E. L. Mustee & Sons introduces the new Mustee 3648M (36”D x 48”W) & 3660M (36”D x 60”W) DURABASE shower floors, adding to the numerous sizes offered in the collection. With the growing popularity of larger showers in new and remodeled bathrooms, these two new sizes are an ideal choice for those who want elegance and durability in their personal shower space.