Residential Unpainted Galvalume Roof

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Residential unpainted galvalume roof. 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 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. With this treatment galvalume must be oiled with either vanishing or slushing oil. Aluminum helps prevent corrosion which is highly valuable for a roof that you want to last a long time.

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. A measure of the success of this program is the fact that virtually all of the major steel companies worldwide have become licensees of biec. Is the worldwide licensor of the technology and know how associated with 55 aluminum zinc alloy coated sheet steel better known as galvalume. Some common uses for galvalume include.

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. With over 55 years of experience metal sales is the nation s largest manufacturer of metal roofing wall and building systems. Most residential grade galvalume metal roofing products like galvanized steel are coated with kynar 500 or hylar 5000 paint finishes.

The reason aluminum was chosen as the one of the metals to coat the steel was. 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. Two popular roofing materials that use this process of binding two or more dissimilar metals are referred to as galvanized and galvalume each of which use steel as the. Unpainted galvalume can also be passivated with a chemical treatment.