Yes, aluminum strips can be used for exterior wall cladding. They are lightweight, durable, and resistant to weather and corrosion, making them suitable for exterior applications. Aluminum strips can also be painted or coated to match various architectural styles and can be easily installed. However, it's important to ensure that the aluminum is of high quality and properly installed to prevent issues like water infiltration or structural damage. Always consult with a professional to determine if aluminum strips are the best choice for your specific project.