Most residential grade galvalume metal roofing products like galvanized steel are coated with kynar 500 or hylar 5000 paint finishes.
Galavinis medal roofing.
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Built for beauty durability and value the metal built for beauty durability and value the metal sales classic rib is a hard working roof panel that performs in all seasons.
Corrugated galvanized steel utility gauge roof panel model 13513 12 28 12 28.
Iron or steel can be coated with zinc.
Large differences in the thermal expansion rate between copper and these metals may cause additional problems.
Some specifics to keep in mind.
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This is known as a galvanized metal.
Copper is another metal that does not react well with galvanized metal panels used in many metal roofing systems.
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Contact between copper parts and metal roofing can greatly increase the likelihood of corrosion.
You should consider getting steel panels with a zinc aluminum or galvalume coating.
Two popular roofing materials that use this process of binding two or more dissimilar metals are referred to as galvanized and galvalume each of which use steel as the base metal.
Avoid using treated lumber or cables that have copper wiring instead of aluminum.
Galvalume has an excellent performance lifespan in bare exposures unpainted panels as well.
Corrugated ribs give this metal roofing panel strength and structural integrity.
By replacing the galvanizing process in metal roofs galvalume allows for a better more effective protective layer that eliminates the potential for corrosion.
Avoiding galvanized corrosion starts with your choice of metal roofing.
The first is copper.
Don t use treated lumber which has copper in it.
Classic rib steel roof panel in charcoal.
Copper is a metal that doesn t react well with galvanized metal panels it s important that you keep the contact between them to a minimum.
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The zinc acts as a protective layer to iron or steel to prevent rust.