Practice question

What type of primer is required by Caltrans specifications prior to applying thermoplastic markings onto Portland Cement Concrete (PCC) pavement?

  1. Water-based acrylic house paint primer applied to the asphalt.
  2. Red oxide metal primer coating.
  3. Refined coal tar sealcoat primer.
  4. Epoxy or rubber-based specialty thermoplastic primer.

Answer: D — Epoxy or rubber-based specialty thermoplastic primer.

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