To maintain the roof s integrity and condition you must protect the metal with a layer of paint.
Can a metal roof be painted.
Try to achieve a slightly abraded texturized finish as this helps your new paint bond with the roof finish.
Its likely the color variance will tone down over time.
Atmospheric dirt will help mute the difference as well.
If you paint the roof you should paint both sections.
Some historical homes have terne metal roofs and these need to be painted with oil based paint.
Sand the entire metal roof surface very lightly with your wire brush or sandpaper.
This roofing material has a typical lifespan of 20 100 years if taken care of properly.
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.
Metal can be painted and coated over and the darker the color the more of the suns radiant energy it will absorb i e.
Galvanized metal roofs are usually painted with acrylic based paint.
You can also use oil based alkyd paint but.
Acrylic latex paint is a good choice for bare metal roofs and to go over old paint.
Oil based alkyd paint may also be used with an appropriate galvanized metal primer.
Find either oil based or acrylic based paint at your local home improvement store.