Waterproof 48x48 Shower Pan, with Drain Flange Kit and CurbSHOWER BASEWaterproof Shower Base, the all in one solution that sets new standards. It can be installed easily, quickly and securely. The technology is highly efficient and all system components are perfectly adapted to each other. Key FeaturesPre sloped, waterproofed and designed to make tiled shower installations quicker and easier than traditional mud based installationsCan easily be cut down to size or extended using dry pack mortar