Noble Co. makes a preformed composite from durable expanded polystyrene that helps builders create the code-required ¼-inch-per-foot slope toward the center under a shower pan liner. Pro-Slope comes in 40-by-40-inch and 60-by-60-inch sizes and a 40-by-80-inch tub replacement size. Extensions are also available. The product can easily be cut using a utility knife and doesn’t require any mortar, mixing, or curing.
August 21, 2015