Metal cladding offers significant advantages compared to traditional roofing materials (asphalt, tile, cement). In addition to tolerating other materials, metal roof systems are affordable and aesthetically pleasing for both residential and commercial buildings. The most attractive feature is that the metal ceiling is available in a variety of colors and it is very important to choose the right one. Metal Slate Roofing.
Most homeowners have the impression that the metallic paint on the roof is fading and peeling, but they do not care enough about the dangers of peeling the paint off. We want to help you learn about the different properties of paint, especially in terms of foaming and fading.
What is a faded metal roof?
If you use a metal shingle roof, you will gradually notice that the color of the roof has become lighter!
The paint fades when factors such as humidity, pollutants and chemicals in the atmosphere and environment interact with the paint. This change usually changes color to white. Plus, the paint on the foil does not fade evenly, but each piece is extremely fast.
Regardless of the type of pigment or resin, the color will not always be in the external environment. But there are ways to extend the life of a ceiling color, starting with understanding the fading factors, the type of resin and the degree of fading.
Factors affecting the fading of the metal roof
Exposure to ultraviolet rays or the sun - Metal surfaces or sides may fade due to exposure to ultraviolet rays. The degree of fading is related to the intensity and time of exposure to UV rays.
Temperature - While any temperature can cause fading, heat or extreme cold can speed up the process. And frequent alternation of heat and cold will accelerate fading.
Humidity - Humidity is everywhere, whether it is rainy, snowy, or dry. Resin can protect the pigment, but the protective effect is quickly lost under constant contact with water. Acid rain or harmful chemicals in the environment can affect fading.
Note: Many roof contractors offer warranties that do not cover metal roofs within a certain distance from beaches, swamps, or coves.
Pigment - paint on metal comes in two types:
Organic - Natural dyes composed of petroleum and carbon compounds are more prone to fading. Organic pigments produce the brightest and most vivid colors.
Inorganic (ceramic) - pigments composed of mineral compounds. It is more resistant to fading than organic dyes.
Resin - Premium is a common material used to protect pigments and increase durability. Resins can also combine more cladding systems with metal substrates, such as stone-clad steel roofs.
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