Tennis Court
Tennis Court Resurfacing: Avoiding Surface Pinholes and Pits
Acrylic tennis court surfaces are commonly applied over asphalt or concrete bases. One of the problems often encountered on asphalt surfaces after application of color coatings are many visible pinholes or small surface pits. The good news is that the pinholes will not cause any problems with game play or shorten the life of the coatings. However, this aesthetic issue can be easily avoided with proper asphalt mixes and sufficient filler coats.
When paving asphalt courts, it is recommended to us a finer aggregate mix on the top lift. This will help to minimize voids. These voids hold small pockets of air which escape during the tennis court resurfacing process, leaving pinholes in the coating surface. These voids also, if left unfilled, leave the surface with a pitted profile.
If the surface is not paved with an ideal asphalt mix, it can still be salvaged. Acrylic Resurfacer is an industry standard product that is used to fill voids and retexture smooth sport surfaces. The key is to mix the resurfacer with a larger size of sand (30-60 mesh) and load it up with 15 to 16 pounds of sand per gallon of concentrated material. Multiple coats may be needed to completely fill the voids. This will ensure proper filling of the asphalt surface and eliminate voids and air pockets that lead to pinholes and pits. The colored tennis court coatings can now be applied over the properly prepared surface to achieve consistent play and an attractive finish.
For more information on proper tennis court construction, search for web for the American Sports Builders Association.
About the Author
Jeff Gearheart is the director of SportMaster Sport Surfaces. SportMaster manufactures acrylic tennis court surfaces and repair products. Visit our website at http://www.sportmaster.net
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