What is Galvalume?

Galvalume is a metal roofing product consisting of steel coil coated with a metal alloy consisting of 45% zinc and 55% aluminum. The combination of zinc and aluminum in Galvalume enhances both the positive and negative effects of aluminum. Galvalume has barrier corrosion resistance and heat resistance similar to aluminized material. Consequently, Galvalume will resist rust, the elements, and fire while providing a sturdy and protective covering.


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