A sealed and thermal insulating tank integrated into a bearing structure, the bearing structure consisting of a double wall, the tank comprising: a thermal insulating barrier made integral with the bearing structure, a secondary sealing barrier located in the thermal insulating barrier, and a primary sealing barrier standing on the thermal insulating barrier, wherein the thermal insulating barrier comprises a secondary thermal insulating barrier on top of which is the secondary sealing barrier and a primary thermal insulating barrier arranged on the secondary sealing barrier, the secondary sealing barrier being comprised of ferrules or metal plates, the primary sealing barrier being comprised of ferrules or metal plates resting on the primary thermal insulating barrier, each of the primary thermal insulating barrier and secondary thermal insulating barrier being built as modules arranged in juxtaposition, a module of the secondary thermal insulating barrier being a rectangular parallelepiped in shape and comprising a first panel of plywood on top of which is a first coat of thermal insulation, a module of the primary thermal insulating barrier being a rectangular parallelepiped in shape, wherein the module of the primary thermal insulating barrier comprises a second coat of thermal insulation and a damping device, wherein the second coat of thermal insulation bears the damping device consisting of a sandwich structure on which the primary sealing barrier stands, the sandwich structure comprising a first wall consisting of plywood or a composite material, a second wall consisting of plywood, characterized in that the sandwich structure further comprises a layer of damping material arranged between the first wall and the second wall, wherein the layer of damping material is made of felt or a material based on woven fibers or bonded fibers. a thermal insulating barrier made integral with the bearing structure, a secondary sealing barrier located in the thermal insulating barrier, and a primary sealing barrier standing on the thermal insulating barrier, wherein the thermal insulating barrier comprises a secondary thermal insulating barrier on top of which is the secondary sealing barrier and a primary thermal insulating barrier arranged on the secondary sealing barrier, the secondary sealing barrier being comprised of ferrules or metal plates, the primary sealing barrier being comprised of ferrules or metal plates resting on the primary thermal insulating barrier, each of the primary thermal insulating barrier and secondary thermal insulating barrier being built as modules arranged in juxtaposition, a module of the secondary thermal insulating barrier being a rectangular parallelepiped in shape and comprising a first panel of plywood on top of which is a first coat of thermal insulation, a module of the primary thermal insulating barrier being a rectangular parallelepiped in shape, wherein the module of the primary thermal insulating barrier comprises a second coat of thermal insulation and a damping device, wherein the second coat of thermal insulation bears the damping device consisting of a sandwich structure on which the primary sealing barrier stands, the sandwich structure comprising a first wall consisting of plywood or a composite material, a second wall consisting of plywood, characterized in that the sandwich structure further comprises a layer of damping material arranged between the first wall and the second wall, wherein the layer of damping material is made of felt or a material based on woven fibers or bonded fibers.