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.
With paint you can change the roof color without wasting money and time replacing a perfectly good roof.
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.
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.
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.
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.
Galvanized roofs require the use of a different paint than what is used on terne metal.
You can also use oil based alkyd paint but.
However you can also go with other colors such as red or even black as long as it s a cool roof rated color.
Whether your roof has been painted previously or not powerwash just before you start painting.
Don t worry about patches where the paint is in good shape as you can simply paint over those.
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 the color does come off you have an acrylic paint.
With the right supplies and the correct procedure you can paint your metal roof the color you like without spending a lot of money.
To prep metal for paint adhesion you must.
If you can t get peeling chips for some reason there is another way to tell if the roof has oil on it.
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.
Terne is best painted with an oil based paint.
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.