Composeal Shower Pan. Have available cardboard, drywall or such to cover Composeal installation. Composeal is available in 4', 5', and 6' widths. If such a slope is not present in the subfloor, you must provide for it with a mortar mixture of sand and cement, or by using Pro-Slope available through your Composeal dealer. If using mortar, place a sheet of roofing paper or building felt over the sub-floor.
Place screeds at the proper height and slope, and pack the mortar in with a float.
Finish the sloped bed to the top level of the bottom drain flange. Composeal Shower Pan. Simply cut Pro-Slope to size and fit to drain. Measure the inside dimensions of the shower floor and add a minimum of nine inches for each wall. Be sure to allow enough material to extend up and over entire shower curb, including the front of the curb.