Uv or sun exposure probably the biggest determining factor in how a metal roof or wall panel system will fade is based on the amount and strength of the uv exposure the panel gets for example a metal roof in texas is more susceptible to fading due to sun exposure than a metal roof in wisconsin.
My metal roof is fading.
It would be impossible to say a painted metal roof will look factory new for as long as it sits atop the structure but metal roofs hold their color quite well compared to many other roofing materials.
My metal roofing is fading after over 20 years.
I recommend power washing sandblasting then undercoating or priming before attempting to re paint in order to prevent peeling and separation.
Abc s premium paint system warranty guarantees paint will not fade in excess of five units in vertical applications and seven units for non vertical.
This is critical when comparing one painted metal roof or wall against another.
Home the metal roofing learning center metal roofing problems.
These coatings are directly related to how much resistance the metal has against roof fading especially those that augment the color.
Can i paint the metal roof without using the undercoating.
Factors affecting metal roof fading.
There many factors come into play where fading is concerned.
Metal roofs can be as much as two or three times more expensive than other roofing materials.
Faded dull metal roofs can look like new again when restored with everbrite protective coating and will be protected from sun salt air acid rain and other damaging elements.
It is unlikely that paint without undercoating will bond well to old metal.
While the life of a metal roof is much longer investing in a metal roof only makes sense if you plan to stay in your home long enough to enjoy the cost benefits.
One of these factors is the weather to which the roof will be subject.
Church roofs school roofs facades mansard roofs and other colored metal roofs are a major part of the image of the building.
7 common issues that could affect a metal roof knowing about the problems that could occur on a metal roof system will help prevent issues from the very start resulting in less time and money necessary for repairs.
Metal rooftops come with coatings that give them more color while helping to protect them from dirt and rust.