In this video i ll go over and show you how i paint raw metal or bare steel products from jcroffroad.
Preparing bare sheet metal for 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.
Wash the metal thoroughly with a degreasing agent such as trisodium phosphate.
Inspect the surface for rusty areas and remove all rust down to the bare metal using tools appropriate to the extent of the rust.
By painting aluminum you can easily breathe new life into dull siding create unique metal art pieces for the home or resurface faded outdoor.
For more tips including how to prepare your galvanized steel before painting it read on.
For light rust and small areas use steel wool and 80 to 120 grit sandpaper.
Let your paint dry for 3 4 hours.
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.
However if you want to paint over prepainted metal you re in luck.
Don t forget to wear gloves eye protection and a respirator mask.
Prepainted metallic surfaces can be treated almost like any other basic latex or oil painted surface.
However badly rusted metal areas need more prep work and possibly a special primer.
When the paint is dry apply your second coat on top.
Metal surfaces require specialized primer and paint for good paint adhesion.
When preparing metal for paint checking for rust is important to make sure that the paint will adhere properly to the surface.
Before painting you ll still need to do a little.
To restore lightly rusted metal surfaces to their original state use a brush to clean off loose rust sand the area and apply a high quality rust inhibitive primer e g.
If possible avoid subjecting your steel to pressure heavy rain or significant changes in temperature for the first month after painting it to allow it to fully harden.
Rinse and let the metal dry.
To prep and paint metal you ll need shop rags acetone scuffing pad self etching primer and your choice of spray paint.