ISO 14886:2014 applies to the structural fire protection of large FRP yachts of 24 m in length and over, and carrying up to 12 passengers. ISO 14886:2014 is not applicable to vessels subject to SOLAS.By using the heat transfer Fourier Number, ISO 14886:2014 determines the equivalency of any proposed insulated FRP sandwich laminate to the model insulated sandwich laminate based on a fire tested insulated laminate approved in accordance with IMO FTP Code as a fire-resisting division.The method considers the relevant mechanical, thermal, and physical properties of the insulation and the FRP laminate.The technology of the elements of the insulation and FRP resistance to heat, smoke, and fire used in ISO 14886:2014 and the effectiveness of the insulation are applicable in general to insulated FRP as a fire-resistant material.