D6 1450 x 1000 x 22mm Stone Resin Wet Room Tray / McAlpine Waste for Tiled Floors. Tiled Floor Finishes including Mosaic, Stone & Porcelain Tiles. McAlpine Fast Flow Waste suitable for Tiled Floors Designed to sit flush with the floor, the Diamond Wet Room Tray is made from Stone Resin and can be covered with either slip resistant Vinyl Flooring or Tiles.