Sealed and thermally insulating tank having inter-panel insulating inserts

A sealed and thermally insulating tank wall comprising a thermal insulating barrier defining a planar support surface and a sealing membrane resting on said planar support surface of the thermally insulating barrier,

• the thermally insulating barrier comprising a plurality of insulating panels juxtaposed in a regular pattern, mutually facing lateral faces of two adjacent insulating panels jointly delimiting an inter-panel space separating said two adjacent insulating panels,
• the tank wall further comprising an insulating insert arranged in the inter-panel space so as to fill said inter-panel space, said insulating insert comprising an insulating core at least partially covered by a wrapper,
• at least a central portion of said insulating core comprising layered glass wool, said layered glass wool comprising laps of fibers superposed in a direction of layering, the insulating insert being arranged in the inter-panel space in such a way that the direction of layering of said central portion is parallel to a width wise direction of the inter-panel space.