To paint a metal roof you ll need to use an oil based paint if you have a terne metal roof or an acrylic based paint if you have a galvanized metal roof.
Oil based paint for metal roof.
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.
Before painting you ll still need to do a little.
You can also use oil based alkyd paint but.
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.
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.
After that you can move onto pressure washing and attending to any rusty spots.
However if you want to paint over prepainted metal you re in luck.
If your roof just has one previous coat of oil based paint then you should be able to get most of it removed through some hard work provided you have the proper tools.
Metal surfaces require specialized primer and paint for good paint adhesion.
Find oil based exterior paint at lowe s today.
Acrylic latex paint is a good choice for bare metal roofs and to go over old paint.
You ll also need to purchase a primer designed for metal roofs.
Also oil based paint tends to go on a lot smoother than latex paint which can leave unattractive brush strokes even after it dries.
A topcoat doesn t eliminate the need for a good primer the topcoat seals your paint but the primer makes the paint adhere properly.
After the roof has dried simply apply the 449 met l clad primer using a brush roller or spray.
Oil based alkyd paint may also be used with an appropriate galvanized metal primer.
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.