Painting Bare Metal Without Primer

Without the use of a primer in many cases oxidation will begin leading to rust and the eventual decay of the metal.

Painting bare metal without primer.

Use a brush roller or spray can depending on your preference or the size and shape of the metal object. You can get away with spot priming if only a few areas are down to bare metal if you re going over old paint you just need to clean it and sand lightly before painting though without a primer you may experience paint incompatibility in a few cases. The results show whether a paint hides well enough to not require a primer and also how well it stands up to wear and tear. If you re painting bare metal you need a primer one speced for metal even if the paint claims you don t.

One of our favorites is duration by sherwin williams. The paint should adhere to the prepainted metal surface. Acrylic latex provides the best coverage on prepainted surfaces. In many cases all you ll need to do is spot prime any bare areas that need to be addressed before applying your finish.

This includes bare plastic. Most projects where you re going over a previously painted surface do not require the use of a primer. And considering what percentage of minor damage happens to bumpers and the fact that most bumpers today are plastic you can skip the primer step without much worry at all. In addition the chemical makeup of paint is less binding than primer meaning it will flake off easier without a primer underneath it.

Follow the manufacturer s instructions on the side of the can for best results. For the coverage test we apply one consistent coat to cardstock that. A cordless drill with a wire brush attachment is also an option and a good one if you are stripping away paint from a large surface area. A combination approach is best stripping large surfaces will go much faster with a wire brush and then use the sandpaper to get in the nooks and crannies.

Another time you don t need primer is when bare metal is not exposed at all.