Aluminum helps prevent corrosion which is highly valuable for a roof that you want to last a long time.
Residential unpainted galvalume roof.
Most residential grade galvalume metal roofing products like galvanized steel are coated with kynar 500 or hylar 5000 paint finishes.
With over 55 years of experience metal sales is the nation s largest manufacturer of metal roofing wall and building systems.
Galvalume metal roof and siding panels are coated with a mixture of zinc and aluminum and siliconized coating to help resist scuffs and fingerprints better than a bare metal product.
Overall galvalume is suitable as a roof wall trim accent and more in most building applications in some of the most extreme environments including hurricane zones locations with high rain or snowfall high temperature regions and more.
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.
Galvalume has an excellent performance lifespan in bare exposures unpainted panels as well.
The mixture of zinc and aluminum protects the galvalume metal against corrosion and rust helping galvalume typically last much longer than galvanized steel.
Is the worldwide licensor of the technology and know how associated with 55 aluminum zinc alloy coated sheet steel better known as galvalume.
With this treatment galvalume must be oiled with either vanishing or slushing oil.
Galvanized and galvalume steel roofing it is important to note that base metals can be combined coated or layered with additional metals in a variety of bonding processes.
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For nonresidential roofing bare or unpainted galvalume sheet is used for low slope concealed fastener standing seam roofs ssr as a replacement for nonmetallic built up rubber and ballasted nonmetallic roofs and for steeper slope screw down roofs with exposed fasteners.
Galvalume is a sheet steel product covered with an aluminum zinc coating.
Unpainted galvalume can also be passivated with a chemical treatment.
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