Galvalume Vs Aluminum Roofing

This entry was posted in architects building homeowners contractors metal roofing standing seam metal roof panels and tagged galvalume metal coil metal roofs roofing coil snow guards standing seam metal roof on january 15 2013 by mitch gaber.

Galvalume vs aluminum roofing.

But the paintline and the people who run it will make the difference design the best. This coating acts as an excellent protection against corrosion. One roofing material that stands above the rest for high quality longevity and durability is galvalume. Manufacturers begin with a carbon steel base sheet that is then continuously hot dipped with aluminum and zinc alloys until it reaches a coating consisting of 55 aluminum 43 4 zinc and 1 6 silicone.

This superior roofing material also used as siding is actually sheets of steel coated with a composition of 45 zinc and 55 aluminum. Types of metal used in roofing. We install both steel and aluminum standing seam metal roofs so we frequently advise customers as to which material is best for them. Paint finish warranties are key to understanding the expected longevity of a galvanized or galvalume metal roof.

Though there are many types of steel roofing we only carry galvalume steel roofing. The one exception is when the coating is penetrated scratched or chipped by falling or blowing debris for example. Gulf coast goes a step further using an ultra fade resistant pvdf premium paint finish on products such as gulflok gulfseam versaloc and megaloc. Though you ll get more life out of a metal roof you ll pay the price at the time of installation.

Aluminum roofing comes with paint finishes as well and have their own warranties. Galvalume and galvanized steel roofing are affected differently by corrosion. Shingle roofs are cheaper up front. Galvalume roofing material combines three of the most important metals used in roofing today steel aluminum and zinc.

Aluminum has tremendous corrosion resistance so it will generally corrode more slowly than galvanized steel. Here s our breakdown on steel vs. Post navigation metal and coatings are important. Metal roofs generally can run from 120 to 900 per 100.

The big difference is that aluminum will oxidize chalk if exposed to the elements but the aluminum will not look unsightly and continue on with a.