Residential Unpainted Galvalume Roof

The answer to the question isn t always an easy one.

Residential unpainted galvalume roof.

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. This saves even more money on the overall system. Sheet roofing can be installed painted or unpainted. A galvalume metal roof is durable and can outlast asphalt roofs by years.

Most galvalume metal roofs come with a 25 year warranty if the metal roofing manufacturer is using galvalume with a full az55 coating. 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. Post navigation metal and coatings are important. With this treatment galvalume must be oiled with either vanishing or slushing oil.

Unpainted galvalume can also be passivated with a chemical treatment. Despite the long warranty a galvalume metal roof when properly. Frequently asked questions about galvalume sheet roofing. Galvalume is a sheet steel.

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. Studies show that when used on a residential house that a galvalume metal roof will outlast a galvanized metal roof by almost double. Sides of galvalume steel sheet can be roll formed without lubricants and is delivered to the job site with an oil free surface. Although galvalume metal and galvanized metal sound alike they have quite a few different characteristics and qualities.

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. 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. Painted metal roof vs. We get this question a lot.

The more unpainted metal is exposed to the elements the more it will take on a life of its own. But the paintline and the people who run it will make the difference design the best. Sheet roofing can also give a historical look particularly if used unpainted. See our fact sheet on galvalume plus for more information.

With a quality paint finish such as kynar 500 both g 90 galvanized steel and galvalume steel should provide consistent rust free performance for. Painted metal roofs vs unpainted. 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. So what exactly is galvalume anyway.