To help the primer and paint adhere to the roof better try lightly scuffing the surface of the metal.
Can you paint a metal roof a different color.
Terne metal roofs are extremely long lasting but because they look very similar to galvanized metal a person can unknowingly invite problems if they use the wrong paint.
If you want to paint a new metal roof though you can prepare it by washing with a weak acid such as diluted vinegar to remove oils and residue first.
You will need to pay attention to the specific chemicals that are in the top coat if you want the paint to last for as long as possible.
You can also use oil based alkyd paint but.
Due to its slick smooth surface metal can be challenging to paint and that can you ve got sitting around in the garage probably won t cut 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.
It has excellent adhesion to various types of roofing materials and is tintable to match a variety of custom colors.
Paint also works well when you need to even out your roof color such as when the shingles on your newly built addition don t quite match the shade of the rest of the roof.
Finish flat best for use in new or old unglazed tile masonry shingle anchored gravel aluminum metal materials composite sheet asphalt shingles concrete or cement block urethane foam slate or wood shake roofs.
However you can also go with other colors such as red or even black as long as it s a cool roof rated color.
To prep metal for paint adhesion you must.
With the right supplies and the correct procedure you can paint your metal roof the color you like without spending a lot of money.
Whether your roof has been painted previously or not powerwash just before you start painting.
You should go with a lighter color metal roof such as lighter shades of green silver or off white if you want to attain maximum energy efficiency and keep your home as cool as possible during summer.
Don t worry about patches where the paint is in good shape as you can simply paint over those.
For instance if you re painting a smaller roof you might use 80 120 grit sandpaper or a wire brush.