What is the best type of aluminum strip for exterior use?

The best type of aluminum strip for exterior use is typically 3003-H14 alloy. This alloy is known for its excellent corrosion resistance, which is crucial for outdoor applications where the strip may be exposed to various weather conditions. It also offers good formability, making it easy to shape and bend for various construction and architectural purposes. Additionally, 3003-H14 aluminum strip has good weldability, which is beneficial for applications where joining is required. It is commonly used for roofing, siding, and other exterior applications due to its durability and weather-resistant properties.