This Practice provides procedures for installing ceramic fiber refractory linings in fired heaters and other process equipment. Installation includes steel surface preparation and coating, ceramic fiber installation, and repair of ceramic fiber linings. Ceramic fiber refractories in this Practice include: a. Alkaline earth silicate fiber, b. Refractory ceramic fiber, and c. Polycrystalline wool. This Practice does not include installation procedures for mineral wool, fiberglass, or other non-refractory fiber insulation materials.