Schluter KERDI-KERECK Preformed Waterproofing Outside Corners, 2-Pk are designed to provide a fully waterproof seal at the outside corners of KERDI, KERDI-BOARD, and DITRA assemblies. These seamless, preformed corners help prevent leaks and mold growth, making them an excellent choice for waterproofing applications in tiled showers and other wet areas. With a thin 4-mil thickness to minimize build-up, they a quick and easy installation process, ensuring a reliable waterproofing solution. These corners integrate ly into the Schluter®-Shower System and are used alongside KERDI membranes and boards for enhanced protection and durability. Model Number: KERECK/FA2