Sign Painting Primers and Sealers

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  • Enamel Paints and Mediums
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Sign Painting Primers and Sealers


Sign painting primers and sealers help prime your surface and seal your finished work. Apply them with a brush, roller, or sprayer. Primers create a stable, durable basecoat on a wide range of surfaces, including wood, metal, and vinyl. It also helps paint better adhere to the surface. Some primers work best on one type of surface, but multi-surface primers can adhere to more than one type of surface. Sealers protect your finished sign. They prevent UV and water damage.

Frequently Asked Questions

  • Do I need a primer or sealer?

    It depends on what you are covering, on the quality of the surface underneath, and on how long you expect the finished sign to last. If you are covering an older sign, a primer helps to prevent its ghostly presense from bleeding through and spoiling the appearance of the new sign. Use a sealer to prepare a surface, especially a porous surface, so that your sign will last longer.