Preparing Bare Sheet Metal For Paint

The first step is to clean off loose rust and flaking paint and then apply a rust inhibitive primer.

Preparing bare sheet metal for paint.

Remove loose and peeling paint. Toward the end of our last installment minor metalwork was completed and a single wet coat of ppg s dp90lf 90 denotes black epoxy primer was applied to surgically clean bare steel. With the rust removed sand the entire surface to smooth out uneven areas and dull the surface so the primer and paint can adhere. However badly rusted metal areas need more prep work and possibly a special primer.

You don t need to get down to bare shiny metal just clean off the flakes and powdery surface rust that prevent paint from adhering. If the old paint is in poor condition you can remove it by hand wire brushing sanding. If you re dealing with a lightly rusted surface you may just need to give it a quick scrub with a brush. To properly prepare new metal surfaces use mineral spirits to remove grease and apply a.

A paint scraper or metal putty knife may also do the trick. Scrape off peeling paint and powdery flaking rust until the surface is mostly smooth. Scrape off light loose rust with a wire brush. 5 important steps preparing metal for paint clean the surface.