Yes, ceramic fiber products can be used in residential and commercial buildings. They are often utilized for insulation purposes due to their high temperature resistance, thermal insulation, and acoustic properties. These fibers are commonly used in fireproofing, thermal insulation in walls and roofs, and as a component in certain types of flooring and ceiling systems. However, it's important to follow safety guidelines and regulations regarding the handling and installation of ceramic fiber products, as they can pose health risks if not managed properly, especially in terms of inhalation of fibers.