Unpainted Galvalume Metal Roof

Both finishes create stunning looks reinforce metal s strength and add to its longevity.

Unpainted galvalume metal roof.

Galvalume roofing material combines three of the most important metals used in roofing today steel aluminum and zinc. Copper zinc stainless steel galvalume or any other unpainted metal roofing material all have their appeal. For unpainted applications bare galvalume plus is available. Galvalume is a sheet steel product covered with an aluminum zinc coating.

The reason aluminum was chosen as the one of the metals to coat the steel was. Which bring us to the next metal that helps coat the steel zinc. Unpainted galvalume can. If you want to paint a galvalume surface consider a crucial point.

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. See our fact sheet on galvalume plus for more information. Galvalume will reject paint unless it is properly treated. Galvalume is a type of sheet steel used in a variety of applications including roofing siding furniture gutters and pipe.

The more unpainted metal is exposed to the elements the more it will take on a life of its own. Although galvalume metal and galvanized metal sound alike they have quite a few different characteristics and qualities. A galvalume metal roof is durable and can outlast asphalt roofs by years. Most residential grade galvalume metal roofing products like galvanized steel are coated with kynar 500 or hylar 5000 paint finishes.

Treat the sheet steel with an etching primer or flaking will result. 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. 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. Barrett roofing photo those who have chosen to fashion and install unpainted metal roofing as their craft respect the material of choice because installed correctly it provides a unique look and low maintenance long lasting peace of mind.

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. Aluminum helps prevent corrosion which is highly valuable for a roof that you want to last a long time. These metals are both.