The west side was about 1/4" higher than at the middle of the threshold. Amazon.com: Kerdi Shower Pan Cement board is a mineral-based board, usually 30 inches by 60 inches, that is used as a lower, dimensionally stable surface for installing ceramic tile, porcelain tile, or stonework. Where might I find a copy of the 1983 RPG "Other Suns"? As you install the cement board over the lip of the Kerdi shower pan, there will be a joint that needs to be sealed. You really should just use kerdi membrane over everything in this case. I am a DIYer and tackling a bathroom remodel. It's not them. However, the cement board walls must be layered with a Kerdi membrane to prevent water or moisture from seeping through. The Schluter-KERDI-SHOWER-KIT is an all-inclusive package containing each of the integrated family of components required to create a maintenance-free, watertight shower assembly without a mortar bed. Use the correct adhesive and grout to install the shower pan and tile. http://www.schluter.com/schluter-us/en_US/Shower-System/KERDI-SHOWER-KIT/Schluter%C2%AE-KERDI-SHOWER-KIT/p/KERDI_SHOWER-KIT, New blog post from our CEO Prashanth: Community is the future of AI, Improving the copy in the close modal and post notices - 2023 edition. If your main sewer line is obstructed, youll need, If youve ever experienced a bathroom sink leak, you know how frustrating and damaging it can be. Be sure not to screw through the shower liner--if you need to screw low on the Kerdi board put a dwang (cross-block) in above the liner and screw to that. D Kerdi-Board-SN Shower Niche. The Fora platform includes forum software by XenForo. 304 STAINLESS SHOWER DRAIN: Premium anti-rust . You always consider the direction of water flow We don't want water flowing BEHIND the wall 6. The walls will be cement board and the drain will be kerdi pan. Tammy, all you need is a 2" overlap minimum. If your going to do the job do it right, and give professional advice pls. Making statements based on opinion; back them up with references or personal experience. Kerdi pan WILL work perfectly fine with cement board walls, but that assumes the walls are covered with Kerdi membrane.