Unpainted Galvalume Metal Roof

Copper zinc stainless steel galvalume or any other unpainted metal roofing material all have their appeal.

Unpainted galvalume metal roof.

Galvalume will reject paint unless it is properly treated. Treat the sheet steel with an etching primer or flaking will result. These metals are both. 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.

See our fact sheet on galvalume plus for more information. Galvalume is a type of sheet steel used in a variety of applications including roofing siding furniture gutters and pipe. Galvalume roofing material combines three of the most important metals used in roofing today steel aluminum and zinc. A galvalume metal roof is durable and can outlast asphalt roofs by years.

It will age naturally creating a unique one of a kind metal. Both finishes create stunning looks reinforce metal s strength and add to its longevity. The more unpainted metal is exposed to the elements the more it will take on a life of its own. The reason aluminum was chosen as the one of the metals to coat the steel was.

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. Galvalume is a sheet steel product covered with an aluminum zinc coating. Which bring us to the next metal that helps coat the steel zinc.

If you want to paint a galvalume surface consider a crucial point. 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. Although galvalume metal and galvanized metal sound alike they have quite a few different characteristics and qualities. Unpainted galvalume can.

Most residential grade galvalume metal roofing products like galvanized steel are coated with kynar 500 or hylar 5000 paint finishes. Galvalume has an excellent performance lifespan in bare exposures unpainted panels as well. 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.