Architectural aluminum parts are used as decorative and structural components of building construction. As a result, not only is it used to enhance the decorative effect of the building, but structurally the architectural aluminum provides enhanced corrosion resistance as well as extending its usage life. 6063 aluminum is often the first choice because it is weather resistant, meaning it won't corrode easily, is able to withstand both high and low temperatures and won't rust when wet.
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Extruded architectural aluminum is able to last for very long periods of time without much maintenance or upkeep and provides light gauge but highly sound support. Schools, hospitals, skyscrapers, homes, offices and storefronts all use architectural aluminum in their building construction, both internally and externally. Architectural aluminum is used in the manufacturing of many structural components, including window frames, railings, ceiling beams, decorative trim, window paneling, entrances, curtain wall systems, walkway covers, sunshades and doors. More specific applications of architectural aluminum included Intensive Care Unit sliding doors for the medical industry and Mall front sliding doors for the commercial industry.
The type of aluminum that is used in architectural applications is never pure aluminum, because it is much too soft. As a result, it is necessary to use aluminum alloys, or aluminum that has been combined with other metals in order to give it additional properties such as increased strength and hardness. The most common alloy used for architectural aluminum, 6063 aluminum is alloyed with the metallic elements of magnesium and iron in order to improve strength properties and can then be extruded into different shapes. These shapes are often welded together and put through post-forming treatments including anodizing and coating. Anodized aluminum provides the architectural metal with a protective surface coating of aluminum oxide by dipping it into a chemical bath. The coating will not ever peel off, as it is an actual part of the metal. PVDF coating is powder or liquid paint that provides a more temporary protective coating, as well as different surface colors and finishes to choose from. Corrugated architectural aluminum is a popular type of ribbed sheet used in building and structural applications, usually as siding and roofing.