Shoe seal for tank floating roof

摘要

A shoe seal for effecting a vapor barrier between a lightweight internal floating roof and a tank wall of a tank includes a plurality of shoe sections (24); a plurality of hanger brackets (30) connected to perimeter sections of the lightweight internal floating roof; a plurality of braces (32) connected to corresponding hanger brackets and the floating roof for supporting the hanger brackets; a plurality of pivoting support arms (34) pivotally connected to corresponding hanger brackets and to corresponding upper portions of the shoe sections; a plurality of biasing members (36) connected to the internal floating roof and to lower portions of the shoe sections; and a vapor barrier fabric (38) connected between the shoe sections and the floating roof. IMAGE