Metal roofs however pre date the contemporary asphalt shingle roof by a couple of hundred years.
Paint badly peeling etal roof.
The same paint that peels in some spots will stick tenaciously for 40 to 50 years in other spots.
Peeling paint is rarely caused by bad paint.
Another mistake is to forget or ignore using a sealant before the application of the metal paint.
If you re up for the challenge.
Painting metal roofing provides you with a number of steps and decisions throughout the process.
Not using a sealant.
Long term testing has shown that 100 percent acrylic latex lasts longest.
These flakes of peeling paint will be very brittle and break easily which makes spotting oil based roof coatings fairly easy.
Latex paints are the industry standard for most exterior house painting and they continue to improve.
This could be a problem because without a sealant the metal paint might just peel off the metal.
If you are preparing to paint a rusted galvanized metal roof pay special attention to surface preparation or you will have a recurrence of rust and or flaking.
The types of metal roofs that are available today and those that were available during the 1800s and early 1900s have changed dramatically.
Painting a roof can be a difficult job that takes a long time so you should consider hiring professional painters to do the work.
Galvanized metal roofs are coated with a layer of zinc that inhibits rust.
Here s how to make sure you make the right calls while addin.
First a word about paint.
Unfortunately over time this coating can fail leading to minor rust outbreaks.
In fact i ve been told that thomas jefferson s home monticello still sports its original metal roof.
If the paint on your metal roof is starting to crack and peel or if you re tired of its color it might be time to paint your roof.
When that happens the paint film starts to sheer from the metal and peeling results.