. If you want to keep cracks and openings from expanding, the film should cover the bottom and sides of each crack. Sealers will attach to clean asphalt surfaces, and this means you will need to make sure that all cracks are as clean and free of debris as possible. There are a few different steps you will need to take to complete the cleaning. You will first need to inspect cracks for signs of vegetation growing through the openings. If you see grass or weeds, then use a thin weeding tool like a weed razor, paver weeder, or hand weeder to remove the greenery. You can also use either a screwdriver or a weed torch to complete the weed removal.
An asphalt cleanser with an oil remover should then be used to clean the asphalt. Look for a product with a degreaser. Also, products that contain oil dispersants can be used if motor oil or another type of petroleum product has been spilled on the asphalt. Dispersants contain both emulsifiers and solvents to break up the oil into small particles so that water can remove it. Spread the cleaner across the surface of your driveway and make sure to squeeze an ample amount in all cracks. Use a nylon brush to scrub the driveway. Use clean water to rinse the asphalt after the cleaner is applied.
The final step in the cleaning process is to force small stones and other debris out of the cracks. Use a compressor fitted with an air gun or an extension wand. Place the end of the nozzle close to each crack or group of cracks and release air into the openings. Sweep debris away when you are finished.
Choose A Thick Sealer
One or two thin coats of sealer are typically applied to an asphalt surface. Asphalt sealers are meant to create a thin barrier that protects the asphalt underneath. If a sealer is too thick, it will take longer to cure and it may crack and separate from the asphalt underneath. While this is true, there are some sealers that are naturally thicker than others. Choose the thickest sealer you can so that cracks are partially filled during the sealing process. Products that are meant for commercial parking lots, like some coal tar emulsion varieties, are a good choice. These types of sealers are marketed as high-traffic or high-demand sealers.
Coal tar emulsion sealers contain some textile fabrics that can help to fill in driveway cracks. They also contain fast-drying additives. These additives help to ensure that the sealer can and will cure quickly. Since the sealer dries from the top down, this keeps the product from remaining wet near the asphalt surface and pulling away from it.
When you go to add the sealer to your driveway, make sure to use a flexible rubber squeegee. Hard plastic squeegee and bristle applicators do not have enough give for thick layers of sealer to be spread on the asphalt surface. A rubber squeegee will help you to add a thick layer of sealer that is consistent and smooth. For more information, check out this website.