The invention relates to a shielding wall (12) with a puncture-resistant shield for a container (1), said wall (12) comprising support means (20) as well as the following respective stacked elements (24, 26, 28, 30, 32): an outer plate (24); a first dampening layer (26); an intermediate plate (28); a second dampening layer (30); an inner plate (32). According to the invention, the intermediate plate (28) is positioned non-rigidly with respect to the support means (20). The invention likewise relates to a container (1) comprising at least one shielding wall (12) such as the one described above.Application to the field of transporting/storing nuclear materials.