Oil based alkyd paint may also be used with an appropriate galvanized metal primer.
Oil based paint for metal roof.
After that you can move onto pressure washing and attending to any rusty spots.
Prepainted metallic surfaces can be treated almost like any other basic latex or oil painted surface.
Painted metal roofs come with a baked on factory finish and you can re coat these as well as paint bare metal roofing with acrylic latex paint.
You can also use oil based alkyd paint but.
Also oil based paint tends to go on a lot smoother than latex paint which can leave unattractive brush strokes even after it dries.
Once the primer coat has dried we recommend that you apply two coats of your oil based finish paint whether it s the met l clad or the glo enamel.
After the roof has dried simply apply the 449 met l clad primer using a brush roller or spray.
Although there are certain brands of latex paint available for use on exterior metal surfaces they don t tend to last as long as oil based paints.
A topcoat doesn t eliminate the need for a good primer the topcoat seals your paint but the primer makes the paint adhere properly.
Metal surfaces require specialized primer and paint for good paint adhesion.
Before painting you ll still need to do a little.
You ll need to start with large scrapers down to sanding tools and finally wire brushes.
Acrylic latex paint is a good choice for bare metal roofs and to go over old paint.
Oil based paint is the preferred choice.
Find oil based exterior paint at lowe s today.
Allow this product to dry for at least 24 hours.
If you re not sure what kind of roof you have ask a professional roofer to inspect it before you paint it.
However if you want to paint over prepainted metal you re in luck.