Patent ID: 8856980

Claim:
A one-piece prefabricated shower pan consisting of: a horizontal floor area having at least one drain hole positioned substantially on a center portion thereof, the horizontal floor area being gradually inclined towards the at least one drain hole; a pair of opposing sidewalls extending upwardly from a peripheral edge of the horizontal floor area at a near 90 degree angle; a third sidewall extending upwardly from the peripheral edge of the horizontal floor area at a near 90 degree angle, the third sidewall being in contact with a back end of the pair of opposing sidewalls; a water dam extending upwardly from the at least one peripheral edge of the horizontal floor area, wherein the at least one drain hole has a circumference that allows for a conventional drain pipe to be inserted through it and a depression around the borders of the drain hole to allow a conventional drain pipe to be fastened to the horizontal floor area with the use of flanges, such that when the conventional drain pipe is fastened to the horizontal floor area, approximately one half to two inches of the conventional drain pipe extends above the horizontal floor area, and wherein there are no openings in the shower pan for water to escape, other than the drain.