PRANCE metalwork is a leading manufacturer of metal ceiling and facade systems.
Are aluminum open ceilings resistant to corrosion in humid climates?
Humidity and saline air in coastal Middle Eastern cities such as Abu Dhabi, Doha, and Muscat pose significant corrosion challenges for interior finishes. Aluminum open ceiling systems address these issues through surface treatments and alloy selection.
First, anodizing creates a dense aluminum oxide layer that bonds with the base metal, preventing moisture infiltration and pitting. Architectural anodized finishes meet AA20 and AA25 standards, providing long-term protection in Bahrain’s humid malls and offshore oil-rig facilities repurposed as training centers.
Second, powder coatings formulated for marine environments offer a thick, UV-resistant barrier. Polyester TGIC powder coats undergo salt-spray testing per ASTM B117, ensuring up to 2,000 hours of protection—ideal for coastal schools in Kuwait City. These coatings also provide color stability under intense sunlight.
Third, specifying marine-grade aluminum alloys such as 5xxx and 6xxx series enhances inherent corrosion resistance. In Jeddah’s waterfront hotels, alloy 6063 panels maintain smooth surfaces without white rust formation.
Panel edge caps, suspension wires, and suspension grid components are similarly treated or fabricated from stainless steel to eliminate galvanic corrosion. Routine maintenance—such as rinsing overhead with fresh water and inspecting fasteners every six months—keeps surfaces pristine.
By combining anodized finishes, robust powder coatings, and corrosion-resistant alloys, aluminum open ceilings deliver lasting performance in humid Middle Eastern climates—ensuring that Dubai’s conference halls and Abu Dhabi’s exhibition centers remain visually striking for decades.