Adjustable door assembly

An adjustable door assembly, comprising,

• a rigid door, having a first side wall spaced from a second side wall, and a first end wall spaced from a second end wall, and
• at least the first end wall including a cap member mounted to the first end wall, wherein the cap member includes a cap first end wall in adjacency to the first side wall and a cap second end wall in adjacency to the door second side wall, and the cap having a cap floor plate positioned in a spaced relationship above the door first end wall, and
• hinge means mounted to the door first end wall and to the floor plate for pivotally mounting the cap member relative to the door, and
• the floor plate includes a canted interior surface arranged in facing confronting relationship relative to the door first end wall, wherein the interior surface extends from the cap first end wall to the cap second end wall and is of a first thickness at the cap first end wall and a second thickness at the cap second end wall, wherein the second thickness is less than the first thickness, and the hinge means includes a bifurcated hinge web having a first hinge plate secured to the canted interior surface, and a hinge rod, with the hinge rod having a second plate hingedly mounted to the hinge rod, the hinge rod is orthogonally and slidably directed through the door first end wall.