A turbine component (100, 350) comprising: a component wall (110, 352) defining a component interior space; a sealing insert (150, 175, 200), including at least one insert wall (152, 176, 210, 308) defining and enclosing an insert interior space (154, 178, 212, 302) and being inserted into the component interior space to define a space (116, 118, 304) between the at least one insert wall and the component wall; at least one compressible seal (162, 164, 186, 188, 190, 230, 240, 300) installed in the turbine component (100, 350) between the at least one insert wall (152, 176, 210, 308) and the component wall (110, 352), the compressible seal (162, 164, 186, 188, 190, 230, 240, 300) being engaged with an interior surface of the component wall (110, 352), wherein the at least one compressible seal divides the space (116, 118) into a plurality of cooling compartments (166, 168, 192, 194, 196) and the plurality of cooling compartments each have at least one fluid inlet (170, 172, 197, 198, 199) and at least one fluid outlet (120, 122, 124, 126, 128, 130, 132) that are separate from each other cooling compartment, wherein the at least one insert wall (152, 176, 210, 308) defines a first configuration of impingement jets (170, 197) as first fluid inlets into a first compartment (166, 192) of the plurality of cooling compartments from the insert interior space (154, 178, 212, 302) and a second configuration of impingement jets (172, 199) as second fluid inlets into a second compartment (168, 196) of the plurality of cooling compartments from the insert interior space, and wherein first (120, 122, 124, 128) of the fluid outlets arranged in the component wall (110, 352) provide outlet paths for the first compartment (166, 192) and second of the fluid outlets provide outlet paths for the second compartment (168, 196), characterized in that the at least one compressible seal includes at least one spring wall (316, 318, 330) formed continuous with and protruding or extending from an outer surface (158, 160, 182, 184, 220, 222) of the insert wall (152, 176, 210, 308) and defining a seal interior space that is separate from the plurality of cooling compartments, and that the at least one insert wall includes at least one opening between the insert interior space and the seal interior space. a component wall (110, 352) defining a component interior space; a sealing insert (150, 175, 200), including at least one insert wall (152, 176, 210, 308) defining and enclosing an insert interior space (154, 178, 212, 302) and being inserted into the component interior space to define a space (116, 118, 304) between the at least one insert wall and the component wall; at least one compressible seal (162, 164, 186, 188, 190, 230, 240, 300) installed in the turbine component (100, 350) between the at least one insert wall (152, 176, 210, 308) and the component wall (110, 352), the compressible seal (162, 164, 186, 188, 190, 230, 240, 300) being engaged with an interior surface of the component wall (110, 352), wherein the at least one compressible seal divides the space (116, 118) into a plurality of cooling compartments (166, 168, 192, 194, 196) and the plurality of cooling compartments each have at least one fluid inlet (170, 172, 197, 198, 199) and at least one fluid outlet (120, 122, 124, 126, 128, 130, 132) that are separate from each other cooling compartment, wherein the at least one insert wall (152, 176, 210, 308) defines a first configuration of impingement jets (170, 197) as first fluid inlets into a first compartment (166, 192) of the plurality of cooling compartments from the insert interior space (154, 178, 212, 302) and a second configuration of impingement jets (172, 199) as second fluid inlets into a second compartment (168, 196) of the plurality of cooling compartments from the insert interior space, and wherein first (120, 122, 124, 128) of the fluid outlets arranged in the component wall (110, 352) provide outlet paths for the first compartment (166, 192) and second of the fluid outlets provide outlet paths for the second compartment (168, 196), characterized in that the at least one compressible seal includes at least one spring wall (316, 318, 330) formed continuous with and protruding or extending from an outer surface (158, 160, 182, 184, 220, 222) of the insert wall (152, 176, 210, 308) and defining a seal interior space that is separate from the plurality of cooling compartments, and that the at least one insert wall includes at least one opening between the insert interior space and the seal interior space.