Residential Unpainted Galvalume Roof

To illustrate the difference in performance between galvanized and galvalume steel let s consider how the two kinds of steel would perform in an uncoated unpainted steel roofing application.

Residential unpainted galvalume roof.

Lets dive in a little. See our fact sheet on galvalume plus for more information. 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. Galvalume is a sheet steel.

A galvalume metal roof is durable and can outlast asphalt roofs by years. This saves even more money on the overall system. The more unpainted metal is exposed to the elements the more it will take on a life of its own. The answer to the question isn t always an easy one.

Should i buy galvalume metal roofing or should i buy painted metal roofing. An estimated 80 billion square feet of galvalume sheet steel now covers buildings in all kinds of climates and environments throughout the united states canada and mexico as well as europe asia india and australia. Painted metal roof vs. Painted metal roofs vs unpainted.

Despite the long warranty a galvalume metal roof when properly. So what exactly is galvalume anyway. Most galvalume metal roofs come with a 25 year warranty if the metal roofing manufacturer is using galvalume with a full az55 coating. We get this question a lot.

Frequently asked questions about galvalume sheet roofing. But the paintline and the people who run it will make the difference design the best. Post navigation metal and coatings are important. With a quality paint finish such as kynar 500 both g 90 galvanized steel and galvalume steel should provide consistent rust free performance for.

Sides of galvalume steel sheet can be roll formed without lubricants and is delivered to the job site with an oil free surface. With this treatment galvalume must be oiled with either vanishing or slushing oil. Sheet roofing can be installed painted or unpainted. Studies show that when used on a residential house that a galvalume metal roof will outlast a galvanized metal roof by almost double.

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. Galvanized and galvalume steel roofing it is important to note that base metals can be combined coated or layered with additional metals in a variety of bonding processes. Because sheet roofing is often chosen as a more economical type of metal roofing the paints used on sheet metal roofing are often lesser quality. Unpainted galvalume can also be passivated with a chemical treatment.