FLUID IMPERVIOUS LINING

摘要

A wall lining apparatus comprises a wall and at least one sheet of semi-rigid impervious material, wherein the at least one sheet of semi-rigid fluid impervious material is located to one side of the wall, and an interstitial space exists between opposing faces of said wall and said sheet of semi-rigid fluid impervious material. One embodiment of the apparatus comprises at least one sheet of semi-rigid fluid impervious material and three-dimensionally shaped components of the same fluid impervious material, the or each sheet and the shaped components being attached to each other.