Wedi EcoBath 36" x 48" One-Step Shower Base Kit with Center Drain and Stainless Cover Fundo base with curb & 4 wall/curb integrated Passes ANSI Z124.1.2 and ICC PMG Certified Solid, pre-sloped surface Curb is sloped to showers inside and can carry up to 480 lbs/ft of weight once tiled Square, high quality stainless steel drain cover/frame