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How to paint over epoxy resin

Updated March 30, 2017

Epoxy resin is used on many things such as boats, window sills, gutters and swimming pools. You can paint over epoxy resin to match the colour of the rest of the object it is applied to. Epoxy resin will hold its durability for a long time. The epoxy resin helps build a strong, waterproof seal. You can sand and paint epoxy resin yourself.

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  1. Sand the surface of the epoxy resin. If you use a sander, keep the RPMs of the sander no higher than 2000 RPMs to avoid scratching the epoxy surface. If using sandpaper, begin with 60 to 80 grit sandpaper, proceed to 120 to 180 grit, then finish sanding with 220 to 280 grit sandpaper.

  2. Apply a UV-resistant varnish. The varnish will help protect the epoxy resin surface. Apply at least two coats of the varnish and allow to dry between coats.

  3. Paint the surface. Use a paint for epoxy resin. Apply coats as needed, allowing drying time between coats.

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Things You'll Need

  • Sander
  • Sandpaper (60 grit, 80 grit, 120 grit, 180 grit, 220 grit and 280 grit)
  • UV-resistant varnish
  • Paint
  • Paint brush

About the Author

Cassie Skelley has been writing articles about computers, electronics, video games and personal care for the Ikana Kai newsletter and Bon Losee Beauty College since 2005. Skelley majored in biology at Brigham Young University-Hawaii and in cosmetology at Bon Losee.

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