Unpainted Galvalume Metal Roof

Which bring us to the next metal that helps coat the steel zinc.

Unpainted galvalume metal roof.

Galvalume roofing material combines three of the most important metals used in roofing today steel aluminum and zinc. These metals are both. Spangle and gentle sheen of unpainted galvalume offers a very attractive appearance. 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.

It will age naturally creating a unique one of a kind metal. Galvanized metal roofs shed more easily than shingles or tiles and this makes them useful in places where leaf acorn and pine and redwood needle buildup is a problem. 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.

Galvalume is a sheet steel product covered with an aluminum zinc coating. Product characteristics proven superior corrosion resistance galvalume steel sheet can be expected to provide at least twice the service life of traditional zinc coatings of similar coating thickness under the same exposure conditions. Most residential grade galvalume metal roofing products like galvanized steel are coated with kynar 500 or hylar 5000 paint finishes. 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.

Aluminum helps prevent corrosion which is highly valuable for a roof that you want to last a long time. 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. Both finishes create stunning looks reinforce metal s strength and add to its longevity. Metal roofs do not need.

A galvalume metal roof is durable and can outlast asphalt roofs by years. 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. The reason aluminum was chosen as the one of the metals to coat the steel was. The more unpainted metal is exposed to the elements the more it will take on a life of its own.