A fan section for a gas turbine engine comprising: a fan case configured to surround a fan, wherein the fan case includes at least one mount interface; a hot engine component configured to be attached to the mount interface; and a thermal barrier seal to attach the hot engine component to the fan case via the mount interface, characterized in that the thermal barrier seal comprises: a spine comprising a flat elongated bar having a first surface and a second surface facing opposite the first surface, and the elongated bar having a first attachment feature comprising a first washer that is integrally formed at a first end of the elongated bar and a second attachment feature comprising a second washer that is integrally formed at a second end of the elongated bar, wherein the first and second attachment features (68, 70) define attachment points used to attach the hot engine component to the mount interface; a first layer of insulation provided on the first surface; a second layer of insulation provided on the second surface; a third layer of insulation material provided over the first layer of insulation; a fourth layer of insulation material provided over the second layer of insulation, wherein the third and fourth layers of insulation material (98, 100) comprise a silicone impregnated cloth that is wrapped around the spine and the first and second layers of insulation (94, 96) such that outwardly facing edges of the spine and the first and second layers of insulation are covered by the silicone impregnated cloth to provide a thermal barrier at the mount interface between the hot engine component and the fan case; and wherein the spine has a first thickness extending between the first and second surfaces, the first and second layers each have a second thickness, and the third and fourth layers each have a third thickness, and wherein the second thickness is at least two times the third thickness. a fan case configured to surround a fan, wherein the fan case includes at least one mount interface; a hot engine component configured to be attached to the mount interface; and a thermal barrier seal to attach the hot engine component to the fan case via the mount interface, characterized in that the thermal barrier seal comprises: a spine comprising a flat elongated bar having a first surface and a second surface facing opposite the first surface, and the elongated bar having a first attachment feature comprising a first washer that is integrally formed at a first end of the elongated bar and a second attachment feature comprising a second washer that is integrally formed at a second end of the elongated bar, wherein the first and second attachment features (68, 70) define attachment points used to attach the hot engine component to the mount interface; a first layer of insulation provided on the first surface; a second layer of insulation provided on the second surface; a third layer of insulation material provided over the first layer of insulation; a fourth layer of insulation material provided over the second layer of insulation, wherein the third and fourth layers of insulation material (98, 100) comprise a silicone impregnated cloth that is wrapped around the spine and the first and second layers of insulation (94, 96) such that outwardly facing edges of the spine and the first and second layers of insulation are covered by the silicone impregnated cloth to provide a thermal barrier at the mount interface between the hot engine component and the fan case; and wherein the spine has a first thickness extending between the first and second surfaces, the first and second layers each have a second thickness, and the third and fourth layers each have a third thickness, and wherein the second thickness is at least two times the third thickness. a spine comprising a flat elongated bar having a first surface and a second surface facing opposite the first surface, and the elongated bar having a first attachment feature comprising a first washer that is integrally formed at a first end of the elongated bar and a second attachment feature comprising a second washer that is integrally formed at a second end of the elongated bar, wherein the first and second attachment features (68, 70) define attachment points used to attach the hot engine component to the mount interface; a first layer of insulation provided on the first surface; a second layer of insulation provided on the second surface; a third layer of insulation material provided over the first layer of insulation; a fourth layer of insulation material provided over the second layer of insulation, wherein the third and fourth layers of insulation material (98, 100) comprise a silicone impregnated cloth that is wrapped around the spine and the first and second layers of insulation (94, 96) such that outwardly facing edges of the spine and the first and second layers of insulation are covered by the silicone impregnated cloth to provide a thermal barrier at the mount interface between the hot engine component and the fan case; and wherein the spine has a first thickness extending between the first and second surfaces, the first and second layers each have a second thickness, and the third and fourth layers each have a third thickness, and wherein the second thickness is at least two times the third thickness.