A sealed and thermally insulating tank which is integrated in a carrier structure in order to contain a fluid, wherein a tank wall comprises from the outer side of the tank to the inner side of the tank: a carrier wall, a secondary thermal insulation barrier which is retained on the carrier wall, the thermal insulation barrier being constituted by a plurality of secondary thermally insulating elements which are juxtaposed so as to form a secondary support surface, a primary thermal insulation barrier which is retained on the secondary thermal insulation barrier, the primary thermal insulation barrier being constituted by a plurality of primary thermally insulating elements which are juxtaposed in order to form a primary support surface, a sealing barrier which is in abutment with the primary support surface, each primary thermally insulating element and each secondary thermally insulating element comprising: a thermally insulating lining, a plurality of carrier elements (20, 28, 37, 40, 140) which extend through the thermally insulating lining perpendicularly to the tank wall, and a panel (17, 34, 122) which is parallel with the tank wall and which is arranged at an end of the carrier elements of the thermally insulating element in order to form an outer wall of the thermally insulating element, wherein at least one from the panel of the primary thermally insulating element and the panel of the secondary thermally insulating element is arranged between the carrier elements of the primary insulation barrier and the carrier elements of the secondary insulation barrier, tank in which in a view projected in a plane parallel with the tank wall, at least one carrier element (20, 28, 40) from the plurality of carrier elements of the primary thermally insulating element is spaced apart relative to the subjacent carrier elements (20, 37, 140) of the secondary thermally insulating element, characterized in that in the tank the at least one carrier element from the plurality of carrier elements of the primary thermally insulating element is not superimposed on the subjacent carrier elements of the secondary thermally insulating element. a carrier wall, a secondary thermal insulation barrier which is retained on the carrier wall, the thermal insulation barrier being constituted by a plurality of secondary thermally insulating elements which are juxtaposed so as to form a secondary support surface, a primary thermal insulation barrier which is retained on the secondary thermal insulation barrier, the primary thermal insulation barrier being constituted by a plurality of primary thermally insulating elements which are juxtaposed in order to form a primary support surface, a sealing barrier which is in abutment with the primary support surface, each primary thermally insulating element and each secondary thermally insulating element comprising: a thermally insulating lining, a plurality of carrier elements (20, 28, 37, 40, 140) which extend through the thermally insulating lining perpendicularly to the tank wall, and a panel (17, 34, 122) which is parallel with the tank wall and which is arranged at an end of the carrier elements of the thermally insulating element in order to form an outer wall of the thermally insulating element, wherein at least one from the panel of the primary thermally insulating element and the panel of the secondary thermally insulating element is arranged between the carrier elements of the primary insulation barrier and the carrier elements of the secondary insulation barrier, a thermally insulating lining, a plurality of carrier elements (20, 28, 37, 40, 140) which extend through the thermally insulating lining perpendicularly to the tank wall, and a panel (17, 34, 122) which is parallel with the tank wall and which is arranged at an end of the carrier elements of the thermally insulating element in order to form an outer wall of the thermally insulating element, wherein at least one from the panel of the primary thermally insulating element and the panel of the secondary thermally insulating element is arranged between the carrier elements of the primary insulation barrier and the carrier elements of the secondary insulation barrier,