Unpainted Galvalume Metal Roof

The reason aluminum was chosen as the one of the metals to coat the steel was.
Unpainted galvalume metal roof. Galvalume plus has a clear organic resin coating applied to both sides of galvalume steel sheet can be roll formed without lubricants and is delivered to the job site with an oil free surface. Both finishes create stunning looks reinforce metal s strength and add to its longevity. Galvalume will reject paint unless it is properly treated. Aluminum helps prevent corrosion which is highly valuable for a roof that you want to last a long time.
These metals are both. The more unpainted metal is exposed to the elements the more it will take on a life of its own. Copper zinc stainless steel galvalume or any other unpainted metal roofing material all have their appeal. It is a trademarked name but many people use it as a generic term to describe a metal roofing product consisting of steel coil coated with a metal alloy.
Unpainted galvalume can. A galvalume metal roof is durable and can outlast asphalt roofs by years. Galvalume has an excellent performance lifespan in bare exposures unpainted panels as well. It will age naturally creating a unique one of a kind metal.
That alloy is 45 zinc and 55 aluminum and looks similar to galvanized steel but the visible crystals are smaller and close together giving it a smoother appearance. 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. For unpainted applications bare galvalume plus is available. If you want to paint a galvalume surface consider a crucial point.
Which bring us to the next metal that helps coat the steel zinc. Galvalume is a sheet steel product covered with an aluminum zinc coating. Abc s hot dipped aluminum zinc alloy coated galvalume sheet steel sold for use as unpainted steel building roofing and siding panels if erected within the united states will not rupture fail structurally or perforate due to corrosion within a period of 20 years from date of shipment due to exposure to normal atmospheric conditions. Galvalume roofing material combines three of the most important metals used in roofing today steel aluminum and zinc.
Most residential grade galvalume metal roofing products like galvanized steel are coated with kynar 500 or hylar 5000 paint finishes. Galvalume is a type of sheet steel used in a variety of applications including roofing siding furniture gutters and pipe. See our fact sheet on galvalume plus for more information.