Metal roofs do not need.
Unpainted galvalume metal roof.
Aluminum helps prevent corrosion which is highly valuable for a roof that you want to last a long time.
A galvalume metal roof is durable and can outlast asphalt roofs by years.
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.
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.
Which bring us to the next metal that helps coat the steel zinc.
Most residential grade galvalume metal roofing products like galvanized steel are coated with kynar 500 or hylar 5000 paint finishes.
Both finishes create stunning looks reinforce metal s strength and add to its longevity.
This has been proven by actual.
Galvalume has an excellent performance lifespan in bare exposures unpainted panels as well.
Although galvalume metal and galvanized metal sound alike they have quite a few different characteristics and qualities.
The reason aluminum was chosen as the one of the metals to coat the steel was.
Copper zinc stainless steel galvalume or any other unpainted metal roofing material all have their appeal.
These metals are both.
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.
Spangle and gentle sheen of unpainted galvalume offers a very attractive appearance.
Galvalume roofing material combines three of the most important metals used in roofing today steel aluminum and zinc.
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.
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.
The more unpainted metal is exposed to the elements the more it will take on a life of its own.
It will age naturally creating a unique one of a kind metal.