How does primer work? Is it the first coat before the top coat is applied? What happens if you skip the primer for say a vehicle?

2 Answers

  • It provides a cover coat in a neutral color, so that if you are painting a blue car red, you get red and not something purply

  • The primer seals porous surfaces and sticks the paint on.  If you're painting on bare metal, you need primer or the top coat will eventually peel off.

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