Yes, ceramic fiber insulation can be used in commercial buildings. It is known for its high temperature resistance, thermal insulation, and acoustic properties, making it suitable for various applications within commercial structures. However, it is crucial to follow safety guidelines and regulations regarding handling and installation, as ceramic fibers can pose health risks if not managed properly. It's also important to consider the specific requirements of the building and the environment in which the insulation will be used to ensure it meets all necessary standards.