Yes, aluminum strips can be used for both indoor flooring and wall cladding. They are lightweight, durable, and resistant to corrosion, making them suitable for various interior applications. Aluminum strips are also easy to install and maintain, and they can provide a modern, sleek look to any space. However, it's important to consider the specific requirements of your project, such as load-bearing capacity, thermal insulation, and aesthetic preferences, to ensure that aluminum strips are the right choice for your needs.