Basketball Court Resurfacing

Published: 29th March 2011
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Is your court fading, cracking, peeling or do you have bird baths (low lying areas that collect water) all over the place? If so, it is in need of repair. Most courts can be repaired then resurfaced, but some will need a layer of asphalt. Depending on the existing courts condition, Sport Surfaces can resurface a basketball court in 1-3 days, weather permitting.

Sport Surfaces performs resurfacing and maintenance work. Beautiful basketball courts attract greater usage. Players gain more enjoyment from courts that are in good shape. They just naturally inspire better basketball. Sport Surfaces is a company with a history of success in basketball court construction and resurfacing. If you need your court resurfaced, contact us. Well make your court look and play like new again.

There are several different types of surfaces available. Some are best suited for indoor basketball courts and others for outdoor basketball courts.

Asphalt- A hard court surface that is made with between 1-2 inches of asphalt with an acrylic coating on top.

Some may need to be re-asphalted. The more problems with the surface of the court will cost you more money to repair it.(cracks, birdbaths etc.)

Remember that no basketball court is perfect, and you will most likely get cracks and small puddles in the surface.

1. How bad are the cracks? Is there a lot of cracks? If you have very large cracks or there are cracks all over the place. You may want to consider re-asphalting. If the cracks are reasonable they you will want to fill them. See filling cracks.

2. Are there any puddles in the surface? Puddles are fairly easy to fix. Small puddles are usually left alone and puddles in the non playing surface are usually less cared for.

3. How poor the original surface is? Is the surface peeling? If the surface is peeling at the cracks, it is usually OK. What happens is water gets under the surface and peels it up. If the surface is peeling in other spots it may be because the asphalt is deteriorating. This could be caused by water coming up through the asphalt. (poor drainage). If the courts drainage system under the court is failing water will deteriorate the asphalt.
Preparation and Procedure for Basketball Court Resurfacing:

Step 1. Clean courts with a high pressure power washer (3000 psi) if needed. Most dont but some have sap from trees or are just really dirty.

Step 2. Clean, fill and smooth all cracks. We use a modified concrete to fill them.

We like to refer to it as filling a crack instead of fixing a crack as almost all cracks comeback. Almost every court we have seen has cracks whether they are hairline cracks or large cracks. They will likely reappear after they are filled/fixed usually they only come back as a hairline crack. But not all cracks come back. We use a polymer modified cement with silica sand to fill all our cracks. Some companies use crack filler but we find it toocostly and not as effective.


Cracks that have grass or weeds growing out of them must be cleaned out first.

Using a grinder to V out the crack, giving the cement more surface area to hold onto. Small hairline cracks can be left alone as the resurfacer will fill them in.
Mix up the cement and pour it into the crack, using a trowel to smooth out the cement

Step 3. Fix bird baths or low areas with a few layers of resurfacer or acrylic patch. For deep low areas we use polymer modified cement.


1. Clean the surface with a power washer or use a grinder to scar up the surface for better adhesion.

2. Use a 2x4 to spread out the cement. Let it completely dry before applying resurfacer.

Note: We usually put an extra coat of resurfacer over a low spot to help smooth it out.

Not all low areas of a basketball court can be fixed. If the asphalt has sunken causing a bird bath (low area that collects water). Sometimes it will be to time consuming and costly to repair this. So we will put 2-3 coats of resurfacer on the area to help build it up.

Step 4. Apply acrylic resurfacer to basketball courts. Mix as per instructions. Varying amounts of clean silica sand added for increased durability and ball speed.

Base Coat After all cracks and low spots are filled we apply a base coat acrylic resurfacer. Though a base coat is not always required. It does help since it contains more silica sand than the colored resurfacerThere for it fills in more imperfections in the surface.
The base coat is applied with a squeegee. You must always keep a wet edge. Tips: Make sure you have enough people to help so that you have 2 people with squeegees and at least 2 people mixing. Any less than this will cause the product to dry before it cabe evenly spread out.

Step 5. Apply two coats of acrylic color.

If you are a applying color coat to an old basketball court surface without putting a base coat down,(not suggested) make sure you power wash the surface for increased bond.

It is the most important as it will be the coat that you will see for many years to come. It is applied the same way as the base coat (with a squeegee). Make sure you keep a wet edge and have enough people mixing product for you. A few tips:

Always keep a wet edge.
Mix the material the same way with the same amount of each product. This will keep the color consistent. Apply it as soon and as quick (dont run) as you can so that it doesnt dry or the sand settles to the bottom. This will cause a color variation.

6. Stripe (paint) lines to regulation size.

Painting can be a very time consuming experience. We use masking tape to map out the lines. Using two people we mark out where the tape is to go. Then we pull out about 6-10 feet of tape and line it up with the next mark. This helps keep the lines as straight as possible. And you can get a court done in a couple of hours. Tips:

They sell a product that you can paint over the line before you color them to stop the paint from bleeding under the tape. We find it to be a waist of money and time, just make sure the tape is good quality and is down good. When you paint dont press to hard and use a good 2brush. Have one person pouring the paint out while another is spreading it out. The third person will be touching it up. This will make sure you have even paint and you get it spread perfect before it drys.

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