Painting Bare Metal Without Primer

The paint should adhere to the prepainted metal surface.

Painting bare metal without 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. Another time you don t need primer is when bare metal is not exposed at all. If you re painting bare metal you need a primer one speced for metal even if the paint claims you don t. Apply latex paint to the surface.

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

In many cases all you ll need to do is spot prime any bare areas that need to be addressed before applying your finish. Most projects where you re going over a previously painted surface do not require the use of a primer. In addition the chemical makeup of paint is less binding than primer meaning it will flake off easier without a primer underneath it. Self etching primer is ideal for painting metal and creates the foundation needed to bond with the paint.

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. Continue reading below our video of the day. Acrylic latex provides the best coverage on prepainted surfaces. 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.

For the coverage test we apply one consistent coat to cardstock that.