By replacing the galvanizing process in metal roofs galvalume allows for a better more effective protective layer that eliminates the potential for corrosion.
Galavinis medal roofing.
Also avoid using copper and some brass fasteners with aluminum zinc and most ferrous metal.
Avoid using treated lumber or cables that have copper wiring instead of aluminum.
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Most residential grade galvalume metal roofing products like galvanized steel are coated with kynar 500 or hylar 5000 paint finishes.
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.
The first is copper.
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.
Copper is another metal that does not react well with galvanized metal panels used in many metal roofing systems.
Galvalume has an excellent performance lifespan in bare exposures unpainted panels as well.
Corrugated ribs give this metal roofing panel strength and structural integrity.
This is known as a galvanized metal.
The primary metals of concern in terms of galvanic corrosion contact with copper are aluminum and zinc.
Iron or steel can be coated with zinc.
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Classic rib steel roof panel in charcoal.
Corrugated galvanized steel utility gauge roof panel model 13513 12 28 12 28.
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.
You should consider getting steel panels with a zinc aluminum or galvalume coating.
According to roofing experts there are three kinds of metals that can kick start galvanic corrosion.
Don t use treated lumber which has copper in it.
Large differences in the thermal expansion rate between copper and these metals may cause additional problems.
Some specifics to keep in mind.