Metal Roof Innovations Central

Galvanized vs Galvalume®

Posted by Kimberly Reichert on Jul 31, 2019 3:42:51 PM

What is Galvanized Steel?


Carbon steel is inherently susceptible to corrosion, which means it must be protected by some other metallic coating that is less corrosive. Carbon steel sheet is called “galvanized” when coated with a thin layer of pure zinc.

This coating provides two types of corrosion protection for the steel: “barrier protection” (sealing the surface from air and water) and “sacrificial protection” or “galvanic” protection—especially at scratches and cut edges.

This is an electrolytic process whereby the base metal is protected, but at the expense of the coating. The zinc “sacrifices” itself to protect the underlying layer of steel. 

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Tags: metal roofs, roof panels, corrosion, aluminum, durability, metal panel, rust, gavalume, galvanized

Metal Roof vs Asphalt Shingles Comparison: 9 Tips for Choosing - 2019

Posted by Kimberly Reichert on Mar 18, 2019 11:59:16 AM

Pop quiz. Should you install a metal roof or asphalt shingles? Asphalt shingle roofs are everywhere. But metal roofs have been in use for almost three thousand years. They have come a long way from the simple, yet functional corrugated or standing seam metal roof design usually associated with barns or sheds. So, which is the best choice for you? To answer this, let’s take a deeper look under the hood, or the roof, as it may be.

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Tags: standing seam metal roof, exposed fastener, rail mounted, solar PV, solar technology, rooftop equipment, non-penetrating, manufacturing, maintenance, green, asphalt shingles, recycling, durability, environment

   

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